Product details

Frequency (MHz) 60 Flash memory (kByte) 512 RAM (kByte) 32 Number of GPIOs 87 Features Hercules high-performance microcontroller Operating temperature range (°C) to SPI 3 Rating Catalog
Frequency (MHz) 60 Flash memory (kByte) 512 RAM (kByte) 32 Number of GPIOs 87 Features Hercules high-performance microcontroller Operating temperature range (°C) to SPI 3 Rating Catalog
LQFP (PGE) 144 484 mm² 22 x 22
  • High-Performance Static CMOS Technology
  • TMS470R1x 16/32-Bit RISC Core (ARM7TDMI™)
    • 24-MHz System Clock (60-MHz Pipeline Mode)
    • Independent 16/32-Bit Instruction Set
    • Open Architecture With Third-Party Support
    • Built-In Debug Module
    • Utilizes Big-Endian Format
  • Integrated Memory
    • 512K-Byte Program Flash
      • 2 Banks With 14 Contiguous Sectors
      • Internal State Machine for Programming and Erase
    • 32K-Byte Static RAM (SRAM)
  • 27 Dedicated General-Purpose Input/Output (GIO) Pins, 1 Input-Only GIO Pin, and 59 Additional Peripheral I/Os
  • Operating Features
    • Core Supply Voltage (VCC): 1.81 V - 2.05 V
    • I/O Supply Voltage (VCCIO): 3.0 V - 3.6 V
    • Low-Power Modes: STANDBY and HALT
    • Extended Industrial Temperature Range
  • 470+ System Module
    • 32-Bit Address Space Decoding
    • Bus Supervision for Memory and Peripherals
    • Analog Watchdog (AWD) Timer
    • Real-Time Interrupt (RTI)
    • System Integrity and Failure Detection
    • Interrupt Expansion Module (IEM)
  • 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
  • External Clock Prescale (ECP) Module
    • Programmable Low-Frequency External Clock (CLK)
  • Seven Communication Interfaces:
    • Three Serial Peripheral Interfaces (SPIs)
      • 255 Programmable Baud Rates
    • Two Serial Communications Interfaces (SCIs)
      • 224 Selectable Baud Rates
      • Asynchronous/Isosynchronous Modes
      • Two High-End CAN Controllers (HECCs)
      • 32-Mailbox Capacity Each
      • Fully Compliant With CAN Protocol, Version 2.0B
  • High-End Timer (HET)
    • 32 Programmable I/O Channels:
      • 24 High-Resolution Pins
      • 8 Standard-Resolution Pins
    • High-Resolution Share Feature (XOR)
    • High-End Timer RAM128-Instruction Capacity
  • 16-Channel 10-Bit Multi-Buffered ADC (MibADC)
    • 128-Word FIFO Buffer
    • Single- or Continuous-Conversion Modes
    • 1.55 µs Minimum Sample and Conversion Time
    • Calibration Mode and Self-Test Features
  • Eight External Interrupts
  • Flexible Interrupt Handling
  • On-Chip Scan-Base Emulation Logic, IEEE Standard 1149.1(1) (JTAG) Test-Access Port
  • 144-Pin Plastic Low-Profile Quad Flatpack (PGE Suffix)

(1) The test-access port is compatible with the IEEE Standard 1149.1-1990, IEEE Standard Test-Access Port and Boundary Scan Architecture specification. Boundary scan is not supported on this device.
(2) The TMS470R1B512 device name will be referred to as either the full device name or as B512 throughout the remainder of this document.

ARM7TDMI is a trademark of Advanced RISC Machines Limited (ARM).
All other trademarks are the property of their respective owners.

