# MSP430F5438IPZR

**Texas Instruments** · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

MSP430F5438IPZR from Texas Instruments, in a LQFP-100(14x14). 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 | P6.4/A4 | bidirectional | General-purpose digital I/O or analog input A4 for the ADC. |
| 2 | P6.5/A5 | bidirectional | General-purpose digital I/O or analog input A5 for the ADC. |
| 3 | P6.6/A6 | bidirectional | General-purpose digital I/O or analog input A6 for the ADC. |
| 4 | P6.7/A7 | bidirectional | General-purpose digital I/O or analog input A7 for the ADC. |
| 5 | P7.4/A12 | bidirectional | General-purpose digital I/O or analog input A12 for the ADC. |
| 6 | P7.5/A13 | bidirectional | General-purpose digital I/O or analog input A13 for the ADC. |
| 7 | P7.6/A14 | bidirectional | General-purpose digital I/O or analog input A14 for the ADC. |
| 8 | P7.7/A15 | bidirectional | General-purpose digital I/O or analog input A15 for the ADC. |
| 9 | P5.0/A8/VREF+/VeREF+ | bidirectional | General-purpose digital I/O, analog input A8, ADC reference voltage output, or external reference voltage input to the ADC. |
| 10 | P5.1/A9/VREF-/VeREF- | bidirectional | General-purpose digital I/O, analog input A9, or negative terminal for the ADC internal or external reference voltage. |
| 11 | AVCC | power_in | Analog power supply. |
| 12 | AVSS | power_in | Analog ground supply. |
| 13 | P7.0/XIN | bidirectional | General-purpose digital I/O or input terminal for crystal oscillator XT1. |
| 14 | P7.1/XOUT | bidirectional | General-purpose digital I/O or output terminal of crystal oscillator XT1. |
| 15 | DVSS1 | power_in | Digital ground supply. |
| 16 | DVCC1 | power_in | Digital power supply. |
| 17 | P1.0/TA0CLK/ACLK | bidirectional | General-purpose digital I/O with port interrupt, TA0 clock input, or ACLK output (divided by 1, 2, 4, 8, 16, or 32). |
| 18 | P1.1/TA0.0 | bidirectional | General-purpose digital I/O with port interrupt, TA0 CCR0 capture input/compare output, or BSL transmit output. |
| 19 | P1.2/TA0.1 | bidirectional | General-purpose digital I/O with port interrupt, TA0 CCR1 capture input/compare output, or BSL receive input. |
| 20 | P1.3/TA0.2 | bidirectional | General-purpose digital I/O with port interrupt, or TA0 CCR2 capture input (CCI2A) / compare output. |
| 21 | P1.4/TA0.3 | bidirectional | General-purpose digital I/O with port interrupt, or TA0 CCR3 capture input (CCI3A) / compare output. |
| 22 | P1.5/TA0.4 | bidirectional | General-purpose digital I/O with port interrupt, or TA0 CCR4 capture input (CCI4A) / compare output. |
| 23 | P1.6/SMCLK | bidirectional | General-purpose digital I/O with port interrupt, or SMCLK output. |
| 24 | P1.7 | bidirectional | General-purpose digital I/O with port interrupt. |
| 25 | P2.0/TA1CLK/MCLK | bidirectional | General-purpose digital I/O with port interrupt, TA1 clock input, or MCLK output. |
| 26 | P2.1/TA1.0 | bidirectional | General-purpose digital I/O with port interrupt, or TA1 CCR0 capture input (CCI0A) / compare output. |
| 27 | P2.2/TA1.1 | bidirectional | General-purpose digital I/O with port interrupt, or TA1 CCR1 capture input (CCI1A) / compare output. |
| 28 | P2.3/TA1.2 | bidirectional | General-purpose digital I/O with port interrupt, or TA1 CCR2 capture input (CCI2A) / compare output. |
| 29 | P2.4/RTCCLK | bidirectional | General-purpose digital I/O with port interrupt, or RTCCLK output. |
| 30 | P2.5 | bidirectional | General-purpose digital I/O with port interrupt. |
| 31 | P2.6/ACLK | bidirectional | General-purpose digital I/O with port interrupt, or ACLK output. |
| 32 | P2.7/ADC12CLK/DMAE0 | bidirectional | General-purpose digital I/O with port interrupt, DMA external trigger input (DMAE0), or ADC12CLK output. |
| 33 | P3.0/UCB0STE/UCA0CLK | bidirectional | General-purpose digital I/O, or USCI_B0 slave transmit enable / USCI_A0 clock. |
| 34 | P3.1/UCB0SIMO/UCB0SDA | bidirectional | General-purpose digital I/O, or USCI_B0 SPI SIMO / I2C data (I2C output drives only logical 0 to VSS). |
