S1D13742 Epson, S1D13742 Datasheet - Page 54

• Manufacturer Part Number: S1D13742
• Description: Mobile Graphics Engine
• Manufacturer: Epson

Page 54
S1D13742
X63A-A-001-06
bits 6-0
bit 7
bits 5-0
bits 7-0
bit 7
REG[22h] HS Pulse Start Position Register 0 (HPS)
Default = 00h
REG[24h] VS Pulse Width Register (VSW)
Default = 00h
REG[26h] VS Pulse Start Position Register 0 (VPS)
Default = 00h
REG[28h] PCLK Polarity Register
Default = 00h
VS Pulse Polarity
PCLK Polarity
n/a
7
7
7
7
n/a
6
6
6
6
HS Pulse Start Position bits [6:0]
These bits specify the start position of the horizontal sync signal with respect to the start of
Horizontal Non-Display period, in 1 pixel resolution. For 36-bit wide panels, there are 2
pixels per external PCLK.
HPS = (REG[22h] bits 6-0)
VS Pulse Polarity
This bit selects the polarity of the vertical sync signal. This bit is set according to the ver-
tical sync signal of the panel.
When this bit = 0, the vertical sync signal is active low.
When this bit = 1, the vertical sync signal is active high.
VS Pulse Width bits [5:0]
These bits specify the width of the panel vertical sync signal, in 1 line resolution. The ver-
tical sync signal is typically VS, depending on the panel type.
VS Pulse Width in number of lines = REG[24h] bits 5-0
VS Pulse Start Position bits [7:0]
These bits specify the start position of the vertical sync signal with respect to the start of
Vertical Non-Display period, in 1 line resolution.
VPS is calculated using the following formula:
PCLK Polarity
When this bit = 0, the PCLK outputs data transitions on the rising edge
When this bit = 1, the PCLK outputs data transitions on the falling edge
VPS = (REG[26h] bits 7-0)
5
5
5
5
Revision 6.01 - EPSON CONFIDENTIAL
VS Pulse Start Position bits 7-0
4
4
4
4
HS Pulse Start Position bits 6-0
www.DataSheet.co.kr
VS Pulse Width bits 5-0
n/a
3
3
3
3
2
2
2
2
Epson Research and Development
Hardware Functional Specification
1
1
1
1
Vancouver Design Center
Issue Date: 2007/09/18
Read/Write
Read/Write
Read/Write
Read/Write
0
0
0
0
Datasheet pdf - http://www.DataSheet4U.net/