Allwinner A20 - Page 444

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 444 / 812
Offset: 0x014
Register name: VID_Timing_0
Bits
Read
/Write
Default
/Hex
Description
Video active horizontal resolution is:
VID_ACT_H+1 pixels
5.2.4.7. VIDEO TIMING REGISTER1
Offset: 0x018
Register name: VID_Timing_1
Bits
Read
/Write
Default
/Hex
Description
31:28
/
/
reserved
27:16
R/W
0
VID_VBP:
Vertical back porch is
VID_VBP+1 TMDS clock
15:12
/
/
reserved
11:0
R/W
0
VID_HBP:
Horizontal back porch is:
VID_HBP+1 TMDS clock
5.2.4.8. VIDEO TIMING REGISTER2
Offset: 0x01c
Register name: VID_Timing_2
Bits
Read
/Write
Default
/Hex
Description
31:28
/
/
reserved
27:16
R/W
0
VID_VFP:
Vertical front porch is:
VID_VFP+1 TMDS clock
15:12
/
/
reserved
11:0
R/W
0
VID_HFP:
Horizontal front porch is:
VID_HFP+1 TMDS clock