| 35 | P3.2/UCB0SOMI/UCB0SCL | bidirectional | General-purpose digital I/O, or USCI_B0 SPI SOMI / I2C clock (I2C output drives only logical 0 to VSS). |
| 36 | P3.3/UCB0CLK/UCA0STE | bidirectional | General-purpose digital I/O, or USCI_B0 clock / USCI_A0 slave transmit enable. |
| 37 | DVSS3 | power_in | Digital ground supply. |
| 38 | DVCC3 | power_in | Digital power supply. |
| 39 | P3.4/UCA0TXD/UCA0SIMO | bidirectional | General-purpose digital I/O, or USCI_A0 UART transmit / SPI SIMO. |
| 40 | P3.5/UCA0RXD/UCA0SOMI | bidirectional | General-purpose digital I/O, or USCI_A0 UART receive / SPI SOMI. |
| 41 | P3.6/UCB1STE/UCA1CLK | bidirectional | General-purpose digital I/O, or USCI_B1 slave transmit enable / USCI_A1 clock. |
| 42 | P3.7/UCB1SIMO/UCB1SDA | bidirectional | General-purpose digital I/O, or USCI_B1 SPI SIMO / I2C data (I2C output drives only logical 0 to VSS). |
| 43 | P4.0/TB0.0 | bidirectional | General-purpose digital I/O, or TB0 CCR0 capture input / compare output. |
| 44 | P4.1/TB0.1 | bidirectional | General-purpose digital I/O, or TB0 CCR1 capture input / compare output. |
| 45 | P4.2/TB0.2 | bidirectional | General-purpose digital I/O, or TB0 CCR2 capture input / compare output. |
| 46 | P4.3/TB0.3 | bidirectional | General-purpose digital I/O, or TB0 CCR3 capture input / compare output. |
| 47 | P4.4/TB0.4 | bidirectional | General-purpose digital I/O, or TB0 CCR4 capture input / compare output. |
| 48 | P4.5/TB0.5 | bidirectional | General-purpose digital I/O, or TB0 CCR5 capture input / compare output. |
| 49 | P4.6/TB0.6 | bidirectional | General-purpose digital I/O, or TB0 CCR6 capture input / compare output. |
| 50 | P4.7/TB0CLK/SMCLK | bidirectional | General-purpose digital I/O, TB0 clock input, or SMCLK output. |
| 51 | P5.4/UCB1SOMI/UCB1SCL | bidirectional | General-purpose digital I/O, or USCI_B1 SPI SOMI / I2C clock (I2C output drives only logical 0 to VSS). |
| 52 | P5.5/UCB1CLK/UCA1STE | bidirectional | General-purpose digital I/O, or USCI_B1 clock / USCI_A1 slave transmit enable. |
| 53 | P5.6/UCA1TXD/UCA1SIMO | bidirectional | General-purpose digital I/O, or USCI_A1 UART transmit / SPI SIMO. |
| 54 | P5.7/UCA1RXD/UCA1SOMI | bidirectional | General-purpose digital I/O, or USCI_A1 UART receive / SPI SOMI. |
| 55 | P7.2/TB0OUTH/SVMOUT | bidirectional | General-purpose digital I/O, TB0OUTH input (sets all Timer_B outputs to high impedance), or SVMOUT output. |
| 56 | P7.3/TA1.2 | bidirectional | General-purpose digital I/O, or TA1 CCR2 capture input (CCI2B) / compare output. |
| 57 | P8.0/TA0.0 | bidirectional | General-purpose digital I/O, or TA0 CCR0 capture input (CCI0B) / compare output. |
| 58 | P8.1/TA0.1 | bidirectional | General-purpose digital I/O, or TA0 CCR1 capture input (CCI1B) / compare output. |
| 59 | P8.2/TA0.2 | bidirectional | General-purpose digital I/O, or TA0 CCR2 capture input (CCI2B) / compare output. |
| 60 | P8.3/TA0.3 | bidirectional | General-purpose digital I/O, or TA0 CCR3 capture input (CCI3B) / compare output. |
| 61 | P8.4/TA0.4 | bidirectional | General-purpose digital I/O, or TA0 CCR4 capture input (CCI4B) / compare output. |
| 62 | VCORE | power_in | Pin named VCORE in the pin diagram; the datasheet text provided gives no further description of it. |
| 63 | DVSS2 | power_in | Digital ground supply. |
| 64 | DVCC2 | power_in | Digital power supply. |
| 65 | P8.5/TA1.0 | bidirectional | General-purpose digital I/O, or TA1 CCR0 capture input (CCI0B) / compare output. |
| 66 | P8.6/TA1.1 | bidirectional | General-purpose digital I/O, or TA1 CCR1 capture input (CCI1B) / compare output. |
| 67 | P8.7 | bidirectional | General-purpose digital I/O. |
| 68 | P9.0/UCB2STE/UCA2CLK | bidirectional | General-purpose digital I/O, or USCI_B2 slave transmit enable / USCI_A2 clock. |
| 69 | P9.1/UCB2SIMO/UCB2SDA | bidirectional | General-purpose digital I/O, or USCI_B2 SPI SIMO / I2C data (I2C output drives only logical 0 to VSS). |
