component
MSP430FR2155TRHAR
Public Made by Adomby adom
Texas Instruments Microcontrollers (MCU/MPU/SOC), QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MSP430FR2155TRHAR
Texas Instruments · Microcontrollers (MCU/MPU/SOC) · QFN-40-EP(6x6)
MSP430FR2155TRHAR from Texas Instruments, in a QFN-40-EP(6x6). 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/UCB0CLK/ACLK/COMP0.1/A1 | bidirectional | General-purpose I/O P1.1 with LVCMOS buffer powered from DVCC and reset state OFF; alternate functions are eUSCI_B0 clock, ACLK output, eCOMP0 input COMP0.1 and ADC analog input A1. |
| 2 | P1.0/UCB0STE/SMCLK/COMP0.0/A0/Veref+ | bidirectional | General-purpose I/O P1.0 with LVCMOS buffer powered from DVCC and reset state OFF; alternate functions are eUSCI_B0 STE, SMCLK output, eCOMP0 input COMP0.0, ADC analog input A0 and ADC positive reference Veref+. |
| 3 | TEST/SBWTCK | input | TEST pin selects test/JTAG-related operation and carries the Spy-Bi-Wire clock SBWTCK; it always has an internal pulldown enabled, so it may be left open. |
| 4 | RST/NMI/SBWTDIO | bidirectional | Device reset pin (RST, reset default function) that can alternatively be configured as non-maskable interrupt NMI or Spy-Bi-Wire data I/O SBWTDIO; if unused, use a 47-kΩ pullup or the internal pullup with a 10-nF (or 1.1-nF) pulldown. |
| 5 | DVCC | power_in | Primary power supply pin for the digital and analog modules, specified from 1.8 V to 3.6 V, with 4.7 µF to 10 µF recommended capacitance at DVCC. |
| 6 | DVSS | power_in | Ground (VSS) supply pin for the digital and analog modules; the exposed thermal pad must also be connected to VSS. |
| 7 | P2.7/TB0CLK/XIN | bidirectional | General-purpose I/O P2.7 with LVCMOS buffer; alternate functions are Timer_B0 clock input TB0CLK and input terminal XIN for the crystal oscillator. |
| 8 | P2.6/MCLK/XOUT | bidirectional | General-purpose I/O P2.6 with LVCMOS buffer; alternate functions are MCLK output and output terminal XOUT for the crystal oscillator. |
| 9 | P2.5/COMP1.0 | bidirectional | General-purpose I/O P2.5 with LVCMOS buffer; alternate function is eCOMP1 comparator input COMP1.0. |
| 10 | P2.4/COMP1.1 | bidirectional | General-purpose I/O P2.4 with LVCMOS buffer; alternate function is eCOMP1 comparator input COMP1.1. |
| 11 | P4.7/UCB1SOMI/UCB1SCL | bidirectional | General-purpose I/O P4.7 with LVCMOS buffer; alternate functions are eUSCI_B1 SOMI in SPI mode or SCL in I2C mode. |
| 12 | P4.6/UCB1SIMO/UCB1SDA | bidirectional | General-purpose I/O P4.6 with LVCMOS buffer; alternate functions are eUSCI_B1 SIMO in SPI mode or SDA in I2C mode. |
| 13 | P4.5/UCB1CLK | bidirectional | General-purpose I/O P4.5 with LVCMOS buffer; alternate function is eUSCI_B1 clock UCB1CLK. |
| 14 | P4.4/UCB1STE | bidirectional | General-purpose I/O P4.4 with LVCMOS buffer; alternate function is eUSCI_B1 STE. |
| 15 | P6.1/TB3.2 | bidirectional | General-purpose I/O P6.1 with LVCMOS buffer; alternate function is Timer_B3 capture/compare channel TB3.2. |
| 16 | P6.0/TB3.1 | bidirectional | General-purpose I/O P6.0 with LVCMOS buffer; alternate function is Timer_B3 capture/compare channel TB3.1. |
