High Temperature ARM7TDMI™ Flash Microcontroller

SM470R1B1M-HT

ACTIVE

Product details

Product type Microcontrollers Category Known Good Die Rating High Temp
Product type Microcontrollers Category Known Good Die Rating High Temp
CFP (HKP) 84 191 mm² 13.81 x 13.81 CFP (TBAR) (HFQ) 84 190 mm² 13.8 x 13.8 LQFP (PGE) 144 484 mm² 22 x 22
  • High-Performance Static CMOS Technology
  • SM470R1x 16-/32-Bit RISC Core (ARM7TDMI™)
    • 60-MHz System Clock (Pipeline Mode)
    • Independent 16-/32-Bit Instruction Set
    • Open Architecture With Third-Party Support
    • Built-In Debug Module
  • Integrated Memory
    • 1MB Program Flash
      • Two Banks With 16 Contiguous Sectors
    • 64KB Static RAM (SRAM)
    • Memory Security Module (MSM)
    • JTAG Security Module
  • Operating Features
    • Low-Power Modes: STANDBY and HALT
    • Industrial Temperature Range
  • 470+ System Module
    • 32-Bit Address Space Decoding
    • Bus Supervision for Memory/Peripherals
    • Digital Watchdog (DWD) Timer
    • Analog Watchdog (AWD) Timer
    • Enhanced Real-Time Interrupt (RTI)
    • Interrupt Expansion Module (IEM)
    • System Integrity and Failure Detection
    • ICE Breaker
  • Direct Memory Access (DMA) Controller
    • 32 Control Packets and 16 Channels
  • Zero-Pin Phase-Locked Loop (ZPLL)-Based Clock
    Module With Prescaler
    • Multiply-by-4 or -8 Internal ZPLL Option
    • ZPLL Bypass Mode
  • Twelve Communication Interfaces:
    • Two Serial Peripheral Interfaces (SPIs)
    • 255 Programmable Baud Rates
    • Three Serial Communication Interfaces (SCIs)
      • 224 Selectable Baud Rates
      • Asynchronous/Isosynchronous Modes
    • Two High-End CAN Controllers (HECC)
      • 32-Mailbox Capacity
      • Fully Compliant With CAN Protocol, Version
        2.0B
    • Five Inter-Integrated Circuit (I2C) Modules
      • Multi-Master and Slave Interfaces
      • Up to 400 Kbps (Fast Mode)
      • 7- and 10-Bit Address Capability
  • High-End Timer Lite (HET)
    • 12 Programmable I/O Channels:
      • 12 High-Resolution Pins
    • High-Resolution Share Feature (XOR)
    • High-End Timer RAM
      • 64-Instruction Capacity
  • External Clock Prescale (ECP) Module
    • Programmable Low-Frequency External Clock
      (CLK)
  • 12-Channel, 10-Bit Multi-Buffered ADC (MibADC)
    • 64-Word FIFO Buffer
    • Single- or Continuous-Conversion Modes
    • 1.55-µs Minimum Sample and Conversion Time
    • Calibration Mode and Self-Test Features
  • Flexible Interrupt Handling
  • Expansion Bus Module (EBM)
    • Supports 8- and 16-Bit Expansion Bus Memory
      Interface Mappings
    • 42 I/O Expansion Bus Pins
  • 46 Dedicated General-Purpose I/O (GIO) Pins and
    47 Additional Peripheral I/Os
  • Sixteen External Interrupts
  • On-Chip Scan-Base Emulation Logic, IEEE
    Standard 1149.1(1) (JTAG) Test-Access Port
  • Available in KGD, HFQ, HKP, and PGE Packages
  • High-Performance Static CMOS Technology
  • SM470R1x 16-/32-Bit RISC Core (ARM7TDMI™)
    • 60-MHz System Clock (Pipeline Mode)
    • Independent 16-/32-Bit Instruction Set
    • Open Architecture With Third-Party Support
    • Built-In Debug Module
  • Integrated Memory
    • 1MB Program Flash
      • Two Banks With 16 Contiguous Sectors
    • 64KB Static RAM (SRAM)
    • Memory Security Module (MSM)
    • JTAG Security Module
  • Operating Features
    • Low-Power Modes: STANDBY and HALT
    • Industrial Temperature Range
  • 470+ System Module
    • 32-Bit Address Space Decoding
    • Bus Supervision for Memory/Peripherals
    • Digital Watchdog (DWD) Timer
    • Analog Watchdog (AWD) Timer
    • Enhanced Real-Time Interrupt (RTI)
    • Interrupt Expansion Module (IEM)
    • System Integrity and Failure Detection
    • ICE Breaker
  • Direct Memory Access (DMA) Controller
    • 32 Control Packets and 16 Channels
  • Zero-Pin Phase-Locked Loop (ZPLL)-Based Clock
    Module With Prescaler
    • Multiply-by-4 or -8 Internal ZPLL Option
    • ZPLL Bypass Mode
  • Twelve Communication Interfaces:
    • Two Serial Peripheral Interfaces (SPIs)
    • 255 Programmable Baud Rates
    • Three Serial Communication Interfaces (SCIs)
      • 224 Selectable Baud Rates
      • Asynchronous/Isosynchronous Modes
    • Two High-End CAN Controllers (HECC)
      • 32-Mailbox Capacity
      • Fully Compliant With CAN Protocol, Version
        2.0B
    • Five Inter-Integrated Circuit (I2C) Modules
      • Multi-Master and Slave Interfaces
      • Up to 400 Kbps (Fast Mode)
      • 7- and 10-Bit Address Capability
  • High-End Timer Lite (HET)
    • 12 Programmable I/O Channels:
      • 12 High-Resolution Pins
    • High-Resolution Share Feature (XOR)
    • High-End Timer RAM
      • 64-Instruction Capacity
  • External Clock Prescale (ECP) Module
    • Programmable Low-Frequency External Clock
      (CLK)
  • 12-Channel, 10-Bit Multi-Buffered ADC (MibADC)
    • 64-Word FIFO Buffer
    • Single- or Continuous-Conversion Modes
    • 1.55-µs Minimum Sample and Conversion Time
    • Calibration Mode and Self-Test Features
  • Flexible Interrupt Handling
  • Expansion Bus Module (EBM)
    • Supports 8- and 16-Bit Expansion Bus Memory
      Interface Mappings
    • 42 I/O Expansion Bus Pins
  • 46 Dedicated General-Purpose I/O (GIO) Pins and
    47 Additional Peripheral I/Os
  • Sixteen External Interrupts
  • On-Chip Scan-Base Emulation Logic, IEEE
    Standard 1149.1(1) (JTAG) Test-Access Port
  • Available in KGD, HFQ, HKP, and PGE Packages

