# NUC980DK71YC

**Nuvoton Tech** · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-128(14x14)

NUC980DK71YC from Nuvoton Tech, in a LQFP-128(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 | USB0_ID | input | USB0 Host/Device identification with an internal pull-up (1: Device default, 0: Host). |
| 2 | PA.0 | bidirectional | General purpose digital I/O pin (MFP0); alternates include QSPI0_SS1, I2C0_SDA, UART1_RXD, EINT0, TM0_ECNT, CAN3_RXD. |
| 3 | PA.1 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_nCS2, EBI_MCLK, I2C0_SCL, UART1_TXD, EINT1, TM1_ECNT, CAN3_TXD. |
| 4 | PA.2 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART6_CTS, I2S_LRCK, SC0_CD, JTAG1_TDO, TM2_ECNT. |
| 5 | PA.3 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART6_RTS, I2S_BCLK, SC0_PWR, JTAG1_TCK, TM3_ECNT. |
| 6 | PA.4 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART6_RXD, I2S_DI, SC0_DAT, JTAG1_TMS, TM4_ECNT. |
| 7 | PA.5 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART6_TXD, I2S_DO, SC0_CLK, JTAG1_TDI, TM5_ECNT. |
| 8 | PA.6 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_nCS1, I2S_MCLK, SC0_RST, JTAG1_nTRST. |
| 9 | VDD33 | power_in | Power supply for I/O power pin. |
| 10 | VDD12 | power_in | Power supply for internal core power pin. |
| 11 | MVDD | power_in | Power supply for memory ports. |
| 12 | MVDD | power_in | Power supply for memory ports. |
| 13 | VDD12 | power_in | Power supply for internal core power pin. |
| 14 | PA.7 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_nWE, UART2_CTS, TM3_EXT. |
| 15 | PA.8 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_nRE, UART2_RTS, TM3_TGL. |
| 16 | PA.9 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_nCS0, UART2_RXD, TM2_EXT. |
| 17 | PA.10 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR10, UART2_TXD, TM2_TGL. |
| 18 | PA.11 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR9, UART8_RXD, TM4_EXT. |
| 19 | PA.12 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR8, UART8_TXD, TM4_TGL. |
| 20 | VDD33 | power_in | Power supply for I/O power pin. |
| 21 | PG.9 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR7, UART8_CTS, PWM13, and CFG.9 power-on setting input with internal pull-up active only during reset. |
| 22 | PG.8 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR6, UART8_RTS, PWM12, and CFG.8 power-on setting input with internal pull-up active only during reset. |
| 23 | PG.7 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR5, UART5_TXD, PWM11, and CFG.7 power-on setting input with internal pull-up active only during reset. |
| 24 | PG.6 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR4, UART5_RXD, PWM10, and CFG.6 power-on setting input with internal pull-up active only during reset. |
| 25 | PG.5 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR12, UART5_RTS, and CFG.5 power-on setting input with internal pull-up active only during reset. |
| 26 | PG.3 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR3, UART2_RTS, PWM03, and CFG.3 power-on setting input with internal pull-up active only during reset. |
| 27 | PG.1 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR1, UART2_TXD, PWM01, and CFG.1 power-on setting input with internal pull-up active only during reset. |
| 28 | PG.0 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR0, UART2_RXD, CLK_OUT, PWM00, and CFG.0 power-on setting input with internal pull-up active only during reset. |
| 29 | PB.0 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR12, UART2_CTS, ADC_AIN0. |
| 30 | PB.6 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR13, I2C1_SDA, I2S_LRCK, USBHL0_DM, UART7_TXD, SPI1_SS0, ADC_AIN6. |
| 31 | PB.4 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR14, I2C1_SCL, I2S_BCLK, USBHL0_DP, UART7_RXD, SPI1_CLK, ADC_AIN4. |
