Low Supply Voltage Range 1.8 V to 3.6 V
Ultralow-Power Consumption:
− Active Mode: 200 μA at 1 MHz, 2.2 V
− Standby Mode: 0.7 μA
− Off Mode (RAM Retention): 0.1 μA
Five Power Saving Modes
Wake-Up From Standby Mode in less
than 6 μs
16-Bit RISC Architecture, 125 ns
Instruction Cycle Time
Basic Clock Module Configurations:
− Various Internal Resistors
− Single External Resistor
− 32 kHz Crystal
− High Frequency Crystal
− Resonator
− External Clock Source
16-Bit Timer_A With Three
Capture/Compare Registers
On-Chip Comparator for Analog Signal
Compare Function or Slope A/D
Conversion
Serial Communication Interface (USART0)
Software-Selects Asynchronous UART or
Synchronous SPI
Serial Onboard Programming,
No External Programming Voltage Needed
Programmable Code Protection by Security
Fuse
Family Members Include:
MSP430F122: 4KB + 256B Flash Memory
256B RAM
MSP430F123: 8KB + 256B Flash Memory
256B RAM
Available in a 28-Pin Plastic Small-Outline
Wide Body (SOWB) Package, 28-Pin Plastic
Thin Shrink Small-Outline Package
(TSSOP) and 32-Pin QFN Package
For Complete Module Descriptions, See the
MSP430x1xx Family User’s Guide,
Literature Number SLAU049

description
The Texas Instruments MSP430 family of ultralow power microcontrollers consist 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 device features
a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that attribute to maximum code efficiency.
The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6μs.
The MSP430F12x series is an ultralow-power mixed signal microcontroller with a built-in 16-bit timer and
twenty-two I/O pins. The MSP430F12x series also has a built-in communication capability using asynchronous
(UART) and synchronous (SPI) protocols in addition to a versatile analog comparator.
Typical applications include sensor systems that capture analog signals, convert them to digital values, and then
process the data and display them or transmit them to a host system. Stand alone RF sensor front end is another
area of application. The I/O port inputs provide single slope A/D conversion capability on resistive sensors.