The Texas Instruments MSP430 family of ultralow-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The devices feature 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 less than
6 µs.
The MSP430x461x(1) series are microcontroller configurations with two 16-bit timers, a high-performance 12-bit A/D converter (MSP430x461x only), one universal serial communication interface (USCI), one universal synchronous/asynchronous communication interface (USART), DMA, 80 I/O pins, and a liquid crystal display (LCD) driver with regulated charge pump.
Typical applications for this device include portable medical applications and e-meter applications.
Low Supply-Voltage Range, 1.8 V to 3.6 V
Ultralow-Power Consumption:
Active Mode: 400 µA at 1 MHz, 2.2 V
Standby Mode: 1.3 µA
Off Mode (RAM Retention): 0.22 µA
Five Power-Saving Modes
Wake-Up From Standby Mode in Less Than 6 µs
16-Bit RISC Architecture, Extended Memory, 125-ns Instruction Cycle Time
Three Channel Internal DMA
12-Bit A/D Converter With Internal Reference, Sample-and-Hold and Autoscan
Feature (MSP430x461x only)
16-Bit Timer_A With Three Capture/Compare Registers
16-Bit Timer_B With Seven Capture/Compare-With-Shadow Registers
On-Chip Comparator
Supply Voltage Supervisor/Monitor With Programmable Level Detection
Basic Timer With Real Time Clock Feature
Integrated LCD Driver up to 160 Segments With Regulated Charge Pump
Serial Communication Interface (USART1), Select Asynchronous UART or
Synchronous SPI by Software
Universal Serial Communication Interface
Enhanced UART Supporting Auto-Baudrate Detection
IrDA Encoder and Decoder
Synchronous SPI
I2C
Serial Onboard Programming, Programmable Code Protection by Security Fuse
Brownout Detector
Family Members Include:
MSP430x4616, MSP430x46161(1):
92KB+256B Flash or ROM Memory
4KB RAM
MSP430x4617, MSP430x46171(1):
92KB+256B Flash or ROM Memory
8KB RAM
MSP430x4618, MSP430x46181(1):
116KB+256B Flash or ROM Memory
8KB RAM
MSP430x4619, MSP430x46191(1):
120KB+256B Flash or ROM Memory
4KB RAM
For Complete Module Descriptions, Refer to the _MSP430x4xx Family Users Guide_
(1) The MSP430F461x1 devices are identical to the MSP430F461x devices, with the exception that the ADC12 module is not implemented.