| 32 | AVSS | power_in | Ground pin for analog SAR-ADC. |
| 33 | AVDD33 | power_in | Power supply for analog SAR-ADC, DC 3.3V. |
| 34 | PB.7 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR15, I2C2_SDA, I2S_DI, USBHL0_DM, UART7_CTS, SPI1_MOSI, ADC_AIN7. |
| 35 | PB.5 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR16, I2C2_SCL, I2S_DO, USBHL0_DP, UART7_RTS, SPI1_MISO, ADC_AIN5. |
| 36 | PB.1 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR17, I2C3_SDA, I2S_MCLK, CAN2_RXD, TM0_EXT, SPI1_SS1, UART9_TXD, ADC_AIN1. |
| 37 | PB.3 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR18, I2C3_SCL, EINT2, CAN2_TXD, TM0_TGL, SPI0_SS1, UART9_RXD, ADC_AIN3. |
| 38 | PB.2 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR2, UART9_RTS, ADC_AIN2. |
| 39 | VBAT33 | power_in | Power supply by batteries for RTC. |
| 40 | X32_IN | input | External 32.768 kHz crystal input pin. |
| 41 | X32_OUT | output | External 32.768 kHz crystal output pin. |
| 42 | PB.8 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_ADDR11, I2C2_SCL, CAN2_RXD, UART8_TXD, SD0_nCD, TM0_EXT. |
| 43 | VDD12 | power_in | Power supply for internal core power pin. |
| 44 | PC.0 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA0, I2C2_SDA, CAN2_TXD, UART8_RXD, SPI0_SS1, TM0_TGL. |
| 45 | PC.1 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA1, NAND_nCS0, UART7_TXD. |
| 46 | PC.2 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA2, NAND_nWP, UART7_RXD. |
| 47 | PC.3 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA3, VCAP0_CLKO, NAND_ALE, I2C1_SCL, UART3_TXD, CAN0_RXD. |
| 48 | PC.4 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA4, VCAP0_PCLK, NAND_CLE, I2C1_SDA, UART3_RXD, SPI0_MOSI, CAN0_TXD. |
| 49 | PC.5 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA5, VCAP0_HSYNC, NAND_nWE, SPI0_SS0, SD0_CMD/eMMC0_CMD, UART1_TXD. |
| 50 | PC.6 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA6, VCAP0_VSYNC, NAND_nRE, SC1_RST, SPI0_CLK, SD0_CLK/eMMC0_CLK, UART1_RXD. |
| 51 | PC.7 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA7, VCAP0_FIELD, NAND_RDY0, SC1_CLK, SPI0_MOSI, SD0_DATA0/eMMC0_DATA0, UART1_RTS. |
| 52 | PC.8 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA8, VCAP0_DATA0, NAND_DATA0, SC1_DAT, SPI0_MISO, SD0_DATA1/eMMC0_DATA1, UART1_CTS. |
| 53 | PC.9 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA9, VCAP0_DATA1, NAND_DATA1, SC1_PWR, SD0_DATA2/eMMC0_DATA2, UART4_TXD. |
| 54 | PC.10 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA10, VCAP0_DATA2, NAND_DATA2, SC1_CD, SD0_DATA3/eMMC0_DATA3, UART4_RXD. |
| 55 | PC.11 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA11, VCAP0_DATA3, NAND_DATA3, SC0_RST. |
| 56 | PC.12 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA12, VCAP0_DATA4, NAND_DATA4, SC0_CLK, SD0_nCD, UART8_TXD. |
| 57 | PC.13 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA13, VCAP0_DATA5, NAND_DATA5, SC0_DAT, UART8_RXD. |
| 58 | PC.14 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA14, VCAP0_DATA6, NAND_DATA6, SC0_PWR, SPI0_MOSI, UART8_RTS. |
| 59 | PC.15 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EBI_DATA15, VCAP0_DATA7, NAND_DATA7, SC0_CD, UART8_CTS. |
| 60 | VDD33 | power_in | Power supply for I/O power pin. |
| 61 | PD.2 | bidirectional | General purpose digital I/O pin (MFP0); alternates include QSPI0_SS0 (booting), UART3_TXD, TM4_EXT. |
| 62 | PD.3 | bidirectional | General purpose digital I/O pin (MFP0); alternates include QSPI0_CLK (booting), UART3_RXD, TM4_TGL. |
| 63 | PD.4 | bidirectional | General purpose digital I/O pin (MFP0); alternates include QSPI0_MOSI0 (booting), UART3_RTS, TM5_EXT. |
| 64 | VSS | power_in | Ground pin for digital circuit. |
| 65 | PD.5 | bidirectional | General purpose digital I/O pin (MFP0); alternates include QSPI0_MISO0 (booting), UART3_CTS, TM5_TGL. |