The SM470R1B1M(3) devices are members of the Texas Instruments SM470R1x family of general-purpose 16-/32-bit reduced instruction set computer (RISC) microcontrollers. The B1M microcontroller offers high performance using the high-speed ARM7TDMI 16-/32-bit RISC central processing unit (CPU), resulting in a high instruction throughput while maintaining greater code efficiency. The ARM7TDMI 16-/32-bit RISC CPU views memory as a linear collection of bytes numbered upwards from zero. The SM470R1B1M uses the big-endian format where the most significant byte of a word is stored at the lowest numbered byte and the least significant byte of a word is stored at the highest numbered byte.

High-end embedded control applications demand more performance from their controllers while maintaining low costs. The B1M RISC core architecture offers solutions to these performance and cost demands while maintaining low power consumption.

The B1M devices contain the following:

  • ARM7TDMI 16-/32-bit RISC CPU
  • SM470R1x system module (SYS) with 470+ enhancements
  • 1MB flash
  • 64KB SRAM
  • ZPLL clock module
  • DWD timer
  • AWD timer
  • Enhanced RTI module
  • IEM
  • MSM
  • JTAG security module
  • Two SPI modules
  • Three SCI modules
  • Two HECC
  • Five I2C modules
  • 10-bit MibADC, with 12 input channels
  • HET controlling 12 I/Os
  • ECP
  • EBM
  • Up to 93 I/O pins

The functions performed by the 470+ system module (SYS) include:

  • Address decoding
  • Memory protection
  • Memory and peripherals bus supervision
  • Reset and abort exception management
  • Prioritization for all internal interrupt sources
  • Device clock control
  • Parallel signature analysis (PSA)

The enhanced RTI module on the B1M has the option to be driven by the oscillator clock. The DWD is a 25-bit resettable decrementing counter that provides a system reset when the watchdog counter expires. This data sheet includes device-specific information such as memory and peripheral select assignment, interrupt priority, and a device memory map. For a more detailed functional description of the SYS module, see the TMS470R1x System Module Reference Guide (SPNU189).