| 17 | P4.3/UCA1TXD/UCA1SIMO | bidirectional | General-purpose I/O P4.3 with LVCMOS buffer; alternate functions are eUSCI_A1 TXD in UART mode or SIMO in SPI mode. |
| 18 | P4.2/UCA1RXD/UCA1SOMI | bidirectional | General-purpose I/O P4.2 with LVCMOS buffer; alternate functions are eUSCI_A1 RXD in UART mode or SOMI in SPI mode. |
| 19 | P4.1/UCA1CLK | bidirectional | General-purpose I/O P4.1 with LVCMOS buffer; alternate function is eUSCI_A1 clock UCA1CLK. |
| 20 | P4.0/UCA1STE/ISOTXD/ISORXD | bidirectional | General-purpose I/O P4.0 with LVCMOS buffer; alternate functions are eUSCI_A1 STE, ISOTXD output and ISORXD input. |
| 21 | P2.3/TB1TRG | bidirectional | General-purpose I/O P2.3 with LVCMOS buffer; alternate function is Timer_B1 external trigger TB1TRG. |
| 22 | P2.2/TB1CLK | bidirectional | General-purpose I/O P2.2 with LVCMOS buffer; alternate function is Timer_B1 clock input TB1CLK. |
| 23 | P2.1/TB1.2/COMP1.O | bidirectional | General-purpose I/O P2.1 with LVCMOS buffer; alternate functions are Timer_B1 channel TB1.2 and eCOMP1 output COMP1.O. |
| 24 | P2.0/TB1.1/COMP0.O | bidirectional | General-purpose I/O P2.0 with LVCMOS buffer; alternate functions are Timer_B1 channel TB1.1 and eCOMP0 output COMP0.O. |
| 25 | P1.7/UCA0TXD/UCA0SIMO/TB0.2/TDO/A7/VREF+ | bidirectional | General-purpose I/O P1.7 with LVCMOS buffer; alternate functions are eUSCI_A0 TXD/SIMO, Timer_B0 channel TB0.2, JTAG TDO, ADC analog input A7 and VREF+. |
| 26 | P1.6/UCA0RXD/UCA0SOMI/TB0.1/TDI/TCLK/A6 | bidirectional | General-purpose I/O P1.6 with LVCMOS buffer; alternate functions are eUSCI_A0 RXD/SOMI, Timer_B0 channel TB0.1, JTAG TDI/TCLK and ADC analog input A6. |
| 27 | P1.5/UCA0CLK/TMS/A5 | bidirectional | General-purpose I/O P1.5 with LVCMOS buffer; alternate functions are eUSCI_A0 clock, JTAG TMS and ADC analog input A5. |
| 28 | P1.4/UCA0STE/TCK/A4 | bidirectional | General-purpose I/O P1.4 with LVCMOS buffer; alternate functions are eUSCI_A0 STE, JTAG TCK and ADC analog input A4. |
| 29 | P3.7 | bidirectional | General-purpose I/O P3.7 with LVCMOS buffer; the OA3+ analog function listed for MSP430FR235x is not available on MSP430FR215x, which has no SAC modules. |
| 30 | P3.6 | bidirectional | General-purpose I/O P3.6 with LVCMOS buffer; the OA3- analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 31 | P3.5 | bidirectional | General-purpose I/O P3.5 with LVCMOS buffer; the OA3O analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 32 | P3.4/SMCLK | bidirectional | General-purpose I/O P3.4 with LVCMOS buffer; alternate function is SMCLK output. |
| 33 | P5.1/TB2.2/MFM.TX/A9 | bidirectional | General-purpose I/O P5.1 with LVCMOS buffer; alternate functions are Timer_B2 channel TB2.2, Manchester function module transmit MFM.TX and ADC analog input A9. |
| 34 | P5.0/TB2.1/MFM.RX/A8 | bidirectional | General-purpose I/O P5.0 with LVCMOS buffer; alternate functions are Timer_B2 channel TB2.1, Manchester function module receive MFM.RX and ADC analog input A8. |
