iRiver H10 Port Pin Assignments

Note: "Default" is the value the pin has once the iriver bootloader is finished running. In the case where input is not enabled, the default input value is obtained by first enabling input, and then reading the value. '-' means neither input or output are enabled.

GPIO

	GPIOA		GPIOG
Port pin	I/O/F	Description	I/O/F	Description
0	I	Remote Play/Pause (0=on)	-	Default I=0, O=0
1	I	Default I=1	-	Default I=1, O=0
2	I	Hold Button (0=on)	-	Default I=1, O=0
3	I	Fast Forward Button (0=pressed)	-	Default I=1, O=0
4	I	Play Button (0=pressed)	-	Default I=1, O=0
5	I	Rewind Button (0=pressed)	-	Default I=1, O=0
6	I	O Button (0=presses)	-	Default I=1, O=0
7	I	Back Button (0=pressed)	-	Default I=1, O=0

	GPIOB		GPIOH
Port pin	I/O/F	Description	I/O/F	Description
0	I	Power Button (1=pressed)	-	Default I=1,O=0
1	I/O	Default I=1,O=1	-	Default I=1,O=0
2	I/O	Line-in//tuner switch (0=tuner, 1=line-in) Connected to LV4052's B pin. (A pin is connected to GND)	-	Default I=1,O=0
3	I	Default I=1,O=0	-	Default I=1,O=0
4	I	Default I=1,O=0	-	Default I=1,O=0
5	I	Default I=0,O=0	-	Default I=1,O=0
6	I	Default I=1,O=0	-	Default I=1,O=0
7	I	Default I=1,O=0	-	Default I=1,O=0

	GPIOC		GPIOI
Port pin	I/O/F	Description	I/O/F	Description
0	-	ADC Channel 0 (1=high ~0x3ff, 0=low ~0x000)	-	Default I=1,O=0
1	-	ADC Channel 1 (1=high ~0x3ff, 0=low ~0x000)	-	Default I=1,O=0
2	-	ADC Channel 2 (1=high ~0x3ff, 0=low ~0x000)	-	Default I=0,O=0
3	I/O	ADC Channel 3 (1=high ~0x3ff, 0=low ~0x000)	-	Default I=1,O=0
4	-	Default I=1,O=0	-	Default I=1,O=0
5	-	Default I=1,O=0	-	Default I=0,O=0
6	-	Default I=1,O=0	-	Default I=0,O=0
7	-	Default I=1,O=0	-	Default I=1,O=0

	GPIOD		GPIOJ
Port pin	I/O/F	Description	I/O/F	Description
0	I	Default I=1,O=0	-	Default I=1,O=0
1	I/O	Buzzer - write 1 to make a click sound like when the scrollpad is touched in the iriver firmware. Default I=0,O=0	-	Default I=1,O=0
2	I/O	Default I=1,O=1	-	Default I=1,O=0
3	I/O	FM Tuner's SDA	-	Default I=1,O=0
4	I/O	FM Tuner's SCL	-	Default I=1,O=0
5	I	Scrollpad in use (1=yes, 0=no) - Set along with GPIOC3	-	Default I=1,O=0
6	I/O	Read scrollpad value from ADC (0=read, 1=detect scrollpad being touched on GPIOD pin 5	-	Default I=1,O=0
7	I	Default I=1,O=0	-	Default I=1,O=0

	GPIOE		GPIOK
Port pin	I/O/F	Description	I/O/F	Description
0	-	Default I=1,O=0	-	Default I=0,O=0
1	-	Default I=1,O=0	-	Default I=1,O=0
2	-	Default I=1,O=0	-	Default I=1,O=0
3	-	Default I=1,O=0	-	Default I=1,O=0
4	-	Default I=1,O=0	-	Default I=1,O=0
5	-	Default I=1,O=0	-	Default I=0,O=0
6	-	Default I=1,O=0	-	Default I=1,O=0
7	-	Default I=1,O=0	-	Default I=1,O=0

	GPIOF		GPIOL
Port pin	I/O/F	Description	I/O/F	Description
0	I/O	ATA Power? (1=off)	I	Default I=1,O=0
1	I	Default I=1,O=0	I/O	Default I=0,O=0
2	I	Default I=1,O=0	I	USB Cable Connected (1=yes, 0=no)
3	I	Charger connected (1=yes, 0=no)	I/O	Default I=1,O=1
4	I/O	Default I=0,O=0	I/O	Audio output (1=on)
5	I/O	Power (1=on, 0=off)	I/O	Backlight (1=on, 0=off)
6	I/O	Default I=1,O=1	I	Default I=1,O=0
7	I	Default I=1,O=0	I/O	Default I=1,O=1

Data Cable

Port pin	Description
1	USB Pin 3 (Data +)
2	Ground
3	USB Pin 5 (Ground), tell's the H10 that it is connected to the Cradle
4	Line-Out Left Channel
5
6	Line-In Right Channel
7
8
9	Power (+5V)
10	Power (+5V), connected to Pin 9
11
12	USB Pin 1 (+5V)
13	Line-In Left Channel
14
15	Charge Led Chathode
16	Line-Out Right Channel
17	Ground
18	USB Pin 2 (Data -)