The B1M memory includes general-purpose SRAM supporting single-cycle read/write accesses in byte, half-word, and word modes.

The flash memory on this device is a nonvolatile, electrically erasable, and programmable memory implemented with a 32-bit-wide data bus interface. The flash operates with a system clock frequency of up to 24 MHz or 30 MHz, depending on the input voltage. When in pipeline mode, the flash operates with a system clock frequency of up to 48 MHz or 60 MHz, depending on the input voltage. For more detailed information on the flash, see 8.2.1.4.

The MSM and the JTAG security module prevent unauthorized access and visibility to on-chip memory, thereby preventing reverse engineering or manipulation of proprietary code.

The B1M device has twelve communication interfaces: two SPIs, three SCIs, two HECCs, and five I2Cs. The SPI provides a convenient method of serial interaction for high-speed communications between similar shift-register type devices. The SCI is a full-duplex, serial I/O interface intended for asynchronous communication between the CPU and other peripherals using the standard non-return-to-zero (NRZ) format. The HECC uses a serial, multimaster communication protocol that efficiently supports distributed realtime control with robust communication rates of up to 1 Mbps. These CAN peripherals are ideal for applications operating in noisy and harsh environments (for example, industrial fields) that require reliable serial communication or multiplexed wiring. The I2C module is a multimaster communication module providing an interface between the B1M microcontroller and an I2C-compatible device through the I2C serial bus. The I2C supports both 100 Kbps and 400 Kbps speeds. For more detailed functional information on the SPI, SCI, and CAN peripherals, see the specific reference guides (SPNU195, SPNU196, and SPNU197). For more detailed functional information on the I2C, see the TMS470R1x Inter- Integrated Circuit (I2C) Reference Guide (SPNU223).

The HET is an advanced intelligent timer that provides sophisticated timing functions for realtime applications. The timer is software-controlled, using a reduced instruction set, with a specialized timer micromachine and an attached I/O port. The HET can be used for compare, capture, or general-purpose I/O. It is especially well-suited for applications requiring multiple sensor information and drive actuators with complex and accurate time pulses. The HET used in this device is the high-end timer lite. It has fewer I/Os than the usual 32 in a standard HET. For more detailed functional information on the HET, see the TMS470R1x High-End Timer (HET) Reference Guide (SPNU199).

The B1M HET peripheral contains the XOR-share feature. This feature allows two adjacent HET high-resolution channels to be XORed together, making it possible to output smaller pulses than a standard HET. For more detailed information on the HET XOR-share feature, see the TMS470R1x High-End Timer (HET) Reference Guide (SPNU199).

The B1M device has one 10-bit-resolution, sample-and-hold MibADC. Each of the MibADC channels can be converted individually or can be grouped by software for sequential conversion sequences. There are three separate groupings, two of which can be triggered by an external event. Each sequence can be converted once when triggered or configured for continuous conversion mode. For more detailed functional information on the MibADC, see the TMS470R1x Multi-Buffered Analog-to-Digital Converter (MibADC) Reference Guide (SPNU206).

The ZPLL clock module contains a phase-locked loop, a clock-monitor circuit, a clock-enable circuit, and a prescaler (with prescale values of 1 to 8). The function of the ZPLL is to multiply the external frequency reference to a higher frequency for internal use. The ZPLL provides ACLK to the system (SYS) module. The SYS module subsequently provides system clock (SYSCLK), realtime interrupt clock (RTICLK), CPU clock (MCLK), and peripheral interface clock (ICLK) to all other B1M device modules. For more detailed functional information on the ZPLL, see the TMS470R1x Zero-Pin Phase-Locked Loop (ZPLL) Clock Module Reference Guide (SPNU212).

ACLK should not be confused with the MibADC internal clock, ADCLK. ACLK is the continuous system clock from an external resonator/crystal reference.

