MSP430F5438A, MSP430F5437A, MSP430F5436A, MSP430F5435A, MSP430F5419A,
MSP430F5438A, MSP430F5437A, MSP430F5436A, MSP430F5435A, MSP430F5419A,
MSP430F5418A
MSP430F5418A
www.ti.com
SLAS655G – JANUARY 2010 – REVISED SEPTEMBER 2020
SLAS655G – JANUARY 2010 – REVISED SEPTEMBER 2020
MSP430F543xA, MSP430F541xA Mixed-Signal Microcontrollers
– High-frequency crystals up to 32 MHz
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 (USCIs)
– USCI_A0, USCI_A1, USCI_A2, and USCI_A3
each support:
1 Features
•
•
•
•
•
Low supply voltage range:
3.6 V down to 1.8 V
•
Ultra-low 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):
•
Enhanced UART supports automatic baud-
rate detection
real-time clock (RTC) with crystal, watchdog,
and supply supervisor operational, full RAM
retention, fast wakeup:
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 wakeup:
1.2 µA at 3.0 V (typical)
•
•
IrDA encoder and decoder
Synchronous SPI
– USCI_B0, USCI_B1, USCI_B2, and USCI_B3
each support:
•
•
I2C
Synchronous SPI
– Off mode (LPM4):
•
12-bit analog-to-digital converter (ADC)
– Internal reference
– Sample-and-hold
full RAM retention, supply supervisor
operational, fast wakeup:
1.2 µA at 3.0 V (typical)
– Autoscan feature
– 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
– 14 external channels, 2 internal channels
Hardware multiplier supports 32-bit operations
Serial onboard programming, no external
programming voltage needed
3-channel internal DMA
Basic timer with RTC feature
Device Comparison summarizes the available
family members
•
•
•
•
– 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
•
•
2 Applications
•
•
•
•
•
•
Analog and Digital Sensor Systems
Digital Motor Controls
Remote Controls
Thermostats
Digital Timers
Unified clock system
– FLL control loop for frequency stabilization
– Low-power low-frequency internal clock source
(VLO)
– Low-frequency trimmed internal reference
source (REFO)
Hand-Held Meters
– 32-kHz crystals
3 Description
The TI MSP family of ultra-low-power microcontrollers consists of several devices featuring different sets of
peripherals targeted for various applications. 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
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Copyright © 2020 Texas Instruments Incorporated
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