| 35 | P3.3 | bidirectional | General-purpose I/O P3.3 with LVCMOS buffer; the OA2+ analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 36 | P3.2 | bidirectional | General-purpose I/O P3.2 with LVCMOS buffer; the OA2- analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 37 | P3.1 | bidirectional | General-purpose I/O P3.1 with LVCMOS buffer; the OA2O analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 38 | P3.0/MCLK | bidirectional | General-purpose I/O P3.0 with LVCMOS buffer; alternate function is MCLK output. |
| 39 | P1.3/UCB0SOMI/UCB0SCL/A3 | bidirectional | General-purpose I/O P1.3 with LVCMOS buffer; alternate functions are eUSCI_B0 SOMI in SPI mode or SCL in I2C mode and ADC analog input A3. |
| 40 | P1.2/UCB0SIMO/UCB0SDA/TB0TRG/A2/Veref- | bidirectional | General-purpose I/O P1.2 with LVCMOS buffer; alternate functions are eUSCI_B0 SIMO in SPI mode or SDA in I2C mode, Timer_B0 trigger TB0TRG, ADC analog input A2 and ADC negative reference Veref-. |
| 41 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | QFN-40-EP(6x6) |
| Category | Embedded Processors & Controllers |
| Pins | 41 |
CAD (KiCad official)
- Symbol:
MSP430FR2155TRHAR - Footprint:
Package_DFN_QFN:QFN-40-1EP_6x6mm_P0.5mm_EP4.6x4.6mm - 3D model: QFN-40-EP(6x6) (KiCad packages3D, STEP)
- 3D model files:
msp430fr2155trhar-etched.step/msp430fr2155trhar-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);msp430fr2155trhar.step/msp430fr2155trhar.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (152 pp, sha256
f1ebe8a259a8e556, retrieved 2026-10-08, 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, primaryclaude-haiku-5-5(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).
# MSP430FR2155TRHAR
**Texas Instruments** · Microcontrollers (MCU/MPU/SOC) · QFN-40-EP(6x6)
MSP430FR2155TRHAR from Texas Instruments, in a QFN-40-EP(6x6). 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/UCB0CLK/ACLK/COMP0.1/A1 | bidirectional | General-purpose I/O P1.1 with LVCMOS buffer powered from DVCC and reset state OFF; alternate functions are eUSCI_B0 clock, ACLK output, eCOMP0 input COMP0.1 and ADC analog input A1. |
| 2 | P1.0/UCB0STE/SMCLK/COMP0.0/A0/Veref+ | bidirectional | General-purpose I/O P1.0 with LVCMOS buffer powered from DVCC and reset state OFF; alternate functions are eUSCI_B0 STE, SMCLK output, eCOMP0 input COMP0.0, ADC analog input A0 and ADC positive reference Veref+. |
| 3 | TEST/SBWTCK | input | TEST pin selects test/JTAG-related operation and carries the Spy-Bi-Wire clock SBWTCK; it always has an internal pulldown enabled, so it may be left open. |
| 4 | RST/NMI/SBWTDIO | bidirectional | Device reset pin (RST, reset default function) that can alternatively be configured as non-maskable interrupt NMI or Spy-Bi-Wire data I/O SBWTDIO; if unused, use a 47-kΩ pullup or the internal pullup with a 10-nF (or 1.1-nF) pulldown. |
| 5 | DVCC | power_in | Primary power supply pin for the digital and analog modules, specified from 1.8 V to 3.6 V, with 4.7 µF to 10 µF recommended capacitance at DVCC. |
| 6 | DVSS | power_in | Ground (VSS) supply pin for the digital and analog modules; the exposed thermal pad must also be connected to VSS. |