The EBM is a standalone module that supports the multiplexing of the GIO functions and the expansion bus interface. For more information on the EBM, see the TMS470R1x Expansion Bus Module (EBM) Reference Guide (SPNU222).

The B1M device also has an external clock prescaler (ECP) module that when enabled, outputs a continuous external clock (ECLK) on a specified GIO pin. The ECLK frequency is a user-programmable ratio of the peripheral interface clock (ICLK) frequency. For more detailed functional information on the ECP, see the TMS470R1x External Clock Prescaler (ECP) Reference Guide (SPNU202).

The SM470R1B1M(3) devices are members of the Texas Instruments SM470R1x family of general-purpose 16-/32-bit reduced instruction set computer (RISC) microcontrollers. The B1M microcontroller offers high performance using the high-speed ARM7TDMI 16-/32-bit RISC central processing unit (CPU), resulting in a high instruction throughput while maintaining greater code efficiency. The ARM7TDMI 16-/32-bit RISC CPU views memory as a linear collection of bytes numbered upwards from zero. The SM470R1B1M uses the big-endian format where the most significant byte of a word is stored at the lowest numbered byte and the least significant byte of a word is stored at the highest numbered byte.

High-end embedded control applications demand more performance from their controllers while maintaining low costs. The B1M RISC core architecture offers solutions to these performance and cost demands while maintaining low power consumption.

The B1M devices contain the following:

  • ARM7TDMI 16-/32-bit RISC CPU
  • SM470R1x system module (SYS) with 470+ enhancements
  • 1MB flash
  • 64KB SRAM
  • ZPLL clock module
  • DWD timer
  • AWD timer
  • Enhanced RTI module
  • IEM
  • MSM
  • JTAG security module
  • Two SPI modules
  • Three SCI modules
  • Two HECC
  • Five I2C modules
  • 10-bit MibADC, with 12 input channels
  • HET controlling 12 I/Os
  • ECP
  • EBM
  • Up to 93 I/O pins

The functions performed by the 470+ system module (SYS) include:

  • Address decoding
  • Memory protection
  • Memory and peripherals bus supervision
  • Reset and abort exception management
  • Prioritization for all internal interrupt sources
  • Device clock control
  • Parallel signature analysis (PSA)

The enhanced RTI module on the B1M has the option to be driven by the oscillator clock. The DWD is a 25-bit resettable decrementing counter that provides a system reset when the watchdog counter expires. This data sheet includes device-specific information such as memory and peripheral select assignment, interrupt priority, and a device memory map. For a more detailed functional description of the SYS module, see the TMS470R1x System Module Reference Guide (SPNU189).

The B1M memory includes general-purpose SRAM supporting single-cycle read/write accesses in byte, half-word, and word modes.

The flash memory on this device is a nonvolatile, electrically erasable, and programmable memory implemented with a 32-bit-wide data bus interface. The flash operates with a system clock frequency of up to 24 MHz or 30 MHz, depending on the input voltage. When in pipeline mode, the flash operates with a system clock frequency of up to 48 MHz or 60 MHz, depending on the input voltage. For more detailed information on the flash, see 8.2.1.4.

The MSM and the JTAG security module prevent unauthorized access and visibility to on-chip memory, thereby preventing reverse engineering or manipulation of proprietary code.

The B1M device has twelve communication interfaces: two SPIs, three SCIs, two HECCs, and five I2Cs. The SPI provides a convenient method of serial interaction for high-speed communications between similar shift-register type devices. The SCI is a full-duplex, serial I/O interface intended for asynchronous communication between the CPU and other peripherals using the standard non-return-to-zero (NRZ) format. The HECC uses a serial, multimaster communication protocol that efficiently supports distributed realtime control with robust communication rates of up to 1 Mbps. These CAN peripherals are ideal for applications operating in noisy and harsh environments (for example, industrial fields) that require reliable serial communication or multiplexed wiring. The I2C module is a multimaster communication module providing an interface between the B1M microcontroller and an I2C-compatible device through the I2C serial bus. The I2C supports both 100 Kbps and 400 Kbps speeds. For more detailed functional information on the SPI, SCI, and CAN peripherals, see the specific reference guides (SPNU195, SPNU196, and SPNU197). For more detailed functional information on the I2C, see the TMS470R1x Inter- Integrated Circuit (I2C) Reference Guide (SPNU223).