  • High-Performance Static CMOS Technology
  • TMS470R1x 16/32-Bit RISC Core (ARM7TDMI™)
    • 24-MHz System Clock (60-MHz Pipeline Mode)
    • Independent 16/32-Bit Instruction Set
    • Open Architecture With Third-Party Support
    • Built-In Debug Module
    • Utilizes Big-Endian Format
  • Integrated Memory
    • 512K-Byte Program Flash
      • 2 Banks With 14 Contiguous Sectors
      • Internal State Machine for Programming and Erase
    • 32K-Byte Static RAM (SRAM)
  • 27 Dedicated General-Purpose Input/Output (GIO) Pins, 1 Input-Only GIO Pin, and 59 Additional Peripheral I/Os
  • Operating Features
    • Core Supply Voltage (VCC): 1.81 V - 2.05 V
    • I/O Supply Voltage (VCCIO): 3.0 V - 3.6 V
    • Low-Power Modes: STANDBY and HALT
    • Extended Industrial Temperature Range
  • 470+ System Module
    • 32-Bit Address Space Decoding
    • Bus Supervision for Memory and Peripherals
    • Analog Watchdog (AWD) Timer
    • Real-Time Interrupt (RTI)
    • System Integrity and Failure Detection
    • Interrupt Expansion Module (IEM)
  • 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
  • External Clock Prescale (ECP) Module
    • Programmable Low-Frequency External Clock (CLK)
  • Seven Communication Interfaces:
    • Three Serial Peripheral Interfaces (SPIs)
      • 255 Programmable Baud Rates
    • Two Serial Communications Interfaces (SCIs)
      • 224 Selectable Baud Rates
      • Asynchronous/Isosynchronous Modes
      • Two High-End CAN Controllers (HECCs)
      • 32-Mailbox Capacity Each
      • Fully Compliant With CAN Protocol, Version 2.0B
  • High-End Timer (HET)
    • 32 Programmable I/O Channels:
      • 24 High-Resolution Pins
      • 8 Standard-Resolution Pins
    • High-Resolution Share Feature (XOR)
    • High-End Timer RAM128-Instruction Capacity
  • 16-Channel 10-Bit Multi-Buffered ADC (MibADC)
    • 128-Word FIFO Buffer
    • Single- or Continuous-Conversion Modes
    • 1.55 µs Minimum Sample and Conversion Time
    • Calibration Mode and Self-Test Features
  • Eight External Interrupts
  • Flexible Interrupt Handling
  • On-Chip Scan-Base Emulation Logic, IEEE Standard 1149.1(1) (JTAG) Test-Access Port
  • 144-Pin Plastic Low-Profile Quad Flatpack (PGE Suffix)

(1) The test-access port is compatible with the IEEE Standard 1149.1-1990, IEEE Standard Test-Access Port and Boundary Scan Architecture specification. Boundary scan is not supported on this device.
(2) The TMS470R1B512 device name will be referred to as either the full device name or as B512 throughout the remainder of this document.

ARM7TDMI is a trademark of Advanced RISC Machines Limited (ARM).
All other trademarks are the property of their respective owners.

The TMS470R1B512(2) device is a member of the Texas Instruments (TI) TMS470R1x family of general-purpose16/32-bit reduced instruction set computer (RISC) microcontrollers. The B512 microcontroller offers high performance utilizing 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 B512 utilizes the big-endian format, where the most significant byte of a word is stored at the lowest numbered byte and the least significant byte at the highest numbered byte.

High-end embedded control applications demand more performance from their controllers while maintaining low costs. The B512 RISC core architecture offers solutions to these performance and cost demands while maintaining low power consumption.

The B512 device contains the following:

  • ARM7TDMI 16/32-Bit RISC CPU
  • TMS470R1x system module (SYS) with 470+ enhancements [including an interrupt expansion module (IEM) and a 16-channel direct-memory access (DMA) controller]
  • 512K-byte flash
  • 32K-byte SRAM
  • Zero-pin phase-locked loop (ZPLL) clock module
  • Analog watchdog (AWD) timer
  • Real-time interrupt ( RTI) module
  • Three serial peripheral interface (SPI) modules
  • Two serial communications interface (SCI) modules
  • Two high-end CAN controller (HECC) modules
  • 10-bit multi-buffered analog-to-digital converter (MibADC) with 16 input channels
  • High-end timer (HET) controlling 32 I/Os
  • External clock prescale (ECP) module
  • Up to 86 I/O pins and 1 input-only pin

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

  • Address decoding
  • Memory protection
  • Memory and peripherals bus supervision
  • Reset and abort exception management
  • Expanded interrupt capability with prioritization for all internal interrupt sources
  • Device clock control
  • Direct-memory access (DMA) and control
  • Parallel signature analysis (PSA).

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 (literature number SPNU189). For a more detailed functional description of the IEM module, see the TMS470R1x Interrupt Expansion Module (IEM) Reference Guide (literature number SPNU211). For a more detailed functional description of the DMA module, see the TMS470R1x Direct Memory Access (DMA) Controller Reference Guide (literature number SPNU194).

The B512 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. When in pipeline mode, the flash operates with a system clock frequency of up to 60 MHz. For more detailed information on the F05 devices flash, see the F05 Flash section of this data sheet and the TMS470R1x F05 Flash Reference Guide (literature number SPNU213).

The B512 device has seven communication interfaces: three SPIs, two SCIs, and two HECCs. 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 real-time control with robust communication rates of up to 1 megabit per second (Mbps). The HECC is ideal for applications operating in noisy and harsh environments (e.g., industrial fields) that require reliable serial communication or multiplexed wiring. For more detailed functional information on the SPI, SCI, and HECC peripherals, see the specific reference guides (literature numbers SPNU195, SPNU196, and SPNU197, respectively).

