Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

MSP430G2553IRHB32T

Texas Instruments · Microcontroller Units (MCUs/MPUs/SOCs) · VQFN-32-EP(5x5)

MSP430G2553IRHB32T from Texas Instruments, in a VQFN-32-EP(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 P1.1/TA0.0/UCA0RXD/UCA0SOMI/A1/CA1 bidirectional General-purpose digital I/O pin supporting Timer0_A capture/compare, USCI_A0 UART receive or SPI master-in/slave-out, ADC10 analog input channel A1, and Comparator_A input channel CA1.
2 P1.2/TA0.1/UCA0TXD/UCA0SIMO/A2/CA2 bidirectional General-purpose digital I/O pin supporting Timer0_A capture/compare, USCI_A0 UART transmit or SPI master-out/slave-in, ADC10 analog input channel A2, and Comparator_A input channel CA2.
3 P1.3/ADC10CLK/CAOUT/VREF-/VEREF-/A3/CA3 bidirectional General-purpose digital I/O pin supporting ADC10 conversion clock output, Comparator_A output, ADC10 negative reference voltage input, ADC10 analog input channel A3, and Comparator_A input channel CA3.
4 P1.4/SMCLK/UCB0STE/UCA0CLK/VREF+/VEREF+/A4/CA4/TCK bidirectional General-purpose digital I/O pin supporting SMCLK system clock output, USCI_B0 slave transmit enable, USCI_A0 bit clock, ADC10 positive reference voltage input, ADC10 analog input channel A4, Comparator_A input channel CA4, and JTAG test clock input.
5 P1.5/TA0.0/UCB0CLK/UCA0STE/A5/CA5/TMS bidirectional General-purpose digital I/O pin supporting Timer0_A compare output, USCI_B0 clock, USCI_A0 slave transmit enable, ADC10 analog input channel A5, Comparator_A input channel CA5, and JTAG test mode select input.
6 P3.1/TA1.0 bidirectional General-purpose digital I/O pin supporting Timer1_A compare output.
7 P3.0/TA0.2 bidirectional General-purpose digital I/O pin supporting Timer0_A capture input and compare output.
8 NC unconnected No connection pad for QFN package; recommended to leave unconnected or connect to VSS.
9 P2.0/TA1.0 bidirectional General-purpose digital I/O pin supporting Timer1_A capture input and compare output.
10 P2.1/TA1.1 bidirectional General-purpose digital I/O pin supporting Timer1_A capture input and compare output.
11 P2.2/TA1.1 bidirectional General-purpose digital I/O pin supporting Timer1_A capture input and compare output.
12 P3.2/TA1.1 bidirectional General-purpose digital I/O pin supporting Timer1_A compare output.
13 P3.3/TA1.2 bidirectional General-purpose digital I/O pin supporting Timer1_A compare output.
14 P3.4/TA0.0 bidirectional General-purpose digital I/O pin supporting Timer0_A compare output.
15 P2.3/TA1.0 bidirectional General-purpose digital I/O pin supporting Timer1_A capture input and compare output.
16 P2.4/TA1.2 bidirectional General-purpose digital I/O pin supporting Timer1_A capture input and compare output.
17 P2.5/TA1.2 bidirectional General-purpose digital I/O pin supporting Timer1_A capture input and compare output.
18 P3.5/TA0.1 bidirectional General-purpose digital I/O pin supporting Timer0_A compare output.
19 P3.6/TA0.2 bidirectional General-purpose digital I/O pin supporting Timer0_A compare output.
20 P3.7/TA1CLK/CAOUT bidirectional General-purpose digital I/O pin supporting Timer1_A clock input and Comparator_A output.
21 P1.6/TA0.1/UCB0SOMI/UCB0SCL/A6/CA6/TDI/TCLK bidirectional General-purpose digital I/O pin supporting Timer0_A compare output, USCI_B0 SPI master-in/slave-out or I2C clock, ADC10 analog input channel A6, Comparator_A input channel CA6, and JTAG test data input or test clock.
22 P1.7/CAOUT/UCB0SIMO/UCB0SDA/A7/CA7/TDO/TDI bidirectional General-purpose digital I/O pin supporting Comparator_A output, USCI_B0 SPI master-out/slave-in or I2C data, ADC10 analog input channel A7, Comparator_A input channel CA7, and JTAG test data output or input.
23 RST/NMI/SBWTDIO input Reset input, non-maskable interrupt input, and Spy-Bi-Wire serial debug data input/output terminal for in-circuit programming and emulation.
24 TEST/SBWTCK input Test mode select input for JTAG interface and Spy-Bi-Wire serial debug clock input terminal for device programming and testing.
25 XOUT/P2.7 bidirectional Crystal oscillator output terminal or general-purpose digital I/O pin P2.7; oscillator output should be left unused when configured as I/O to avoid excessive current draw.
26 XIN/P2.6/TA0.1 bidirectional Crystal oscillator input terminal or general-purpose digital I/O pin P2.6 supporting Timer0_A compare output when configured as I/O.
27 AVSS power_in Analog ground reference for ADC10 converter, Comparator_A module, and internal voltage reference circuits; connect to system ground.
28 DVSS power_in Digital ground reference for digital circuits and system clock oscillators; connect to system ground.
29 AVCC power_in Analog power supply voltage input with operating range 2.2 V to 3.6 V for ADC10, Comparator_A, and internal reference circuits.
30 DVCC power_in Digital power supply voltage input with operating range 1.8 V to 3.6 V for digital circuits and system oscillators.
31 P1.0/TA0CLK/ACLK/A0/CA0 bidirectional General-purpose digital I/O pin supporting Timer0_A clock input, auxiliary clock output, ADC10 analog input channel A0, and Comparator_A input channel CA0.
32 NC unconnected No connection pad for QFN package; recommended to leave unconnected or connect to VSS.
33 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-32-EP(5x5)
Category Single Chip Microcomputer/Microcontroller
Pins 33

CAD (KiCad official)

  • Symbol: MSP430G2553IRHB32T
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: msp430g2553irhb32t-etched.step / msp430g2553irhb32t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430g2553irhb32t.step / msp430g2553irhb32t.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 2026-10-07, 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 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (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