W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 93

• Manufacturer Part Number: W90221X
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

Horizontal Retrace Start Register (HRS)
Port address: 0x0000016c
Bits 0-20
Bits 21-31
W90221X version 0.6
16
24
0
8
17
25
1
9
Reserved
Horizontal retrace start
This 11-bit value specifies the pixel at which the internal horizontal
retrace becomes active. The internal horizontal retrace pulse width is
fixed to 16 pixel clock cycles.
Reserved
10
18
26
2
Horizontal Retrace Start [3:10]
Access type: read/write
11
19
27
3
Reserved
Reserved
12
20
28
4
Horizontal Retrace Start [0:2]
13
21
29
5
14
22
30
6
Default: 0x---
15
23
31
7
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