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{| class="wikitable sortable" border="1"
|-
! Value || Name || [[#GpioPadDescriptor|GpioPadDescriptor]] || DeviceCode || Tegra (port, pin) || Usage Description || Direction || Used by (services) || Used by (hardware)
|-
| 0x01 || CodecLdoEnTemp || 0xCC || 0x33000002 || Z, 4 || Audio Codec (ALC5639) Power (CODEC_LDO_EN_TEMP) || Out || [[Audio services]], [[Fatal services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x02 || PowSdEn || 0x24 || 0x3C000001 || E, 4 || SDCard Power (POW_SD_EN) || Out || [[PCV services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x03 || BtRst || 0x3C || 0x37000002 || H, 4 || Bluetooth Reset (BT_RST_PH4) || Out || [[Bluetooth Driver services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x04 || RamCode3 || 0xDA || 0xC9000402 || BB, 2 || Secondary Boot Device Configration (RAM_CODE3) || In || || Icosa, Iowa
|-
| 0x05 || GameCardReset || 0xDB || 0x3C000402 || BB, 3 || Gamecard Reset (GC_RST) || Out || [[Filesystem services]] || Icosa, Copper, Hoag, Iowa, Unknown
|-
| 0x06 || CodecAlert || 0xDC || 0x33000003 || BB, 4 || Audio Codec (ALC5639) Alert (CODEC_ALERT) || In || [[Audio services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x07 || PowGc || 0x25 || 0x3C000401 || E, 5 || Gamecard Power (POW_GC) || Out || || Icosa, Copper
|-
| 0x08 || DebugControllerDet || 0x90 || 0x350000CA || S, 0 || Debug Pad Detect (DEBUG_CONTROLLER_DET) || In || [[HID services]] || Icosa, Iowa
|-
| 0x09 || BattChgStatus || 0x91 || 0x39000407 || S, 1 || Battery Charge Status (BATT_CHG_STATUS) || In || || Icosa, Hoag, Iowa, Unknown
|-
| 0x0A || BattChgEnableN || 0x96 || 0x39000003 || S, 6 || Charger IC (BQ24193) Charge Enable (BATT_CHG_ENABLE_N) || Out || [[PTM services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x0B || FanTach || 0x97 || 0x3D000002 || S, 7 || Fan Tachometer (FAN_TACH) || In || || Icosa, Hoag, Iowa, Calcio, Unknown
|-
| 0x0C || ExtconDetS || 0x26 || 0x3500040B || E, 6 || Joy-Con(L) IsAttached (insertion, Joy-Con pin 5/console TX, pulled low on insert) (EXTCON_DET_S) || In || [[HID services]], [[AM services]] || Icosa, Iowa, Unknown
|-
| 0x0D || Vdd50AEn || 0x05 || 0x39000401 || A, 5 || Fan and Joy-Con Rails Power (Battery - BQ24193 5V) (VDD50A_EN) || Out || [[PTM services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x0E || SdevCoaxSel1 || 0x78 || 0xCA000402 || P, 0 || SDEV Coax Select (SDEV_COAX_SEL_1) || In || || Icosa, Iowa
|-
| 0x0F || GameCardCd || 0x93 || 0x3C000403 || S, 3 || Gamecard Card Detect (GC_CD) || In || [[Filesystem services]], [[AM services]] || Icosa, Copper, Hoag, Iowa, Unknown
|-
| 0x10 || ProdType0 || 0x7D || 0xC900040B || P, 5 || PROD_TYPE_0 || In || || Icosa, Copper, Iowa
|-
| 0x11 || ProdType1 || 0x7C || 0xC900040C || P, 4 || PROD_TYPE_1 || In || || Icosa, Copper, Iowa
|-
| 0x12 || ProdType2 || 0x7B || 0xC900040D || P, 3 || PROD_TYPE_2 || In || || Icosa, Copper, Iowa
|-
| 0x13 || ProdType3 || 0x7A || 0xC900040E || P, 2 || PROD_TYPE_3 || In || || Icosa, Copper, Iowa
|-
| 0x14 || TempAlert || 0xBC || 0x3E000002 || X, 4 || Temperature Sensor (TEMP_ALERT) || In || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x15 || CodecHpDetIrq || 0xAE || 0x33000004 || V, 6 || Audio Codec (ALC5639) Headphone Detect (CODEC_HP_DET_IRQ) || In || [[Audio services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x16 || MotionInt || 0xBA || 0x35000041 || X, 2 || MOTION_INT_PX2 || In || || Icosa, Hoag, Iowa, Unknown
