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Contents

README

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MSP430AFE253IPWR

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · TSSOP-24

MSP430AFE253IPWR from Texas Instruments, in a TSSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A0.0+ input SD24_A differential positive analog input A0.0 for 24-bit sigma-delta ADC channel 0.
2 A0.0- input SD24_A differential negative analog input A0.0 for 24-bit sigma-delta ADC channel 0.
3 A1.0+ input SD24_A differential positive analog input A1.0 for 24-bit sigma-delta ADC channel 1.
4 A1.0- input SD24_A differential negative analog input A1.0 for 24-bit sigma-delta ADC channel 1.
5 AVCC power_in Analog power supply positive terminal, 2.5 V to 3.6 V range, must not power up prior to DVCC.
6 AVSS power_in Analog power supply negative terminal (ground reference).
7 VREF power_in External reference voltage input or internal 1.2 V reference voltage output for SD24_A ADC.
8 A2.0+ input SD24_A differential positive analog input A2.0 for 24-bit sigma-delta ADC channel 2.
9 A2.0- input SD24_A differential negative analog input A2.0 for 24-bit sigma-delta ADC channel 2.
10 TEST/SBWTCK input Test mode select for JTAG interface and Spy-Bi-Wire test clock input for device programming and test.
11 RST/NMI/SBWTDIO input Reset or nonmaskable interrupt input; also Spy-Bi-Wire test data input/output for device programming and test.
12 P1.0/SVSIN/TACLK/SMCLK/TA2 bidirectional General-purpose I/O with supply voltage supervisor analog input, Timer_A3 clock, and SMCLK output functions.
13 DVSS power_in Digital power supply negative terminal (ground reference).
14 P2.6/XT2IN bidirectional General-purpose I/O; crystal oscillator input terminal for XT2 high-frequency oscillator.
15 P2.7/XT2OUT bidirectional General-purpose I/O; crystal oscillator output terminal for XT2 high-frequency oscillator.
16 DVCC power_in Digital power supply positive terminal, 1.8 V to 3.6 V range.
17 P1.1/TA1/SDCLK bidirectional General-purpose I/O with Timer_A3 capture/compare functions and SD24_A bit stream clock output.
18 P1.2/TA0/SD0DO bidirectional General-purpose I/O with Timer_A3 capture/compare functions and SD24_A channel 0 bit stream data output.
19 P1.3/UTXD0/SD1DO bidirectional General-purpose I/O with USART0 transmit function in UART mode and SD24_A channel 1 bit stream data output.
20 P1.4/URXD0/SD2DO bidirectional General-purpose I/O with USART0 receive function in UART mode and SD24_A channel 2 bit stream data output.
21 P1.5/SIMO0/SVSOUT/TMS bidirectional General-purpose I/O with USART0 SPI slave in/master out function, SVS comparator output, and JTAG test mode select.
22 P1.6/SOMI0/TA2/TCK bidirectional General-purpose I/O with USART0 SPI slave out/master in function, Timer_A3 compare output, and JTAG test clock input.
23 P1.7/UCLK0/TA1/TDO/TDI bidirectional General-purpose I/O with USART0 external clock function, Timer_A3 compare output, and JTAG test data I/O.
24 P2.0/STE0/TA0/TDI/TCLK bidirectional General-purpose I/O with USART0 SPI slave transmit enable, Timer_A3 compare output, and JTAG test clock input functions.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-24
Category Embedded Processors & Controllers
Pins 24

CAD (KiCad official)

  • Symbol: MSP430AFE253IPWR
  • Footprint: Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm
  • 3D model: TSSOP-24 (KiCad packages3D, STEP)
  • 3D model files: msp430afe253ipwr-etched.step / msp430afe253ipwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430afe253ipwr.step / msp430afe253ipwr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (63 pp, sha256 2b9d6953a48a5335, retrieved 2026-09-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF