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MSP430G2553IPW0RQ1
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Texas Instruments Microcontrollers (MCU/MPU/SOC), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+56@@ -0,0 +1,56 @@+# MSP430G2553IPW0RQ1++**Texas Instruments** · Microcontrollers (MCU/MPU/SOC) · TSSOP-20++MSP430G2553IPW0RQ1 from Texas Instruments, in a TSSOP-20. 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 | DVCC | power_in | Digital supply voltage; the Features list gives the low supply-voltage range as 1.8 V to 3.6 V. |+| 2 | P1.0/TA0CLK/ACLK/A0/CA0 | bidirectional | General-purpose digital I/O P1.0, also Timer0_A TACLK input, ACLK output, ADC10 analog input A0 and Comparator_A+ input CA0. |+| 3 | P1.1/TA0.0/UCA0RXD/UCA0SOMI/A1/CA1 | bidirectional | General-purpose digital I/O P1.1, also Timer0_A CCI0A capture / Out0 compare, USCI_A0 UART receive data input or SPI slave out/master in, ADC10 input A1 and comparator input CA1. |+| 4 | P1.2/TA0.1/UCA0TXD/UCA0SIMO/A2/CA2 | bidirectional | General-purpose digital I/O P1.2, also Timer0_A CCI1A capture / Out1 compare, USCI_A0 UART transmit data output or SPI slave in/master out, ADC10 input A2 and comparator input CA2. |+| 5 | P1.3/ADC10CLK/CAOUT/VREF-/VEREF-/A3/CA3 | bidirectional | General-purpose digital I/O P1.3, also ADC10 conversion clock output, ADC10 input A3, ADC10 negative reference VREF-/VEREF-, comparator input CA3 and Comparator_A+ output CAOUT. |+| 6 | P1.4/SMCLK/UCB0STE/UCA0CLK/VREF+/VEREF+/A4/CA4/TCK | bidirectional | General-purpose digital I/O P1.4, also SMCLK output, USCI_B0 slave transmit enable, USCI_A0 clock input/output, ADC10 input A4, ADC10 positive reference VREF+/VEREF+, comparator input CA4 and JTAG test clock TCK for device programming and test. |+| 7 | P1.5/TA0.0/UCB0CLK/UCA0STE/A5/CA5/TMS | bidirectional | General-purpose digital I/O P1.5, also Timer0_A compare Out0, USCI_B0 clock input/output, USCI_A0 slave transmit enable, ADC10 input A5, comparator input CA5 and JTAG test mode select TMS. |+| 8 | P2.0/TA1.0 | bidirectional | General-purpose digital I/O P2.0, also Timer1_A CCI0A capture input and Out0 compare output. |+| 9 | P2.1/TA1.1 | bidirectional | General-purpose digital I/O P2.1, also Timer1_A CCI1A capture input and Out1 compare output. |+| 10 | P2.2/TA1.1 | bidirectional | General-purpose digital I/O P2.2, also Timer1_A CCI1B capture input and Out1 compare output. |+| 11 | P2.3/TA1.0 | bidirectional | General-purpose digital I/O P2.3, also Timer1_A CCI0B capture input and Out0 compare output. |+| 12 | P2.4/TA1.2 | bidirectional | General-purpose digital I/O P2.4, also Timer1_A CCI2A capture input and Out2 compare output. |+| 13 | P2.5/TA1.2 | bidirectional | General-purpose digital I/O P2.5, also Timer1_A CCI2B capture input and Out2 compare output. |+| 14 | P1.6/TA0.1/A6/CA6/UCB0SOMI/UCB0SCL/TDI/TCLK | bidirectional | General-purpose digital I/O P1.6, also Timer0_A compare Out1, ADC10 input A6, comparator input CA6, USCI_B0 SPI slave out/master in or I2C SCL, and JTAG TDI/TCLK input during programming and test. |+| 15 | P1.7/CAOUT/A7/CA7/UCB0SIMO/UCB0SDA/TDO/TDI | bidirectional | General-purpose digital I/O P1.7, also Comparator_A+ output CAOUT, ADC10 input A7, comparator input CA7, USCI_B0 SPI slave in/master out or I2C SDA, and JTAG TDO/TDI terminal during programming and test. |+| 16 | RST/NMI/SBWTDIO | input | Device reset, nonmaskable interrupt input (NMI), and Spy-Bi-Wire test data input/output during programming and test. |+| 17 | TEST/SBWTCK | input | Selects test mode for the JTAG pins on Port 1; the device protection fuse is connected to TEST, and it is the Spy-Bi-Wire test clock input during programming and test. |+| 18 | XOUT/P2.7 | bidirectional | Output terminal of the crystal oscillator, also general-purpose digital I/O P2.7; if used as an input, excess current flows until P2SEL.7 is cleared because the oscillator output driver is connected after reset. |+| 19 | XIN/P2.6/TA0.1 | bidirectional | Input terminal of the crystal oscillator, also general-purpose digital I/O P2.6 with Timer0_A compare Out1 output. |+| 20 | DVSS | power_in | Ground reference for the digital supply. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-20 |+| Category | Embedded Processors & Controllers |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `MSP430G2553IPW0RQ1`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (KiCad packages3D, STEP)+- 3D model files: `msp430g2553ipw0rq1-etched.step` / `msp430g2553ipw0rq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `msp430g2553ipw0rq1.step` / `msp430g2553ipw0rq1.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/msp430g2553-q1) (69 pp, sha256 `2680991a33f1b05c`, retrieved 2026-10-07, tier: lcsc)+- **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/msp430g2553ipw0rq1-datasheet.pdf)