The HET is an advanced intelligent timer that provides sophisticated timing functions for realtime applications. The timer is software-controlled, using a reduced instruction set, with a specialized timer micromachine and an attached I/O port. The HET can be used for compare, capture, or general-purpose I/O. It is especially well-suited for applications requiring multiple sensor information and drive actuators with complex and accurate time pulses. The HET used in this device is the high-end timer lite. It has fewer I/Os than the usual 32 in a standard HET. For more detailed functional information on the HET, see the TMS470R1x High-End Timer (HET) Reference Guide (SPNU199).

The B1M HET peripheral contains the XOR-share feature. This feature allows two adjacent HET high-resolution channels to be XORed together, making it possible to output smaller pulses than a standard HET. For more detailed information on the HET XOR-share feature, see the TMS470R1x High-End Timer (HET) Reference Guide (SPNU199).

The B1M device has one 10-bit-resolution, sample-and-hold MibADC. Each of the MibADC channels can be converted individually or can be grouped by software for sequential conversion sequences. There are three separate groupings, two of which can be triggered by an external event. Each sequence can be converted once when triggered or configured for continuous conversion mode. For more detailed functional information on the MibADC, see the TMS470R1x Multi-Buffered Analog-to-Digital Converter (MibADC) Reference Guide (SPNU206).

The ZPLL clock module contains a phase-locked loop, a clock-monitor circuit, a clock-enable circuit, and a prescaler (with prescale values of 1 to 8). The function of the ZPLL is to multiply the external frequency reference to a higher frequency for internal use. The ZPLL provides ACLK to the system (SYS) module. The SYS module subsequently provides system clock (SYSCLK), realtime interrupt clock (RTICLK), CPU clock (MCLK), and peripheral interface clock (ICLK) to all other B1M device modules. For more detailed functional information on the ZPLL, see the TMS470R1x Zero-Pin Phase-Locked Loop (ZPLL) Clock Module Reference Guide (SPNU212).

ACLK should not be confused with the MibADC internal clock, ADCLK. ACLK is the continuous system clock from an external resonator/crystal reference.

The EBM is a standalone module that supports the multiplexing of the GIO functions and the expansion bus interface. For more information on the EBM, see the TMS470R1x Expansion Bus Module (EBM) Reference Guide (SPNU222).

The B1M device also has an external clock prescaler (ECP) module that when enabled, outputs a continuous external clock (ECLK) on a specified GIO pin. The ECLK frequency is a user-programmable ratio of the peripheral interface clock (ICLK) frequency. For more detailed functional information on the ECP, see the TMS470R1x External Clock Prescaler (ECP) Reference Guide (SPNU202).