|-
| 0x17 || TpIrq || 0xB9 || 0x35000036 || X, 1 || TouchPanel IRQ (TP_IRQ) || In || [[HID services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x18 || ButtonSleep2 || 0xBD || 0x35000001 || X, 5 || Power Button (BUTTON_POWER_ON_PX5) || In || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x19 || ButtonVolUp || 0xBE || 0x35000002 || X, 6 || Volume Up (BUTTON_VOL_UP_PX6) || In || [[Boot2]], [[Audio services]], [[Fatal services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x1A || ButtonVolDn || 0xBF || 0x35000003 || X, 7 || Volume Down (BUTTON_VOL_DOWN_PX7) || In || [[Boot2]], [[Audio services]] || Icosa, Copper, Hoag, Iowa, Calcio , Unknown
|-
| 0x1B || BattMgicIrq || 0xC0 || 0x39000034 || Y, 0 || Fuel Gauge IC (MAX17050) IRQ (BATT_MGIC_IRQ) || In || [[PTM services]], [[AM services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x1C || RecoveryKey || 0xC1 || 0x35000004 || Y, 1 || Recovery Mode Key (BUTTON_HOME_PY1) || In || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x1D || PowLcdBlEn || 0xA9 || 0x3400003E || V, 1 || Backlight Enable (LCD_BL_EN_PV1) || Out || [[NV services]], [[Backlight services]] || Icosa, Hoag, Iowa
|-
| 0x1E || LcdReset || 0xAA || 0x34000033 || V, 2 || Backlight Reset (LCD_RST_PV2) || Out || [[NV services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x1F || PdVconnEn || 0x55 || 0x040000CC || K, 5 || USB-PD Controller (RHOM BM92T30MWV) VCONN Power (PD_VCONN_EN) || Out || [[PTM services]], [[USB services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x20 || PdRstN || 0xAD || 0x040000CA || V, 5 || USB-PD Controller (RHOM BM92T30MWV) Reset (PD_RST) || Out || [[USB services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x21 || Bq24190Irq || 0xC8 || 0x39000002 || Z, 0 || Charger IC (BQ24193) IRQ (BQ24193_IRQ) || In || [[PTM services]], [[AM services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x22 || SdevCoaxSel0 || 0xCA || 0xCA000401 || Z, 2 || SDEV Coax Select (SDEV_COAX_SEL_0) || In || || Icosa, Iowa
|-
| 0x23 || SdWp || 0xCB || 0x3C000003 || Z, 3 || SDCard Write Protect (SD_WP) || In || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x24 || TpReset || 0x4F || 0x35000035 || J, 7 || TouchPanel Reset (TP_RST) || Out || [[HID services]] || Icosa, Hoag, Iowa, Unknown
|-
| 0x25 || BtGpio2 || 0x50 || 0x37000401 || K, 0 || BT_GPIO_2 || In || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x26 || BtGpio3 || 0x51 || 0x37000402 || K, 1 || BT_GPIO_3 || In || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x27 || BtGpio4 || 0x52 || 0x37000403 || K, 2 || BT_GPIO_4 || In || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x28 || CradleIrq || 0x54 || 0x040000CB || K, 4 || USB-PD Controller (RHOM BM92T30MWV) IRQ (PD_IRQ) || In || [[USB services]], [[AM services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x29 || PowVcpuInt || 0x56 || 0x3E000003 || K, 6 || POW_VCPU_INT || In || || Icosa, Copper, Unknown
|-
| 0x2A || Max77621GpuInt || 0x57 || 0x3E000004 || K, 7 || MAX77621_GPU_INT || In || || Icosa, Copper
|-
| 0x2B || ExtconChgU || 0x53 || 0x35000402 || K, 3 || Joy-Con(R) Charge (EXTCON_CHG_U) || Out || [[HID services]] || Icosa, Iowa, Unknown
|-
| 0x2C || ExtconChgS || 0xE3 || 0x3500040C || CC, 3 || Joy-Con(L) Charge (EXTCON_CHG_S) || Out || [[HID services]] || Icosa, Iowa, Unknown
|-
| 0x2D || WifiRfDisable || 0x38 || 0x38000003 || H, 0 || WIFI_RF_DISABLE || Out || || Icosa, Copper, Hoag, Iowa, Calcio
