AN792 Datasheet, PDF (55/76 Pages) Silicon Laboratories – INTERFACE SPECIFICATION

7.13. Set_Pin_Config (Command ID 0x6D)
7.13.1. Description
Set the pin configuration values.
7.13.2. Setup Stage (OUT Transfer)
Name
bmRequestType
bRequest
wValue
wLength
Value
0x40
0x6D
0xA5F1
0x0014
Description
Host-to-Device vendor request
Command ID
Memory key
Data stage length in bytes
7.13.3. Data Stage (OUT Transfer)
Name
GPIO.0
GPIO.1
GPIO.2
GPIO.3
Offset
0
Size
1
1
1
2
1
3
1
Value
Value
Value
Value
Value
Description
GPIO.0 / CS0 pin function:
0x00: GPIO (input)
0x01: GPIO (open-drain output)
0x02: GPIO (push-pull output)
0x03: CS0 (push-pull output)
GPIO.1 / CS1 pin function:
0x00: GPIO (input)
0x01: GPIO (open-drain output)
0x02: GPIO (push-pull output)
0x03: CS1 (push-pull output)
GPIO.2 / CS2 pin function:
0x00: GPIO (input)
0x01: GPIO (open-drain output)
0x02: GPIO (push-pull output)
0x03: CS2 (push-pull output)
GPIO.3 / CS3 / RTR pin function:
0x00: GPIO (input)
0x01: GPIO (open-drain output)
0x02: GPIO (push-pull output)
0x03: CS3 (push-pull output)
0x04: RTR (input)
0x05: RTR (input)
AN792
Rev. 0.3
55