| 70 | P9.2/UCB2SOMI/UCB2SCL | bidirectional | General-purpose digital I/O, or USCI_B2 SPI SOMI / I2C clock (I2C output drives only logical 0 to VSS). |
| 71 | P9.3/UCB2CLK/UCA2STE | bidirectional | General-purpose digital I/O, or USCI_B2 clock / USCI_A2 slave transmit enable. |
| 72 | P9.4/UCA2TXD/UCA2SIMO | bidirectional | General-purpose digital I/O, or USCI_A2 UART transmit / SPI SIMO. |
| 73 | P9.5/UCA2RXD/UCA2SOMI | bidirectional | General-purpose digital I/O, or USCI_A2 UART receive / SPI SOMI. |
| 74 | P9.6 | bidirectional | General-purpose digital I/O. |
| 75 | P9.7 | bidirectional | General-purpose digital I/O. |
| 76 | P10.0/UCB3STE/UCA3CLK | bidirectional | General-purpose digital I/O, or USCI_B3 slave transmit enable / USCI_A3 clock. |
| 77 | P10.1/UCB3SIMO/UCB3SDA | bidirectional | General-purpose digital I/O, or USCI_B3 SPI SIMO / I2C data (I2C output drives only logical 0 to VSS). |
| 78 | P10.2/UCB3SOMI/UCB3SCL | bidirectional | General-purpose digital I/O, or USCI_B3 SPI SOMI / I2C clock (I2C output drives only logical 0 to VSS). |
| 79 | P10.3/UCB3CLK/UCA3STE | bidirectional | General-purpose digital I/O, or USCI_B3 clock / USCI_A3 slave transmit enable. |
| 80 | P10.4/UCA3TXD/UCA3SIMO | bidirectional | General-purpose digital I/O, or USCI_A3 UART transmit / SPI SIMO. |
| 81 | P10.5/UCA3RXD/UCA3SOMI | bidirectional | General-purpose digital I/O, or USCI_A3 UART receive / SPI SOMI. |
| 82 | P10.6 | bidirectional | General-purpose digital I/O; secondary function is reserved for factory test, keep P10SEL.6 cleared. |
| 83 | P10.7 | bidirectional | General-purpose digital I/O; secondary function is reserved for factory test, keep P10SEL.7 cleared. |
| 84 | P11.0/ACLK | bidirectional | General-purpose digital I/O, or ACLK output. |
| 85 | P11.1/MCLK | bidirectional | General-purpose digital I/O, or MCLK output. |
| 86 | P11.2/SMCLK | bidirectional | General-purpose digital I/O, or SMCLK output. |
| 87 | DVCC4 | power_in | Digital power supply. |
| 88 | DVSS4 | power_in | Digital ground supply. |
| 89 | P5.2/XT2IN | bidirectional | General-purpose digital I/O, or input terminal for crystal oscillator XT2 (crystal or bypass mode). |
| 90 | P5.3/XT2OUT | bidirectional | General-purpose digital I/O, or output terminal of crystal oscillator XT2 (usable as I/O in bypass mode). |
| 91 | TEST/SBWTCK | input | Test mode pin and Spy-Bi-Wire clock input. |
| 92 | PJ.0/TDO | bidirectional | General-purpose digital I/O or JTAG test data output. |
| 93 | PJ.1/TDI/TCLK | bidirectional | General-purpose digital I/O or JTAG test data input / test clock input (pullup activated automatically in JTAG mode). |
| 94 | PJ.2/TMS | bidirectional | General-purpose digital I/O or JTAG test mode select (pullup activated automatically in JTAG mode). |
| 95 | PJ.3/TCK | bidirectional | General-purpose digital I/O or JTAG test clock (pullup activated automatically in JTAG mode). |
| 96 | RST/NMI/SBWTDIO | bidirectional | Reset input, nonmaskable interrupt input, and Spy-Bi-Wire data input/output. |
| 97 | P6.0/A0 | bidirectional | General-purpose digital I/O or analog input A0 for the ADC. |
| 98 | P6.1/A1 | bidirectional | General-purpose digital I/O or analog input A1 for the ADC. |
| 99 | P6.2/A2 | bidirectional | General-purpose digital I/O or analog input A2 for the ADC. |
| 100 | P6.3/A3 | bidirectional | General-purpose digital I/O or analog input A3 for the ADC. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |

## CAD (KiCad official)

- Symbol: `MSP430F5438IPZR`
- Footprint: `Package_QFP:LQFP-100_14x14mm_P0.5mm`
- 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files: `msp430f5438ipzr-etched.step` / `msp430f5438ipzr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `msp430f5438ipzr.step` / `msp430f5438ipzr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/msp430f5438) (114 pp, sha256 `a2c6502be83bd424`, retrieved 2026-10-03, 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](docs/msp430f5438ipzr-datasheet.pdf)