Allwinner A20 - Page 757

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 757 / 812
6.13.4.13. TSG BUFFER POINTER REGISTER
Offset: TSG+0x18
Register Name: TSG_BPR
Default Value: 0x1fff_0000
Bit
Read/Write
Default
Description
31:24
/
/
/
23:0
R
0
TSGBufPtr
Data Buffer Pointer for TS Generator
Current TS generator data buffer read pointer (in byte unit)
6.13.4.14. TSF CONTROL AND STATUS REGISTER
Offset: TSF+0x00
Register Name: TSF_CSR
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:3
/
/
/
2
R/W
0
TSF Enable
0: Disable TSF Input
1: Enable TSF Input
1
/
/
/
0
TSFGSR
TSF Global Soft Reset
A software writing ‘1’ will reset all status and state machine of
TSF. And it’s cleared by hardware after finish reset.
A software writing ‘0’ has no effect.
6.13.4.15. TSF PACKET PARAMETER REGISTER
Offset: TSF+0x04
Register Name: TSF_PPR
Default Value: 0x0000_0000
Bit
Read/Write
Default
Description
31:28
R/W
0
LostSyncThd
Lost Sync Packet Threshold
It is used for packet sync lost by checking the value of sync