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Contents

README

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MSP430G2553IPW20R

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · TSSOP-20

MSP430G2553IPW20R from Texas Instruments, in a TSSOP-20. 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 DVCC power_in Digital power supply voltage, operating range 1.8V to 3.6V during program execution.
2 P1.0 bidirectional General-purpose digital I/O supporting TA0CLK input, ACLK output, ADC10 analog input A0, or Comparator_A+ input CA0.
3 P1.1 bidirectional General-purpose digital I/O supporting Timer0_A capture/compare, UART/SPI receive, ADC10 analog input A1, or Comparator_A+ input CA1.
4 P1.2 bidirectional General-purpose digital I/O supporting Timer0_A capture/compare, UART/SPI transmit, ADC10 analog input A2, or Comparator_A+ input CA2.
5 P1.3 bidirectional General-purpose digital I/O supporting ADC10 conversion clock output, Comparator_A+ output, ADC10 negative reference VREF-, analog input A3, or Comparator input CA3.
6 P1.4 bidirectional General-purpose digital I/O supporting SMCLK output, I2C/SPI enable signals, ADC10 positive reference VREF+, analog input A4, or JTAG test clock TCK.
7 P1.5 bidirectional General-purpose digital I/O supporting Timer0_A compare output, I2C/SPI clock input/output, JTAG test mode select TMS, analog input A5, or Comparator input CA5.
8 P2.0 bidirectional General-purpose digital I/O supporting Timer1_A capture/compare output CCI0A or TA1.0.
9 P2.1 bidirectional General-purpose digital I/O supporting Timer1_A capture/compare output CCI1A or TA1.1.
10 P2.2 bidirectional General-purpose digital I/O supporting Timer1_A capture/compare output CCI1B or TA1.1.
11 P2.3 bidirectional General-purpose digital I/O supporting Timer1_A capture/compare output CCI0B or TA1.0.
12 P2.4 bidirectional General-purpose digital I/O supporting Timer1_A capture/compare output CCI2A or TA1.2.
13 P2.5 bidirectional General-purpose digital I/O supporting Timer1_A capture/compare output CCI2B or TA1.2.
14 P1.6 bidirectional General-purpose digital I/O supporting Timer0_A compare output, I2C/SPI signals, JTAG/Spy-Bi-Wire test data input TDI/TCLK, analog input A6, or Comparator input CA6.
15 P1.7 bidirectional General-purpose digital I/O supporting Comparator_A+ output CAOUT, I2C/SPI data signals, JTAG/Spy-Bi-Wire test data output/input TDO/TDI, analog input A7, or Comparator input CA7.
16 RST/NMI input Reset or non-maskable interrupt input pin; also functions as Spy-Bi-Wire test data input/output SBWTDIO during programming.
17 TEST input Test mode selection pin for JTAG operation; also functions as Spy-Bi-Wire test clock input SBWTCK during device programming.
18 XOUT bidirectional Crystal oscillator output pin when used with XIN for 32kHz oscillator; can also function as general-purpose I/O port pin P2.7.
19 XIN bidirectional Crystal oscillator input pin when used with XOUT for 32kHz oscillator; can also function as general-purpose I/O port pin P2.6 with Timer0_A compare output.
20 DVSS power_in Ground reference voltage for digital circuits.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-20
Category Embedded Processors & Controllers
Pins 20

CAD (KiCad official)

  • Symbol: MSP430G2553IPW20R
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: msp430g2553ipw20r-etched.step / msp430g2553ipw20r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430g2553ipw20r.step / msp430g2553ipw20r.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (88 pp, sha256 6b2ec0d3ff2ce347, retrieved 2026-09-23, 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