# One Dollar Computer — board pins (logical)
# Model 1.004 (fixed). Current published revision: R2.

model: "1.004"
revision: R2
version: 1.004 R2
connector: ODC Port
rj_connector: RJ45

# User firmware must use these numbers only (0..=19).
# MCU pad names are NOT part of the public API.
# Chip mapping: mcu/CH32V003F4U6.yaml (internal).

pins:
  0:
    printed_label: "0"
    type: gpio
    description: "GPIO — PCB label 0"

  1:
    printed_label: "1"
    type: gpio
    description: "GPIO — PCB label 1"
    rj_pin: RJ45-3

  2:
    printed_label: "2"
    type: gpio
    description: "GPIO — PCB label 2"

  3:
    printed_label: "3"
    type: gpio
    description: "GPIO — PCB label 3"

  4:
    printed_label: "4"
    type: gpio
    description: "GPIO — PCB label 4"
    rj_pin: RJ45-6

  5:
    printed_label: "5"
    type: gpio
    description: "GPIO — PCB label 5"

  6:
    printed_label: "6"
    type: gpio
    description: "GPIO — PCB label 6"
    rj_pin: RJ45-2

  7:
    printed_label: "7"
    type: gpio
    description: "GPIO — PCB label 7"
    rj_pin: RJ45-1

  8:
    printed_label: "8"
    type: gpio
    description: "GPIO (analog-capable on current MCU) — PCB label 8"

  9:
    printed_label: "9"
    type: gpio
    description: "GPIO (analog-capable on current MCU) — PCB label 9"

  10:
    printed_label: "10"
    type: power
    description: "3.3V power output"
    rj_pin: RJ45-8

  11:
    printed_label: "11"
    type: ground
    description: "Ground"

  12:
    printed_label: "12"
    type: gpio
    description: "GPIO — also SWIO; using as GPIO disables SWD until reboot"

  13:
    printed_label: "13"
    type: button
    alias: BUTTON
    description: "Boot / user button (pull-up). Firmware owns HID bootloader re-entry."

  14:
    printed_label: "14"
    type: gpio
    description: "GPIO — PCB label 14"
    rj_pin: RJ45-4

  15:
    printed_label: "15"
    type: gpio
    description: "GPIO — PCB label 15"

  16:
    printed_label: "16"
    type: nc
    description: "Not connected"

  17:
    printed_label: "17"
    type: ground
    description: "Ground"
    rj_pin: RJ45-7

  18:
    printed_label: "18"
    type: power
    description: "+5V power output / VBUS"
    rj_pin: RJ45-5

  19:
    printed_label: "19"
    type: led
    alias: LED
    description: "Onboard LED (BLINK). Use pin_set/pin_clear for logical on/off."