# MSP430FR5043IPMR

**Texas Instruments** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

MSP430FR5043IPMR from Texas Instruments, in a LQFP-64(10x10). 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 | AVCC1 | power_in | Analog power supply pin requiring decoupling capacitor for proper analog circuit operation. |
| 2 | P2.2 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as comparator output, SPI clock, or ADC analog input A14/C14. |
| 3 | P1.0 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as ADC analog input A0, comparator input C0, or reference voltage output. |
| 4 | P1.1 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as ADC analog input A1, comparator input C1, or reference voltage output. |
| 5 | AVSS2 | power_in | Analog ground supply for analog circuitry and sensors. |
| 6 | PJ.4 | bidirectional | General-purpose digital I/O pin or low-frequency crystal oscillator input (LFXIN) when configured for crystal operation. |
| 7 | PJ.5 | bidirectional | General-purpose digital I/O pin or low-frequency crystal oscillator output (LFXOUT) when configured for crystal operation. |
| 8 | AVSS3 | power_in | Analog ground supply for analog circuitry and sensors. |
| 9 | PJ.6 | bidirectional | General-purpose digital I/O pin, high-frequency crystal oscillator input (HFXIN), or USSXT buffered output clock (USSXT_BOUT). |
| 10 | PJ.7 | bidirectional | General-purpose digital I/O pin or high-frequency crystal oscillator output (HFXOUT) when configured for crystal operation. |
| 11 | TEST | input | Test mode pin for selecting digital I/O function on JTAG pins; internal pulldown always enabled. |
| 12 | RST/NMI | bidirectional | Reset input active low or configurable nonmaskable interrupt input with optional internal pullup resistor. |
| 13 | PJ.0 | bidirectional | General-purpose digital I/O pin with debug, clock, DMA, and comparator input functionality. |
| 14 | PJ.1 | bidirectional | General-purpose digital I/O pin with debug, UART, timer clock, and comparator input functionality. |
| 15 | PJ.2 | bidirectional | General-purpose digital I/O pin with debug, UART, status output, and comparator input functionality. |
| 16 | PJ.3 | bidirectional | General-purpose digital I/O pin with debug, UART, timer capture/compare, status output, and comparator input functionality. |
| 17 | DVSS1 | power_in | Digital ground supply for digital core and peripheral circuits. |
| 18 | DVCC1 | power_in | Digital power supply for digital core and peripheral circuits requiring decoupling capacitor. |
| 19 | P1.2 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as UART, ADC input A8/C8, or timer output. |
| 20 | P1.3 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as UART, ADC input A9/C9, or timer output. |
| 21 | P2.0 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as SPI clock/data or boot loader transmit (BSLTX). |
| 22 | P2.1 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as SPI data/status or boot loader receive (BSLRX). |
| 23 | P1.6 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as UART, I2C data (SDA/SIMO), or boot loader SDA. |
| 24 | P1.7 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as USS trigger, UART, I2C clock/status, or boot loader SCL. |
| 25 | P1.4 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as ADC input A2/C2, timer capture/compare, or I2C slave select. |
| 26 | P1.5 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as ADC input A3/C3, timer capture/compare, or I2C clock. |
| 27 | P3.1 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer clock or meter test interface input/output. |
| 28 | P4.0 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as RTC clock output, timer capture/compare, or meter test interface pin enable. |
| 29 | P4.1 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as SPI clock/data, timer, or UART. |
| 30 | P4.2 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as SPI clock/data, timer, or UART. |
| 31 | P4.3 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as SPI data or UART transmit. |
| 32 | P4.4 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as SPI data or UART receive. |
| 33 | DVSS2 | power_in | Digital ground supply for digital core and peripheral circuits. |
| 34 | P5.0 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or UART transmit. |
| 35 | P5.1 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or UART receive. |
| 36 | P5.2 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or SPI clock. |
| 37 | P5.3 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or UART slave select. |
| 38 | P5.4 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or I2C clock. |
| 39 | P5.5 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or I2C data. |
| 40 | P5.6 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer PWM output or I2C data. |
| 41 | P5.7 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or I2C slave select. |
| 42 | P6.0 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer clock or comparator output. |
| 43 | P6.4 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as master clock (MCLK) output. |
| 44 | P6.5 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as sub-main clock (SMCLK) output. |
| 45 | P6.6 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as auxiliary clock (ACLK) output. |
| 46 | P7.0 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer capture/compare or external bias output (XPB0). |
| 47 | P6.2 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as timer clock or LCD reference voltage. |
| 48 | DVSS3 | power_in | Digital ground supply for digital core and peripheral circuits. |
| 49 | DVCC3 | power_in | Digital power supply for digital core and peripheral circuits requiring decoupling capacitor. |
| 50 | P3.3 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as master clock (MCLK) output or external bias output (XPB1). |
| 51 | P3.4 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as sub-main clock (SMCLK) output or DMA trigger. |
| 52 | P3.5 | bidirectional | General-purpose digital I/O with port interrupt and wakeup from LPMx.5; also functions as auxiliary clock (ACLK) output or comparator output. |
| 53 | CH1_IN | input | Ultrasonic sensing solution channel 1 receive input with maximum voltage 1.65 V. |
| 54 | CH1_OUT | bidirectional | Ultrasonic sensing solution channel 1 transmit output with low output impedance and 1.8 V maximum pulse capability. |
| 55 | PVSS | power_in | Ultrasonic sensing module ground supply requiring 22 µF decoupling capacitor. |
| 56 | PVCC | power_in | Ultrasonic sensing module power supply (2.2 V to 3.6 V) requiring 1 µF plus 22 µF decoupling capacitors. |
| 57 | PVCC | power_in | Ultrasonic sensing module power supply (2.2 V to 3.6 V) requiring 1 µF plus 22 µF decoupling capacitors. |
| 58 | PVSS | power_in | Ultrasonic sensing module ground supply requiring 22 µF decoupling capacitor. |
| 59 | CH0_OUT | bidirectional | Ultrasonic sensing solution channel 0 transmit output with low output impedance and 1.8 V maximum pulse capability. |
| 60 | CH0_IN | input | Ultrasonic sensing solution channel 0 receive input with maximum voltage 1.65 V. |
| 61 | AVSS4 | power_in | Analog ground supply for analog circuitry and sensors. |
| 62 | USSXTIN | input | Input for ultrasonic sensing solution crystal oscillator (USSXT) with maximum voltage 1.5 V; does not support bypass mode. |
| 63 | USSXTOUT | output | Output for ultrasonic sensing solution crystal oscillator (USSXT) with maximum voltage 1.5 V output capability. |
| 64 | AVSS1 | power_in | Analog ground supply for analog circuitry and sensors. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |

## CAD (KiCad official)

- Symbol: `MSP430FR5043IPMR`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `msp430fr5043ipmr-etched.step` / `msp430fr5043ipmr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `msp430fr5043ipmr.step` / `msp430fr5043ipmr.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/msp430fr50431) (201 pp, sha256 `f170175958cb6cfa`, 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/msp430fr5043ipmr-datasheet.pdf)