Allwinner A20 - Page 426

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 426 / 812
Offset: 0x09C
Register Name: TCON1_BASIC2_REG
Bit
Read/
Write
Default/
Hex
Description
11:0
R/W
0
TCON1_YO
height is TCON1_YO+1
5.1.4.27. TCON1 BASIC TIMING REGISTER3
Offset: 0x0A0
Register Name: TCON1_BASIC3_REG
Bit
Read/
Write
Default/
Hex
Description
31:29
/
/
/
28:16
R/W
0
HT
horizontal total time
Thcycle = (HT+1) * Thdclk
15:12
/
/
/
11:0
R/W
0
HBP
horizontal back porch
Thbp = (HBP +1) * Thdclk
5.1.4.28. TCON1 BASIC TIMING REGISTER4
Offset: 0x0A4
Register Name: TCON1_BASIC4_REG
Bit
Read/
Write
Default/
Hex
Description
31:29
/
/
/
28:16
R/W
0
VT
horizontal total time (in HD line)
Tvt = VT/2 * Th
15:12
/
/
/
11:0
R/W
0
VBP
horizontal back porch (in HD line)
Tvbp = (VBP +1) * Th