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Contents

README

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MSP430G2553IRHB32R

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · QFN-32-EP(5x5)

MSP430G2553IRHB32R from Texas Instruments, in a QFN-32-EP(5x5). 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 P1.1 bidirectional General-purpose I/O pin; Timer0_A capture CCI0A input; UART receive; SPI slave data input; or ADC10 analog input A1.
2 P1.2 bidirectional General-purpose I/O pin; Timer0_A capture CCI1A input; UART transmit output; SPI master data output; or ADC10 analog input A2.
3 P1.3 bidirectional General-purpose I/O pin; ADC10 conversion clock output; Comparator_A+ output; ADC10 negative reference input VREF-; or ADC10 analog input A3.
4 P1.4 bidirectional General-purpose I/O pin; SMCLK system sub-clock output; USCI_B0 slave transmit enable; USCI_A0 clock input/output; ADC10 positive reference VREF+; or JTAG test clock TCK.
5 P1.5 bidirectional General-purpose I/O pin; Timer0_A compare output Out0; USCI_B0 clock input/output; USCI_A0 slave transmit enable; ADC10 analog input A5; or JTAG test mode select TMS.
6 P3.1 bidirectional General-purpose I/O pin; Timer1_A compare output TA0 (available in 28-pin PW and 32-pin RHB packages only).
7 P3.0 bidirectional General-purpose I/O pin; Timer0_A capture CCI2A input (available in 28-pin PW and 32-pin RHB packages only).
8 NC unconnected No internal connection; can be left floating or connected to VSS.
9 P2.0 bidirectional General-purpose I/O pin; Timer1_A capture CCI0A input or compare output TA0.
10 P2.1 bidirectional General-purpose I/O pin; Timer1_A capture CCI1A input or compare output TA1.
11 P2.2 bidirectional General-purpose I/O pin; Timer1_A capture CCI1B input or compare output TA1.
12 P3.2 bidirectional General-purpose I/O pin; Timer1_A compare output TA1 (available in 28-pin PW and 32-pin RHB packages only).
13 P3.3 bidirectional General-purpose I/O pin; Timer1_A compare output TA2 (available in 28-pin PW and 32-pin RHB packages only).
14 P3.4 bidirectional General-purpose I/O pin; Timer0_A compare output TA0 (available in 28-pin PW and 32-pin RHB packages only).
15 P2.3 bidirectional General-purpose I/O pin; Timer1_A capture CCI0B input or compare output TA0.
16 P2.4 bidirectional General-purpose I/O pin; Timer1_A capture CCI2A input or compare output TA2.
17 P2.5 bidirectional General-purpose I/O pin; Timer1_A capture CCI2B input or compare output TA2.
18 P3.5 bidirectional General-purpose I/O pin; Timer0_A compare output TA1 (available in 28-pin PW and 32-pin RHB packages only).
19 P3.6 bidirectional General-purpose I/O pin; Timer0_A compare output TA2 (available in 28-pin PW and 32-pin RHB packages only).
20 P3.7 bidirectional General-purpose I/O pin; Timer1_A clock input TACLK; or Comparator_A+ output CAOUT (available in 28-pin PW and 32-pin RHB packages only).
21 P1.6 bidirectional General-purpose I/O pin; Timer0_A compare output TA1; USCI_B0 slave output master input or I2C clock SCL; ADC10 analog input A6; or JTAG test data input TDI/TCLK.
22 P1.7 bidirectional General-purpose I/O pin; ADC10 analog input A7; Comparator_A+ output; USCI_B0 slave input master output or I2C data SDA; or JTAG test data output TDO/TDI.
23 RST/NMI/SBWTDIO bidirectional Reset input; Non-maskable interrupt input; or Spy-Bi-Wire test data input/output for device programming and testing.
24 TEST/SBWTCK input Test mode select input for port 1 JTAG pins; or Spy-Bi-Wire test clock input for device programming and testing.
25 XOUT/P2.7 passive Crystal oscillator output terminal; or general-purpose I/O pin P2.7 if oscillator not used.
26 XIN/P2.6 passive Crystal oscillator input terminal; Timer0_A compare output TA1; or general-purpose I/O pin P2.6 if oscillator not used.
27 AVSS power_in Analog ground reference voltage (VSS).
28 DVSS power_in Digital ground reference voltage (VSS).
29 AVCC power_in Analog power supply voltage; 1.8V to 3.6V during program execution.
30 DVCC power_in Digital power supply voltage; 1.8V to 3.6V during program execution, 2.2V to 3.6V during flash programming.
31 P1.0 bidirectional General-purpose I/O pin; Timer0_A clock input TACLK; ACLK auxiliary clock output; or ADC10 analog input A0.
32 NC unconnected No internal connection; can be left floating or connected to VSS; not used in this package.
33 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QFN-32-EP(5x5)
Category Embedded Processors & Controllers
Pins 33

CAD (KiCad official)

  • Symbol: MSP430G2553IRHB32R
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: QFN-32-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: msp430g2553irhb32r-etched.step / msp430g2553irhb32r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430g2553irhb32r.step / msp430g2553irhb32r.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