component
MSP430F2121IRGER
Public Made by Adomby adom
Texas Instruments Microcontrollers (MCU/MPU/SOC), VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMSP430F2121IRGER
Texas Instruments · Microcontrollers (MCU/MPU/SOC) · VQFN-24(4x4)
MSP430F2121IRGER from Texas Instruments, in a VQFN-24(4x4). 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 | NC | unconnected | Not internally connected. |
| 2 | VSS | power_in | Ground reference. |
| 3 | XOUT/P2.7/CA7 | bidirectional | Output terminal of crystal oscillator, general-purpose digital I/O pin, or Comparator_A+ CA7 input. |
| 4 | XIN/P2.6/CA6 | bidirectional | Input terminal of crystal oscillator, general-purpose digital I/O pin, or Comparator_A+ CA6 input. |
| 5 | RST/NMI | input | Reset or nonmaskable interrupt input. |
| 6 | P2.0/ACLK/CA2 | bidirectional | General-purpose digital I/O pin, ACLK output, or Comparator_A+ CA2 input. |
| 7 | P2.1/INCLK/CA3 | bidirectional | General-purpose digital I/O pin, Timer_A clock signal INCLK input, or Comparator_A+ CA3 input. |
| 8 | P2.2/CAOUT/TA0/CA4 | bidirectional | General-purpose digital I/O pin, Timer_A capture CCI0B input/BSL receive, Comparator_A+ output, or CA4 input. |
| 9 | NC | unconnected | Not internally connected. |
| 10 | P2.3/TA1/CA0 | bidirectional | General-purpose digital I/O pin, Timer_A compare Out1 output, or Comparator_A+ CA0 input. |
| 11 | P2.4/TA2/CA1 | bidirectional | General-purpose digital I/O pin, Timer_A compare Out2 output, or Comparator_A+ CA1 input. |
| 12 | NC | unconnected | Not internally connected. |
| 13 | P1.0/TACLK | bidirectional | General-purpose digital I/O pin or Timer_A clock signal TACLK input. |
| 14 | P1.1/TA0 | bidirectional | General-purpose digital I/O pin, Timer_A capture CCI0A input, compare Out0 output, or 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, or Test Clock input for device programming and test. |
| 18 | P1.5/TA0/TMS | bidirectional | General-purpose digital I/O pin, Timer_A compare Out0 output, or Test Mode Select input for device programming and test. |
| 19 | NC | unconnected | Not internally connected. |
| 20 | P1.6/TA1/TDI/TCLK | bidirectional | General-purpose digital I/O pin, Timer_A compare Out1 output, or Test Data Input/Test Clock Input for programming and test. |
| 21 | P1.7/TA2/TDO/TDI | bidirectional | General-purpose digital I/O pin, Timer_A compare Out2 output, or Test Data Output/Input for programming and test. |
| 22 | TEST | input | Selects test mode for JTAG pins on Port1; device protection fuse is connected to TEST. |
| 23 | VCC | power_in | Supply voltage. |
| 24 | P2.5/CA5 | bidirectional | General-purpose digital I/O pin or Comparator_A+ CA5 input. |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-24(4x4) |
| Category | Embedded Processors & Controllers |
| Pins | 25 |
CAD (KiCad official)
- Symbol:
MSP430F2121IRGER - Footprint:
Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm - 3D model: VQFN-24(4x4) (KiCad packages3D, STEP)
- 3D model files:
msp430f2121irger-etched.step/msp430f2121irger-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);msp430f2121irger.step/msp430f2121irger.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (68 pp, sha256
0997b19db742fa9b, retrieved 2026-10-01, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).