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TYPE-C PD供电协议信号-4b5b编码对照表

发布时间：2022-12-17 01:17:13所属栏目：USB供电PowerDelivery 已帮助人编辑作者：【USB接口百科】

PD供电协议编码格式是4b5b，即把4位的数据(0x0-0xf)编码成5位，其编码对照表见下图：

名称	4b	5b Symbol	描述
0	0	11110	hex data 0
1	1	1001	hex data 1
2	10	10100	hex data 2
3	11	10101	hex data 3
4	100	1010	hex data 4
5	101	1011	hex data 5
6	110	1110	hex data 6
7	111	1111	hex data 7
8	1000	10010	hex data 8
9	1001	10011	hex data 9
A	1010	10110	hex data A
B	1011	10111	hex data B
C	1100	11010	hex data C
D	1101	11011	hex data D
E	1110	11100	hex data E
F	1111	11101	hex data F
Sync-1	K-code	11000	Startsynch #1
Sync-2	K-code	10001	Startsynch #2
RST-1	K-code	111	Hard Reset #1
RST-2	K-code	11001	Hard Reset #2
EOP	K-code	1101	EOP End Of Packet
Reserved	Error	0	Shall Not be used
Reserved	Error	1	Shall Not be used
Reserved	Error	10	Shall Not be used
Reserved	Error	11	Shall Not be used
Reserved	Error	100	Shall Not be used
Reserved	Error	101	Shall Not be used
Sync-3	K-code	110	Startsynch #3
Reserved	Error	1000	Shall Not be used
Reserved	Error	1100	Shall Not be used
Reserved	Error	10000	Shall Not be used
Reserved	Error	11111	Shall Not be used