| 66 | PD.6 | bidirectional | General purpose digital I/O pin (MFP0); alternates include QSPI0_MOSI1 (booting), UART2_TXD, TM0_ECNT, CAN0_RXD. |
| 67 | PD.7 | bidirectional | General purpose digital I/O pin (MFP0); alternates include QSPI0_MISO1 (booting), UART2_RXD, TM1_ECNT, CAN0_TXD. |
| 68 | PD.8 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI0_SS0, UART6_CTS, TM2_ECNT. |
| 69 | PD.9 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI0_CLK, UART6_RTS, TM3_ECNT. |
| 70 | PD.10 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI0_MOSI, UART6_TXD, TM4_ECNT. |
| 71 | PD.11 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI0_MISO, UART6_RXD, TM5_ECNT. |
| 72 | PD.12 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART4_TXD, TM2_TGL, CAN2_RXD, PWM00, EBI_DATA1. |
| 73 | PD.13 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART4_RXD, TM2_EXT, CAN2_TXD, PWM01, EBI_DATA2. |
| 74 | PD.14 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART4_RTS, TM3_TGL, I2C3_SCL, CAN1_RXD, USBHL0_DM, PWM02, EBI_DATA3. |
| 75 | PD.15 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART4_CTS, TM3_EXT, I2C3_SDA, CAN1_TXD, USBHL0_DP, PWM03, EBI_DATA4. |
| 76 | PG.11 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI1_SS0, TM1_TGL, CAN0_RXD, UART5_CTS, PWM10, JTAG0_TDO. |
| 77 | PG.12 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI1_CLK, TM1_EXT, CAN0_TXD, UART5_RTS, PWM11, JTAG0_TCK. |
| 78 | PG.13 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI1_MOSI, CAN1_RXD, UART5_RXD, PWM12, JTAG0_TMS. |
| 79 | PG.14 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI1_MISO, CAN1_TXD, UART5_TXD, PWM13, JTAG0_TDI. |
| 80 | PG.15 | bidirectional | General purpose digital I/O pin (MFP0); alternates include SPI0_SS1, SPI1_SS1, EINT3, JTAG0_nTRST. |
| 81 | nRESET | input | External reset input, active LOW with internal pull-up; setting this pin low resets the chip to initial state (MFP1 is WDT_nRST watchdog reset trigger output). |
| 82 | VDD12 | power_in | Power supply for internal core power pin. |
| 83 | MVDD | power_in | Power supply for memory ports. |
| 84 | MVDD | power_in | Power supply for memory ports. |
| 85 | VDD33 | power_in | Power supply for I/O power pin. |
| 86 | PF.0 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_RXERR, SD1_CMD/eMMC1_CMD, TM0_ECNT, SC1_RST, UART7_CTS, USBHL1_DM, EBI_DATA5. |
| 87 | PF.1 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_CRSDV, SD1_CLK/eMMC1_CLK, TM1_ECNT, SC1_CLK, UART7_RTS, USBHL1_DP, EBI_DATA6. |
| 88 | PF.2 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_RXD1, SD1_DATA0/eMMC1_DATA0, TM2_ECNT, SC1_DAT, UART7_RXD, USBHL2_DM, EBI_DATA7. |
| 89 | PF.3 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_RXD0, SD1_DATA1/eMMC1_DATA1, TM3_ECNT, SC1_PWR, UART7_TXD, USBHL2_DP, EBI_DATA8. |
| 90 | PF.4 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_REFCLK, SD1_DATA2/eMMC1_DATA2, TM4_ECNT, SC1_CD, UART3_CTS, USBHL3_DM, EBI_DATA9. |
| 91 | PF.5 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_TXEN, SD1_DATA3/eMMC1_DATA3, TM5_ECNT, PWM00, UART3_RTS, USBHL3_DP, EBI_DATA10. |
| 92 | PF.6 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_TXD1, SD1_nCD, TM4_EXT, PWM01, UART3_RXD, USBHL4_DM, EBI_DATA11. |
| 93 | PB.13 | bidirectional | General purpose digital I/O pin (MFP0); alternates include EINT2, TM4_TGL, PWM02, UART3_TXD, USBHL4_DP, EBI_DATA0. |
| 94 | VDD12 | power_in | Power supply for internal core power pin. |
| 95 | VSS | power_in | Ground pin for digital circuit. |
| 96 | PF.7 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_TXD0, UART1_CTS, TM5_EXT, PWM02, UART3_TXD, USBHL4_DP, EBI_DATA12. |
| 97 | PF.8 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_MDIO, UART1_RTS, TM1_TGL, PWM03, USBHL5_DM, EBI_DATA13. |
