Allwinner A20 - Page 758

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 758 / 812
Offset: TSF+0x04
Register Name: TSF_PPR
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
byte.
27:24
R/W
0
SyncThd
Sync Packet Threshold
It is used for packet sync by checking the value of sync byte.
23:16
R/W
0x47
SyncByteVal
Sync Byte Value
This is the value of sync byte used in the TS Packet.
15:10
/
/
/
9:8
R/W
0
SyncMthd
Packet Sync Method
0: By PSYNC signal
1: By sync byte
2: By both PSYNC and Sync Byte
3: Reserved
7
R/W
0
SyncBytePos
Sync Byte Position
0: the 1st byte position
1: the 5th byte position
Notes: This bit is only used for 192 bytes packet size.
6:2
/
/
/
1:0
R/W
0
PktSize
Packet Size
Byte Size for one TS packet
0: 188 bytes
1: 192 bytes
2: 204 bytes
3: Reserved
6.13.4.16. TSF INTERRUPT ENABLE AND STATUS REGISTER
Offset: TSF+0x08
Register Name: TSF_IESR
Default Value: 0x0000_0000