Packaging information
| Package | Pins NFBGA (ZCA) | 113 |
| Operating temperature range (°C) -40 to 125 |
| Package qty | Carrier 2,500 | LARGE T&R |
Features for the MSP430F5438A-ET
- Extended temperature version -ET uses silicon revision H
- Low supply voltage range: 3.6 V down to 1.8 V
- Ultralow power consumption
- Active mode (AM): all system clocks active 230 µA/MHz at 8 MHz, 3.0 V, flash program execution (typical) 110 µA/MHz at 8 MHz, 3.0 V, RAM program execution (typical)
- Standby mode (LPM3): real-time clock with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wake-up: 1.7 µA at 2.2 V, 2.1 µA at 3.0 V (typical) low-power oscillator (VLO), general-purpose counter, watchdog, and supply supervisor operational, full RAM retention, fast wake-up: 1.2 µA at 3.0 V (typical)
- Off mode (LPM4): full RAM retention, supply supervisor operational, fast wake-up: 1.2 µA at 3.0 V (typical)
- Shutdown mode (LPM4.5): 0.1 µA at 3.0 V (typical)
- Wake-up from standby mode in 3.5 µs (typical)
- 16-bit RISC architecture
- Extended memory
- Up to 25-MHz system clock
- Flexible power management system
- Fully integrated LDO with programmable regulated core supply voltage
- Supply voltage supervision, monitoring, and brownout
- Unified clock system
- FLL control loop for frequency stabilization
- Low-power low-frequency internal clock source (VLO)
- Low-frequency trimmed internal reference source (REFO)
- 32-kHz crystals
- High-frequency crystals up to 32 MHz (1)
- 16-bit timer TA0, Timer_A with five capture/compare registers
- 16-bit timer TA1, Timer_A with three capture/compare registers
- 16-bit timer TB0, Timer_B with seven capture/compare shadow registers
- Up to four universal serial communication interfaces
- USCI_A0, USCI_A1, USCI_A2, and USCI_A3 each supporting
- Enhanced UART supporting automatic baud-rate detection
- IrDA encoder and decoder
- Synchronous SPI
- USCI_B0, USCI_B1, USCI_B2, and USCI_B3 each supporting
- I2C
- Synchronous SPI
- USCI_A0, USCI_A1, USCI_A2, and USCI_A3 each supporting
- 12-bit analog-to-digital converter (ADC)
- Internal reference
- Sample-and-hold
- Autoscan feature
- 14 external channels, 2 internal channels
- Hardware multiplier supporting 32-bit operations
- Serial onboard programming, no external programming voltage needed
- 3-channel internal DMA
- Basic timer with real-time clock feature
- Wide operational range: –40°C to 125°C (Q temp), –55°C to 125°C (M temp) (some noted parameters specified for –40°C to 85°C only)
- Available SnAgCu (ZCA) or SnPb (GCA) ball material
(1)Use of crystals is not ensured above 85°C for both 32-kHz and high-frequency crystals.
Description for the MSP430F5438A-ET
The MSP430F5438A-ET is an ultralow-power microcontroller. The architecture, combined with extensive low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in 3.5 µs (typical).
The MSP430F5438A-ET is a microcontroller configuration with three 16-bit timers, a high-performance 12-bit analog-to-digital converter (ADC), up to 4 universal serial communication interfaces (USCIs), a hardware multiplier, a DMA, a real-time clock (RTC) module with alarm capabilities, and up to 87 I/O pins. For complete module descriptions, see the MSP430F5xx and MSP430F6xx Family User’s Guide .
Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, and hand-held meters.