The HET is an advanced intelligent timer that provides sophisticated timing functions for real-time 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. For more detailed functional information on the HET, see the TMS470R1x High-End Timer (HET) Reference Guide (literature number SPNU199).

The B512 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 (literature number SPNU199).

The B512 device has a 10-bit-resolution, 16-channel sample-and-hold MibADC. 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 (literature number SPNU206).

The zero-pin phase-locked loop (ZPLL) clock module contains a phase-locked loop, a clock-monitor circuit, a clock-enable circuit, and a prescaler (with prescale values of 1-8). 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), real-time interrupt clock (RTICLK), CPU clock (MCLK), and peripheral interface clock (ICLK) to all other B512 device modules. For more detailed functional information on the ZPLL, see the TMS470R1x Zero-Pin Phase-Locked Loop (ZPLL) Clock Module Reference Guide (literature number SPNU212).

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

The B512 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 (literature number SPNU202).

The TMS470R1B512(2) device is a member of the Texas Instruments (TI) TMS470R1x family of general-purpose16/32-bit reduced instruction set computer (RISC) microcontrollers. The B512 microcontroller offers high performance utilizing 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 B512 utilizes the big-endian format, where the most significant byte of a word is stored at the lowest numbered byte and the least significant byte at the highest numbered byte.

High-end embedded control applications demand more performance from their controllers while maintaining low costs. The B512 RISC core architecture offers solutions to these performance and cost demands while maintaining low power consumption.

The B512 device contains the following:

  • ARM7TDMI 16/32-Bit RISC CPU
  • TMS470R1x system module (SYS) with 470+ enhancements [including an interrupt expansion module (IEM) and a 16-channel direct-memory access (DMA) controller]
  • 512K-byte flash
  • 32K-byte SRAM
  • Zero-pin phase-locked loop (ZPLL) clock module
  • Analog watchdog (AWD) timer
  • Real-time interrupt ( RTI) module
  • Three serial peripheral interface (SPI) modules
  • Two serial communications interface (SCI) modules
  • Two high-end CAN controller (HECC) modules
  • 10-bit multi-buffered analog-to-digital converter (MibADC) with 16 input channels
  • High-end timer (HET) controlling 32 I/Os
  • External clock prescale (ECP) module
  • Up to 86 I/O pins and 1 input-only pin

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

  • Address decoding
  • Memory protection
  • Memory and peripherals bus supervision
  • Reset and abort exception management
  • Expanded interrupt capability with prioritization for all internal interrupt sources
  • Device clock control
  • Direct-memory access (DMA) and control
  • Parallel signature analysis (PSA).

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 (literature number SPNU189). For a more detailed functional description of the IEM module, see the TMS470R1x Interrupt Expansion Module (IEM) Reference Guide (literature number SPNU211). For a more detailed functional description of the DMA module, see the TMS470R1x Direct Memory Access (DMA) Controller Reference Guide (literature number SPNU194).

The B512 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. When in pipeline mode, the flash operates with a system clock frequency of up to 60 MHz. For more detailed information on the F05 devices flash, see the F05 Flash section of this data sheet and the TMS470R1x F05 Flash Reference Guide (literature number SPNU213).

The B512 device has seven communication interfaces: three SPIs, two SCIs, and two HECCs. 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 real-time control with robust communication rates of up to 1 megabit per second (Mbps). The HECC is ideal for applications operating in noisy and harsh environments (e.g., industrial fields) that require reliable serial communication or multiplexed wiring. For more detailed functional information on the SPI, SCI, and HECC peripherals, see the specific reference guides (literature numbers SPNU195, SPNU196, and SPNU197, respectively).

The HET is an advanced intelligent timer that provides sophisticated timing functions for real-time 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. For more detailed functional information on the HET, see the TMS470R1x High-End Timer (HET) Reference Guide (literature number SPNU199).

The B512 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 (literature number SPNU199).

The B512 device has a 10-bit-resolution, 16-channel sample-and-hold MibADC. 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 (literature number SPNU206).

The zero-pin phase-locked loop (ZPLL) clock module contains a phase-locked loop, a clock-monitor circuit, a clock-enable circuit, and a prescaler (with prescale values of 1-8). 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), real-time interrupt clock (RTICLK), CPU clock (MCLK), and peripheral interface clock (ICLK) to all other B512 device modules. For more detailed functional information on the ZPLL, see the TMS470R1x Zero-Pin Phase-Locked Loop (ZPLL) Clock Module Reference Guide (literature number SPNU212).

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

The B512 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 (literature number SPNU202).

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Type Title Date
* Data sheet TMS470R1B512 datasheet (Rev. A) 01 Aug 2006
* Errata TMS470R1B512 TMS470 Microcontroller Silicon Errata 30 Jun 2005

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