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Technical documentation

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Type Title Date
* Data sheet SM470R1B1M-HT 16-/32-Bit RISC Flash Microcontroller datasheet (Rev. I) 16 Jun 2015
* Errata TMS470R1B1M TMS470 Microcontrollers Silicon Errata 12 Sep 2005
* Radiation & reliability report SM470R1B1M-HT Reliability Report 08 Nov 2013
User guide ARM Assembly Language Tools v20.2.0.LTS User's Guide (Rev. Y) 04 Feb 2020
User guide ARM Optimizing C/C++ Compiler v20.2.0.LTS User's Guide (Rev. V) 04 Feb 2020
User guide ARM Assembly Language Tools v19.6.0.STS User's Guide (Rev. X) 03 Jun 2019
User guide ARM Optimizing C/C++ Compiler v19.6.0.STS User's Guide (Rev. U) 03 Jun 2019
User guide ARM Assembly Language Tools v18.12.0.LTS User's Guide (Rev. W) 19 Nov 2018
User guide ARM Optimizing C/C++ Compiler v18.12.0.LTS User's Guide (Rev. T) 19 Nov 2018
User guide ARM Assembly Language Tools v18.1.0.LTS User's Guide (Rev. U) 16 Jan 2018
User guide ARM Optimizing C/C++ Compiler v18.1.0.LTS User's Guide (Rev. R) 16 Jan 2018
User guide ARM Assembly Language Tools v17.9.0.STS User's Guide (Rev. T) 30 Sep 2017
User guide ARM Optimizing C/C++ Compiler v17.9.0.STS User's Guide (Rev. Q) 30 Sep 2017
User guide ARM Assembly Language Tools v17.6.0.STS User's Guide (Rev. S) 21 Jun 2017
User guide ARM Optimizing C/C++ Compiler v17.6.0.STS User's Guide (Rev. P) 21 Jun 2017
User guide ARM Assembly Language Tools v16.9.0.LTS User's Guide (Rev. P) 30 Apr 2016
User guide ARM Optimizing C/C++ Compiler v16.9.0.LTS User's Guide (Rev. M) 30 Apr 2016
User guide Harsh Environment Acquisition Terminal (H.E.A.T.) System Evaluation Kit (Rev. D) 24 Jul 2015
User guide ARM Assembly Language Tools v5.2 User's Guide (Rev. M) 05 Nov 2014
User guide ARM Optimizing C/C++ Compiler v5.2 User's Guide (Rev. J) 05 Nov 2014
User guide TMS470R1x Expansion Bus Module (EBM) Reference Guide (Rev. C) 21 Aug 2009
Application note TMS470 Expansion Bus Module Example 20 Dec 2006
User guide TMS470R1x Memory Security Module (MSM) Reference Guide 31 Oct 2005
User guide TMDS-FET470R1B1M IAR Kickstart Development Kit Getting Started Guide 28 Oct 2005
User guide TMS470 Peripherals Overview Reference Guide 22 Oct 2005
User guide TMS470R1x Multi-Buffered Analog-to-Digital (MibADC) Reference Guide (Rev. C) 30 Sep 2005
User guide TMS470R1x Serial Peripheral Interface (SPI) Reference Guide (Rev. E) 30 Sep 2005
User guide TMS470R1x Controller Area Network (CAN) Reference Guide (Rev. E) 30 Jul 2005
User guide TMS470R1x Inter-Integrated Circuit (I2C) Reference Guide (Rev. C) 11 Feb 2005
User guide TMS470R1x General-Purpose Input/Output (GIO) Reference Guide (Rev. D) 31 Jan 2005
User guide TMS470R1x Class II Serial Interface A (C2SIa) Reference Guide (Rev. B) 01 Nov 2004
User guide TMS470R1x Class II Serial Interface B (C2SIb) Reference Guide (Rev. B) 01 Nov 2004
User guide TMS470R1x External Clock Prescale (ECP) Reference Guide (Rev. B) 01 Nov 2004
User guide TMS470R1x System Module Reference Guide (Rev. H) 01 Nov 2004
User guide TMS470R1x Zero-Pin Phase-Locked Loop (ZPLL) Clock Module Reference Guide (Rev. B) 01 Nov 2004
User guide TMS470R1x High-End Timer (HET) Reference Guide (Rev. D) 30 Jul 2004
User guide TMS470R1x Digital Watchdog Timer Reference Guide 20 Jul 2004
User guide TMS470R1x Direct Memory Access (DMA) Controller Reference Guide 16 Nov 2002
User guide TMS470R1x Serial Communication Interface (SCI) Reference Guide (Rev. A) 30 Oct 2002
User guide TMS470R1x Interrupt Expansion Module (IEM) Reference Guide (Rev. A) 16 Sep 2002

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Driver or library

SM470R1B1M-HT CAN SPI Driver

SPNC006.ZIP (1042 KB)
Driver or library

Software Peripheral Drivers (SPD)

SPNC035.ZIP (2062 KB)
GUI for evaluation module (EVM)

HEATEVM GUI Software (Rev. A)

SLAC498A.ZIP (21 KB)
Software programming tool

Flash API Modules (Rev. B)

SPNC031B.ZIP (830 KB)
Reference designs

TIDA-00002 — Harsh Environment Acquisition Terminal (HEAT) EVM Platform for High Temperature Applications

The HEATEVM is a MCM intended to provide a high temperature platform for signal conditioning and processor evaluation. The module consists of a complete chain of components designed to withstand extreme operating temperatures up to 200 °C. The PCB is made with polymide material also suited for (...)
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CFP (HFQ) 84 View options
CFP (HKP) 84 View options
LQFP (PGE) 144 View options

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  • Ongoing reliability monitoring

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