28
850 - Serial Protocol
8.3.1
Get the Monitor DPCD
Command
Send/Receive
Data
0xFD
0xEB, address, 0xFD, 0x02, 0x05, data1, (check
sum)
0xEB, address, 0xFD, 0x12, 0x05, [data num],
data1H_4bits, data1L_4bits, data2H_4bits,
data2L_4bits, ……, data7H_4bits, data7L_4bits,
data8H_4bits, data8L_4bits, (check sum)
data1:
0: Receiver Capability Field
1: Link Configuration Field
2: Link / Sink Status Field
3: Source Device Specific Field
4: Sink Device Specific Field
5: Branch Device Specific Field
6: Sink Control Field
[data num]: from 0 to 0x1f. Every group has 8 bytes
DPCD data
When sending the command, there are 32 groups for 256
bytes of DPCD data
8.3.2
Reset Device
Command
Send/Receive
0xED
0xEB, address, 0xED, 0x04, 0x03, 0x01, 0x02, 0x07, checksum
0xEB, address, 0xED, 0x01, 0xFA, checksum