|-
| 0x2E || WifiReset || 0x39 || 0x38000002 || H, 1 || WiFi Reset (WIFI_RST_PH1) || Out || [[WLAN services]], [[PCIe services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x2F || ApWakeBt || 0x3B || 0x37000003 || H, 3 || AP_WAKE_BT_PH3 || Out || [[Bluetooth Driver services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x30 || BtWakeAp || 0x3D || 0x37000004 || H, 5 || BT_WAKE_AP || In || [[AM services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x31 || BtGpio5 || 0x3F || 0x37000404 || H, 7 || BT_GPIO_5 || Out || || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x32 || PowLcdVddPEn || 0x40 || 0x34000034 || I, 0 || Backlight +5V (LCD_VDD_P_EN) || Out || [[NV services]] || Icosa, Hoag, Iowa
|-
| 0x33 || PowLcdVddNEn || 0x41 || 0x34000035 || I, 1 || Backlight -5V (LCD_VDD_N_EN) || Out || [[NV services]] || Icosa, Hoag, Iowa
|-
| 0x34 || ExtconDetU || 0x3E || 0x35000401 || H, 6 || Joy-Con(R) IsAttached (insertion, Joy-Con pin 5/console TX, pulled low on insert) (EXTCON_DET_U) || In || [[HID services]], [[AM services]] || Icosa, Iowa, Unknown
|-
| 0x35 || RamCode2 || 0xE2 || 0xC9000401 || CC, 2 || Secondary Boot Device Configration (RAM_CODE2) || In || || Icosa, Iowa
|-
| 0x36 || Vdd50BEn || 0xE4 || 0x39000402 || CC, 4 || Fan and Joy-Con Rails Power (USB 5V) (VDD50B_EN) || Out || [[PTM services]] || Icosa, Iowa
|-
| 0x37 || WifiWakeHost || 0x3A || 0x38000004 || H, 2 || WIFI_WAKE_HOST || In || [[AM services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x38 || SdCd || 0xC9 || 0x3C000002 || Z, 1 || SDCard Card Detect (SD_CD) || In || [[Filesystem services]], [[AM services]] || Icosa, Copper, Hoag, Iowa, Calcio, Unknown
|-
| 0x39 || OtgFet1ForSdev || 0x4D || 0x39000404 || J, 5 || Charger IC (BQ24193) OTG Charge Select (OTG_FET_1) || Out || [[PTM services]], [[USB services]] || Icosa, Iowa
|-
| 0x3A || OtgFet2ForSdev || 0x58 || 0x39000405 || L, 0 || Charger IC (BQ24193) OTG Charge Select (OTG_FET_2) || Out || [[PTM services]], [[USB services]] || Icosa, Iowa
|-
| 0x3B || ExtConWakeU || 0x3E || 0x35000403 || H, 6 || Joy-Con(R) Wake Detect (EXTCON_DET_U) || In || || Icosa, Hoag, Iowa, Unknown
|-
| 0x3C || ExtConWakeS || 0x26 || 0x3500040D || E, 6 || Joy-Con(L) Wake Detect (EXTCON_DET_S) || In || || Icosa, Hoag, Iowa, Unknown
|-
| 0x3D || PmuIrq || -1 || 0x39000406 || || || || ||
|-
| 0x3E || ExtUart2Cts || 0x33 || 0x35000404 || G, 3 || Joy-Con(R) CTS (checked low) (EXT_UART2_CTS) || In || [[HID services]], [[AM services]] ||
|-
| 0x3F || ExtUart3Cts || 0x1C || 0x3500040E || D, 4 || Joy-Con(L) CTS (checked low) (EXT_UART3_CTS) || In || [[HID services]], [[AM services]] ||
|-
| 0x40 || 5VStepDownEn || 0xD9 || 0x39000408 || BB, 1 || 5V Step-Down Regulator Power (5V_STEPDOWN_EN) || Out || || Copper
|-
| 0x41 || UsbSwitchB2Oc || 0x0C || 0x04000401 || B, 4 || USB Root Port 2 Over Current (USB_B2_OC) || In || [[USB services]] || Copper
|-
| 0x42 || 5VStepDownPg || 0x0D || 0x39000409 || B, 5 || 5V Step-Down Regulator Power Good Flag (5V_STEPDOWN_PG) || In || || Copper
|-
| 0x43 || UsbSwitchAEn || 0x21 || 0x04000402 || E, 1 || USB Power (USB_A_EN) || Out || [[USB services]] || Copper
|-
| 0x44 || UsbSwitchAFlag || 0x27 || 0x04000403 || E, 7 || USB Power Flag (USB_A_FLAG) || In || [[USB services]] || Copper
|-
| 0x45 || UsbSwitchB3Oc || 0x92 || 0x04000404 || S, 2 || USB Root Port 3 Over Current (USB_B3_OC) || In || [[USB services]] || Copper
|-
