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Contents

README

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MSP430F1122IDWR

Texas Instruments · Microcontroller Units (MCUs/MPUs/SOCs) · SOIC-20-300mil

MSP430F1122IDWR from Texas Instruments, in a SOIC-20-300mil. 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 TEST input Selects test mode for JTAG pins on P1.x.
2 VCC power_in Supply voltage.
3 P2.5/ROSC bidirectional General-purpose digital I/O pin; input for external resistor that defines the DCO nominal frequency.
4 VSS power_in Ground reference.
5 XOUT output Output terminal of crystal oscillator.
6 XIN input Input terminal of crystal oscillator.
7 RST/NMI input Reset or nonmaskable interrupt input.
8 P2.0/ACLK/A0 bidirectional General-purpose digital I/O pin; ACLK output; analog input to 10-bit ADC input A0.
9 P2.1/INCLK/A1 bidirectional General-purpose digital I/O pin; Timer_A clock signal at INCLK; analog input to 10-bit ADC input A1.
10 P2.2/TA0/A2 bidirectional General-purpose digital I/O pin; Timer_A capture CCI0B input or compare Out0 output; analog input to 10-bit ADC input A2; BSL receive.
11 P2.3/TA1/A3/VREF−/VeREF− bidirectional General-purpose digital I/O pin; Timer_A capture CCI1B input or compare Out1 output; analog input to 10-bit ADC input A3; negative reference voltage terminal.
12 P2.4/TA2/A4/VREF+/VeREF+ bidirectional General-purpose digital I/O pin; Timer_A compare Out2 output; analog input to 10-bit ADC input A4; positive reference voltage terminal.
13 P1.0/TACLK/ADC10CLK bidirectional General-purpose digital I/O pin; Timer_A clock signal TACLK input; conversion clock for 10-bit ADC.
14 P1.1/TA0 bidirectional General-purpose digital I/O pin; Timer_A capture CCI0A input or compare Out0 output; BSL transmit.
15 P1.2/TA1 bidirectional General-purpose digital I/O pin; Timer_A capture CCI1A input or compare Out1 output.
16 P1.3/TA2 bidirectional General-purpose digital I/O pin; Timer_A capture CCI2A input or compare Out2 output.
17 P1.4/SMCLK/TCK bidirectional General-purpose digital I/O pin; SMCLK signal output; test clock input terminal for device programming and test.
18 P1.5/TA0/TMS bidirectional General-purpose digital I/O pin; Timer_A compare Out0 output; test mode select input terminal for device programming and test.
19 P1.6/TA1/TDI/TCLK bidirectional General-purpose digital I/O pin; Timer_A compare Out1 output; test data input terminal or test clock input.
20 P1.7/TA2/TDO/TDI bidirectional General-purpose digital I/O pin; Timer_A compare Out2 output; test data output terminal or data input during programming.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-20-300mil
Category Single Chip Microcomputer/Microcontroller
Pins 20

CAD (KiCad official)

  • Symbol: MSP430F1122IDWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: msp430f1122idwr-etched.step / msp430f1122idwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430f1122idwr.step / msp430f1122idwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (60 pp, sha256 1ea45e02acd13d84, retrieved 2026-10-06, tier: lcsc)
  • 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