| 7 | P2.7/TB0CLK/XIN | bidirectional | General-purpose I/O P2.7 with LVCMOS buffer; alternate functions are Timer_B0 clock input TB0CLK and input terminal XIN for the crystal oscillator. |
| 8 | P2.6/MCLK/XOUT | bidirectional | General-purpose I/O P2.6 with LVCMOS buffer; alternate functions are MCLK output and output terminal XOUT for the crystal oscillator. |
| 9 | P2.5/COMP1.0 | bidirectional | General-purpose I/O P2.5 with LVCMOS buffer; alternate function is eCOMP1 comparator input COMP1.0. |
| 10 | P2.4/COMP1.1 | bidirectional | General-purpose I/O P2.4 with LVCMOS buffer; alternate function is eCOMP1 comparator input COMP1.1. |
| 11 | P4.7/UCB1SOMI/UCB1SCL | bidirectional | General-purpose I/O P4.7 with LVCMOS buffer; alternate functions are eUSCI_B1 SOMI in SPI mode or SCL in I2C mode. |
| 12 | P4.6/UCB1SIMO/UCB1SDA | bidirectional | General-purpose I/O P4.6 with LVCMOS buffer; alternate functions are eUSCI_B1 SIMO in SPI mode or SDA in I2C mode. |
| 13 | P4.5/UCB1CLK | bidirectional | General-purpose I/O P4.5 with LVCMOS buffer; alternate function is eUSCI_B1 clock UCB1CLK. |
| 14 | P4.4/UCB1STE | bidirectional | General-purpose I/O P4.4 with LVCMOS buffer; alternate function is eUSCI_B1 STE. |
| 15 | P6.1/TB3.2 | bidirectional | General-purpose I/O P6.1 with LVCMOS buffer; alternate function is Timer_B3 capture/compare channel TB3.2. |
| 16 | P6.0/TB3.1 | bidirectional | General-purpose I/O P6.0 with LVCMOS buffer; alternate function is Timer_B3 capture/compare channel TB3.1. |
| 17 | P4.3/UCA1TXD/UCA1SIMO | bidirectional | General-purpose I/O P4.3 with LVCMOS buffer; alternate functions are eUSCI_A1 TXD in UART mode or SIMO in SPI mode. |
| 18 | P4.2/UCA1RXD/UCA1SOMI | bidirectional | General-purpose I/O P4.2 with LVCMOS buffer; alternate functions are eUSCI_A1 RXD in UART mode or SOMI in SPI mode. |
| 19 | P4.1/UCA1CLK | bidirectional | General-purpose I/O P4.1 with LVCMOS buffer; alternate function is eUSCI_A1 clock UCA1CLK. |
| 20 | P4.0/UCA1STE/ISOTXD/ISORXD | bidirectional | General-purpose I/O P4.0 with LVCMOS buffer; alternate functions are eUSCI_A1 STE, ISOTXD output and ISORXD input. |
| 21 | P2.3/TB1TRG | bidirectional | General-purpose I/O P2.3 with LVCMOS buffer; alternate function is Timer_B1 external trigger TB1TRG. |
| 22 | P2.2/TB1CLK | bidirectional | General-purpose I/O P2.2 with LVCMOS buffer; alternate function is Timer_B1 clock input TB1CLK. |
| 23 | P2.1/TB1.2/COMP1.O | bidirectional | General-purpose I/O P2.1 with LVCMOS buffer; alternate functions are Timer_B1 channel TB1.2 and eCOMP1 output COMP1.O. |
| 24 | P2.0/TB1.1/COMP0.O | bidirectional | General-purpose I/O P2.0 with LVCMOS buffer; alternate functions are Timer_B1 channel TB1.1 and eCOMP0 output COMP0.O. |
| 25 | P1.7/UCA0TXD/UCA0SIMO/TB0.2/TDO/A7/VREF+ | bidirectional | General-purpose I/O P1.7 with LVCMOS buffer; alternate functions are eUSCI_A0 TXD/SIMO, Timer_B0 channel TB0.2, JTAG TDO, ADC analog input A7 and VREF+. |
| 26 | P1.6/UCA0RXD/UCA0SOMI/TB0.1/TDI/TCLK/A6 | bidirectional | General-purpose I/O P1.6 with LVCMOS buffer; alternate functions are eUSCI_A0 RXD/SOMI, Timer_B0 channel TB0.1, JTAG TDI/TCLK and ADC analog input A6. |