| 0x46 || UsbSwitchB3En || 0x95 || 0x04000405 || S, 5 || USB Root Port 3 Power (USB_B3_EN) || Out || [[USB services]] || Copper
|-
| 0x47 || UsbSwitchB2En || 0x98 || 0x04000406 || T, 0 || USB Root Port 2 Power (USB_B2_EN) || Out || [[USB services]] || Copper
|-
| 0x48 || Hdmi5VEn || 0x10 || 0x34000004 || C, 0 || HDMI 5V (HDMI_5V_EN) || Out || [[NV services]] || Copper, Calcio
|-
| 0x49 || UsbSwitchB1En || 0x11 || 0x04000407 || C, 1 || USB Root Port 1 Power (USB_B1_EN) || Out || [[USB services]] || Copper, Calcio
|-
| 0x4A || HdmiPdTrEn || 0x12 || 0x34000005 || C, 2 || HDMI/Power Delivery Switch (HDMI_PD_TR_EN) || Out || [[NV services]] || Copper, Calcio
|-
| 0x4B || FanEn || 0x42 || 0x3D000003 || I, 2 || Fan Enable (FAN_EN) || Out || [[PTM services]] || Copper
|-
| 0x4C || UsbSwitchB1Oc || 0xE6 || 0x04000408 || CC, 6 || USB Root Port 1 Over Current (USB_B1_OC) || In || [[USB services]] || Copper, Calcio
|-
| [2.0.0+] 0x4D || PwmFan || 0xAC || 0x3D000001 || V, 4 || Pulse-Width Modulation Fan Control (PWM_FAN) || Out || [[PTM services]] || Copper
|-
| [2.0.0+] 0x4E || HdmiHpd || 0xE1 || 0x34000006 || CC, 1 || HDMI Hot Plug Detect (HDMI_INT_DP_HPD_PCC1) || In || [[NV services]] || Copper, Calcio
|-
| [5.0.0+] 0x4F || Max77812Irq || 0x56 || 0x3E000003 || K, 6 || MAX77812_IRQ || In || || Hoag, Iowa, Calcio
|-
| [6.0.0+] 0x50 || || 0x20 || 0xCA000001 || E, 0 || || Out || || Hoag, Calcio, Unknown
|-
| [6.0.0+] 0x51 || || 0x21 || 0xCA000002 || E, 1 || || Out || || Hoag, Calcio, Unknown
|-
| [6.0.0+] 0x52 || || 0x22 || 0xCA000003 || E, 2 || || Out || || Hoag, Calcio, Unknown
|-
| [6.0.0+] 0x53 || || 0x23 || 0xCA000004 || E, 3 || || Out || || Hoag, Calcio, Unknown
|-
| [6.0.0+] 0x54 || NfcIrq || 0x4C || 0x36000004 || J, 4 || NFC_IRQ || In || [[NFC services]] || Hoag
|-
| [6.0.0+] 0x55 || NfcRst || 0x57 || 0x36000003 || K, 7 || NFC_RST || Out || [[NFC services]] || Hoag
|-
| [6.0.0+] 0x56 || McuIrq || 0x27 ([6.0.0-8.0.0] 0x94) || 0x35000415 || S, 4 || MCU_IRQ || In || || Hoag
|-
| [6.0.0+] 0x57 || McuBoot || 0x98 || 0x35000416 || T, 0 || MCU_BOOT || Out || [[HID services]] || Hoag
|-
| [6.0.0+] 0x58 || McuRst || 0x99 || 0x35000417 || T, 1 || MCU_RST || Out || [[HID services]] || Hoag
|-
| [6.0.0+] 0x59 || Vdd5V3En || 0xBB || 0x39000403 || X, 3 || 5V3 Fan Power (5V3) (VDD5V3_EN) || Out || [[PTM services]] || Hoag, Iowa, Unknown
|-
| [6.0.0+] 0x5A || McuPor || 0xE5 || 0x35000418 || CC, 5 || MCU_POR || Out || [[HID services]] || Hoag
|-
| [6.0.0+] 0x5B || || 0xAB || 0x35000005 || V, 3 || SioH Input (LCD_GPIO1_PV3)|| In || [[HID services]], [[AM services]] || Hoag
|-
| [6.0.0+] 0x5C || NfcEn || 0x4E || 0x36000002 || J, 6 || NFC_EN || Out || [[NFC services]] || Hoag
|-
| [7.0.0+] - || ExtUart2Rts || 0x32 || 0x35000406 || G, 2 || Joy-Con(R) RTS (EXT_UART2_RTS) || In || ||
|-
| [7.0.0+] - || ExtUart3Rts || 0x1B || 0x35000410 || D, 3 || Joy-Con(L) RTS (EXT_UART3_RTS) || In || ||
|-
| [7.0.0+] - || || 0x17 || 0x3500041B || C, 7 || || In || || Hoag
|-
| [7.0.0+] - || || 0x18 || 0x3500041C || D, 0 || || In || || Hoag
|-
| [7.0.0+] - || || 0x15 || 0x3500041D || C, 5 || || In || || Hoag
|-
| [7.0.0+] - || || 0x16 || 0x3500041E || C, 6 || || In || || Hoag
|-
| [10.0.0+] - || || 0xC5 || 0x35000065 || Y, 5 || || Out || || Hoag
|-
| [10.0.0+] - || || 0x29 || 0x04000409 || F, 1 || || Out || || Calcio
|-
| [10.0.0+] - || || 0x38 || 0x34000401 || H, 0 || || In || || Unknown
|}

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