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the Features list gives the low supply-voltage range as 1.8 V to 3.6 V."+ },+ {+ "number": "2",+ "name": "P1.0/TA0CLK/ACLK/A0/CA0",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.0, also Timer0_A TACLK input, ACLK output, ADC10 analog input A0 and Comparator_A+ input CA0."+ },+ {+ "number": "3",+ "name": "P1.1/TA0.0/UCA0RXD/UCA0SOMI/A1/CA1",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.1, also Timer0_A CCI0A capture / Out0 compare, USCI_A0 UART receive data input or SPI slave out/master in, ADC10 input A1 and comparator input CA1."+ },+ {+ "number": "4",+ "name": "P1.2/TA0.1/UCA0TXD/UCA0SIMO/A2/CA2",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.2, also Timer0_A CCI1A capture / Out1 compare, USCI_A0 UART transmit data output or SPI slave in/master out, ADC10 input A2 and comparator input CA2."+ },+ {+ "number": "5",+ "name": "P1.3/ADC10CLK/CAOUT/VREF-/VEREF-/A3/CA3",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.3, also ADC10 conversion clock output, ADC10 input A3, ADC10 negative reference VREF-/VEREF-, comparator input CA3 and Comparator_A+ output CAOUT."+ },+ {+ "number": "6",+ "name": "P1.4/SMCLK/UCB0STE/UCA0CLK/VREF+/VEREF+/A4/CA4/TCK",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.4, also SMCLK output, USCI_B0 slave transmit enable, USCI_A0 clock input/output, ADC10 input A4, ADC10 positive reference VREF+/VEREF+, comparator input CA4 and JTAG test clock TCK for device programming and test."+ },+ {+ "number": "7",+ "name": "P1.5/TA0.0/UCB0CLK/UCA0STE/A5/CA5/TMS",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.5, also Timer0_A compare Out0, USCI_B0 clock input/output, USCI_A0 slave transmit enable, ADC10 input A5, comparator input CA5 and JTAG test mode select TMS."+ },+ {+ "number": "8",+ "name": "P2.0/TA1.0",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P2.0, also Timer1_A CCI0A capture input and Out0 compare output."+ },+ {+ "number": "9",+ "name": "P2.1/TA1.1",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P2.1, also Timer1_A CCI1A capture input and Out1 compare output."+ },+ {+ "number": "10",+ "name": "P2.2/TA1.1",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P2.2, also Timer1_A CCI1B capture input and Out1 compare output."+ },+ {+ "number": "11",+ "name": "P2.3/TA1.0",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P2.3, also Timer1_A CCI0B capture input and Out0 compare output."+ },+ {+ "number": "12",+ "name": "P2.4/TA1.2",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P2.4, also Timer1_A CCI2A capture input and Out2 compare output."+ },+ {+ "number": "13",+ "name": "P2.5/TA1.2",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P2.5, also Timer1_A CCI2B capture input and Out2 compare output."+ },+ {+ "number": "14",+ "name": "P1.6/TA0.1/A6/CA6/UCB0SOMI/UCB0SCL/TDI/TCLK",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.6, also Timer0_A compare Out1, ADC10 input A6, comparator input CA6, USCI_B0 SPI slave out/master in or I2C SCL, and JTAG TDI/TCLK input during programming and test."+ },+ {+ "number": "15",+ "name": "P1.7/CAOUT/A7/CA7/UCB0SIMO/UCB0SDA/TDO/TDI",+ "type": "bidirectional",+ "description": "General-purpose digital I/O P1.7, also Comparator_A+ output CAOUT, ADC10 input A7, comparator input CA7, USCI_B0 SPI slave in/master out or I2C SDA, and JTAG TDO/TDI terminal during programming and test."+ },+ {+ "number": "16",+ "name": "RST/NMI/SBWTDIO",+ "type": "input",+ "description": "Device reset, nonmaskable interrupt input (NMI), and Spy-Bi-Wire test data input/output during programming and test."+ },+ {+ "number": "17",+ "name": "TEST/SBWTCK",+ "type": "input",+ "description": "Selects test mode for the JTAG pins on Port 1; the device protection fuse is connected to TEST, and it is the Spy-Bi-Wire test clock input during programming and test."+ },+ {+ "number": "18",+ "name": "XOUT/P2.7",+ "type": "bidirectional",+ "description": "Output terminal of the crystal oscillator, also general-purpose digital I/O P2.7; if used as an input, excess current flows until P2SEL.7 is cleared because the oscillator output driver is connected after reset."+ },+ {+ "number": "19",+ "name": "XIN/P2.6/TA0.1",+ "type": "bidirectional",+ "description": "Input terminal of the crystal oscillator, also general-purpose digital I/O P2.6 with Timer0_A compare Out1 output."+ },+ {+ "number": "20",+ "name": "DVSS",+ "type": "power_in",+ "description": "Ground reference for the digital supply."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet table lists RST/NMI/SBWTDIO and TEST/SBWTCK as input-only (I). SBWTDIO is described as; XIN and XOUT are crystal oscillator terminals with port functions. They are typed bidirectional here; The supply pin descriptions give no absolute limits. The 1.8 V to 3.6 V range comes from the Feature"+ ],+ "pages_sent": 31,+ "cost_usd": 0.1438,+ "at": "2026-10-07T22:10:00"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/msp430g2553-q1",+ "pages": 69,+ "sha256": "2680991a33f1b05c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 20,+ "described": 20,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "msp430g2553ipw0rq1.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 6.5,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "msp430g2553ipw0rq1-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 6.5,+ 1.2+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "aed5f8532e64c37dadc7b8a19c4b9b320fdb967b46d6bf4696bccb2da2c8282b",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}