| 27 | P1.5/UCA0CLK/TMS/A5 | bidirectional | General-purpose I/O P1.5 with LVCMOS buffer; alternate functions are eUSCI_A0 clock, JTAG TMS and ADC analog input A5. |
| 28 | P1.4/UCA0STE/TCK/A4 | bidirectional | General-purpose I/O P1.4 with LVCMOS buffer; alternate functions are eUSCI_A0 STE, JTAG TCK and ADC analog input A4. |
| 29 | P3.7 | bidirectional | General-purpose I/O P3.7 with LVCMOS buffer; the OA3+ analog function listed for MSP430FR235x is not available on MSP430FR215x, which has no SAC modules. |
| 30 | P3.6 | bidirectional | General-purpose I/O P3.6 with LVCMOS buffer; the OA3- analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 31 | P3.5 | bidirectional | General-purpose I/O P3.5 with LVCMOS buffer; the OA3O analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 32 | P3.4/SMCLK | bidirectional | General-purpose I/O P3.4 with LVCMOS buffer; alternate function is SMCLK output. |
| 33 | P5.1/TB2.2/MFM.TX/A9 | bidirectional | General-purpose I/O P5.1 with LVCMOS buffer; alternate functions are Timer_B2 channel TB2.2, Manchester function module transmit MFM.TX and ADC analog input A9. |
| 34 | P5.0/TB2.1/MFM.RX/A8 | bidirectional | General-purpose I/O P5.0 with LVCMOS buffer; alternate functions are Timer_B2 channel TB2.1, Manchester function module receive MFM.RX and ADC analog input A8. |
| 35 | P3.3 | bidirectional | General-purpose I/O P3.3 with LVCMOS buffer; the OA2+ analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 36 | P3.2 | bidirectional | General-purpose I/O P3.2 with LVCMOS buffer; the OA2- analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 37 | P3.1 | bidirectional | General-purpose I/O P3.1 with LVCMOS buffer; the OA2O analog function listed for MSP430FR235x is not available on MSP430FR215x. |
| 38 | P3.0/MCLK | bidirectional | General-purpose I/O P3.0 with LVCMOS buffer; alternate function is MCLK output. |
| 39 | P1.3/UCB0SOMI/UCB0SCL/A3 | bidirectional | General-purpose I/O P1.3 with LVCMOS buffer; alternate functions are eUSCI_B0 SOMI in SPI mode or SCL in I2C mode and ADC analog input A3. |
| 40 | P1.2/UCB0SIMO/UCB0SDA/TB0TRG/A2/Veref- | bidirectional | General-purpose I/O P1.2 with LVCMOS buffer; alternate functions are eUSCI_B0 SIMO in SPI mode or SDA in I2C mode, Timer_B0 trigger TB0TRG, ADC analog input A2 and ADC negative reference Veref-. |
| 41 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | QFN-40-EP(6x6) |
| Category | Embedded Processors & Controllers |
| Pins | 41 |
## CAD (KiCad official)
- Symbol: `MSP430FR2155TRHAR`
- Footprint: `Package_DFN_QFN:QFN-40-1EP_6x6mm_P0.5mm_EP4.6x4.6mm`
- 3D model: QFN-40-EP(6x6) (KiCad packages3D, STEP)
- 3D model files: `msp430fr2155trhar-etched.step` / `msp430fr2155trhar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `msp430fr2155trhar.step` / `msp430fr2155trhar.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/msp430fr2355) (152 pp, sha256 `f1ebe8a259a8e556`, retrieved 2026-10-08, 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-5-5` (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/msp430fr2155trhar-datasheet.pdf)