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 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 contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows the device to wake up from low-power modes to active mode in less than 1 µs.
The MSP430AFE2x3 devices are ultra-low-power mixed signal microcontrollers integrating three independent 24-bit sigma-delta ADCs, one 16-bit timer, one 16-bit hardware multiplier, USART communication interface, watchdog timer, and 11 I/O pins.
The MSP430AFE2x2 devices are identical to the MSP430AFE2x3, except that there are only two 24-bit sigma-delta ADCs integrated.
The MSP430AFE2x1 devices are identical to the MSP430AFE2x3, except that there is only one 24-bit sigma-delta ADC integrated.
All trademarks are the property of their respective owners.
Non-volatile memory (kB) |
RAM (KB) |
ADC |
ADC: channels (#) |
GPIO pins (#) |
I2C |
SPI |
UART |
Comparator channels (#) |
Package Group |
Approx. price (US$) |
USB |
Timers - 16-bit |
Bootloader (BSL) |
Package size: mm2:W x L (PKG) |
MSP430AFE223 | MSP430AFE221 | MSP430AFE222 | MSP430AFE231 | MSP430AFE232 | MSP430AFE233 | MSP430AFE251 | MSP430AFE252 | MSP430AFE253 |
---|---|---|---|---|---|---|---|---|
4 | 4 | 4 | 8 | 8 | 8 | 16 | 16 | 16 |
0.25 | 0.25 | 0.25 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
24-bit Sigma Delta | 16-bit Sigma Delta | 24-bit Sigma Delta | 24-bit Sigma Delta | 24-bit Sigma Delta | 24-bit Sigma Delta | 24-bit Sigma Delta | 24-bit Sigma Delta | 24-bit Sigma Delta |
3 | 1 | 2 | 1 | 2 | 3 | 1 | 2 | 3 |
11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
TSSOP | 24 | TSSOP | 24 | TSSOP | 24 | TSSOP | 24 | TSSOP | 24 | TSSOP | 24 | TSSOP | 24 | TSSOP | 24 | TSSOP | 24 |
2.10 | 1ku | 1.80 | 1ku | 1.95 | 1ku | 1.85 | 1ku | 2.00 | 1ku | 2.10 | 1ku | 1.90 | 1ku | 2.05 | 1ku | 2.20 | 1ku |
No | No | No | No | No | No | No | No | No |
1 |