| 98 | PF.9 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII1_MDC, UART1_RXD, TM1_EXT, PWM10, USBHL5_DP, EBI_DATA14. |
| 99 | PF.10 | bidirectional | General purpose digital I/O pin (MFP0); alternates include UART1_TXD, TM5_TGL, PWM11, VCAP1_PCLK, EBI_DATA15. |
| 100 | PF.11 | bidirectional | General purpose digital I/O pin (MFP0); MFP1 is UART0_RXD data receiver input. |
| 101 | PF.12 | bidirectional | General purpose digital I/O pin (MFP0); MFP1 is UART0_TXD data transmitter output. |
| 102 | VDD33 | power_in | Power supply for I/O power pin. |
| 103 | XT_IN | input | External 12 MHz crystal input pin. |
| 104 | XT_OUT | output | External 12 MHz crystal output pin. |
| 105 | PE.0 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_RXERR, CAN0_RXD, UART4_CTS, USBHL1_DM, VCAP1_HSYNC. |
| 106 | PE.1 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_CRSDV, CAN0_TXD, UART4_RTS, USBHL1_DP, VCAP1_VSYNC. |
| 107 | PE.2 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_RXD1, CAN1_RXD, UART4_RXD, USBHL2_DM, VCAP1_DATA0. |
| 108 | PE.3 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_RXD0, CAN1_TXD, UART4_TXD, USBHL2_DP, VCAP1_DATA1. |
| 109 | PE.4 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_REFCLK, CAN2_RXD, UART9_CTS, USBHL3_DM, VCAP1_DATA2. |
| 110 | PE.5 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_TXEN, CAN2_TXD, UART9_RTS, USBHL3_DP, VCAP1_DATA3. |
| 111 | PE.6 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_TXD1, CAN3_RXD, UART9_RXD, USBHL4_DM, VCAP1_DATA4. |
| 112 | PE.7 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_TXD0, CAN3_TXD, UART9_TXD, USBHL4_DP, VCAP1_DATA5. |
| 113 | PE.8 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_MDIO, UART6_RXD, USBHL5_DM, VCAP1_DATA6. |
| 114 | PE.9 | bidirectional | General purpose digital I/O pin (MFP0); alternates include RMII0_MDC, UART6_TXD, USBHL5_DP, VCAP1_DATA7. |
| 115 | PE.10 | bidirectional | General purpose digital I/O pin (MFP0); alternates include USB_OVC, CAN3_RXD, UART9_RXD, PWM12, EINT2, I2C0_SDA, VCAP1_FIELD. |
| 116 | PE.11 | bidirectional | General purpose digital I/O pin (MFP0); MFP1 is USB0_VBUSVLD USB0 VBUS valid indication input. |
| 117 | PE.12 | bidirectional | General purpose digital I/O pin (MFP0); alternates include USBH_PWREN, CAN3_TXD, UART9_TXD, PWM13, EINT3, I2C0_SCL, VCAP1_CLKO. |
| 118 | VDD12 | power_in | Power supply for internal core power pin. |
| 119 | USB1_DM | bidirectional | USB1 differential signal D-. |
| 120 | USB1_DP | bidirectional | USB1 differential signal D+. |
| 121 | VUSB1_VDD33 | power_in | Power supply for USB1 VDD33. |
| 122 | USB1_REXT | passive | USB1 module reference resistor pin (external 12.1K to GND). |
| 123 | VUSB0_VDD12 | power_in | Power supply for USB0 VDD12. |
| 124 | USB0_DM | bidirectional | USB0 differential signal D-. |
| 125 | USB0_DP | bidirectional | USB0 differential signal D+. |
| 126 | VUSB0_VDD33 | power_in | Power supply for USB0 VDD33. |
| 127 | USB0_REXT | passive | USB0 module reference resistor pin (external 12.1K to GND). |
| 128 | VSS | power_in | Ground pin for digital circuit. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Nuvoton Tech |
| Package | LQFP-128(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 128 |

## CAD (KiCad official)

- Symbol: `NUC980DK71YC`
- Footprint: `Package_QFP:LQFP-128_14x14mm_P0.4mm`
- 3D model: LQFP-128(14x14) (KiCad packages3D, STEP)
- 3D model files: `nuc980dk71yc-etched.step` / `nuc980dk71yc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `nuc980dk71yc.step` / `nuc980dk71yc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Nuvoton Tech datasheet](docs/nuc980dk71yc-datasheet.pdf) (246 pp, sha256 `18f189812eb1ac0a`, retrieved 2026-10-26, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/nuc980dk71yc-datasheet.pdf)