参数资料
型号: PCF8890
英文描述: 240 + 1 outputs TFT LCD gate driver
中文描述: 240 1输出TFT液晶栅极驱动器
文件页数: 28/76页
文件大小: 385K
代理商: PCF8890
2002 Aug 16
28
Philips Semiconductors
Preliminary specification
STN RGB - 384 output column driver
PCF8832
8.1.8
S
CROLL MODE
The following steps must be performed to enter scroll
mode, refer to Fig.19:
1.
Define the scroll area:
a) Set start address DSA1[7:0]
b) Set end address DSA2[7:0].
2.
Set Scroll Entry Point SEP[7:0].
3.
Enter scroll mode by setting Start Programmed Scroll
SPS = 1.
4.
After the desired time interval, increment the scroll
address to SEP + n for an n-line step.
Keep incrementing the scroll address at regular
intervals.
Stop scroll mode SPS = 0.
5.
6.
If DSA1 = n with 0 < n < 159 and DSA2 = 159, then only
one fixed area at the top of the display is used. In this
configuration the hidden part of the RAM Y-addresses
160 to 167 can be used in scroll mode.
MGW689
handbook, full pagewidth
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
ROW 3
ROW 4
ROW 1
ROW 2
ROW 0
ROW 7
ROW 8
ROW 5
ROW 6
ROW 11
ROW 12
ROW 9
ROW 10
ROW 15
ROW 16
ROW 13
ROW 14
ROW 23
ROW 24
ROW 21
ROW 22
ROW 20
ROW 27
ROW 28
ROW 25
ROW 26
ROW 31
ROW 29
ROW 30
ROW 147
ROW 148
ROW 145
ROW 146
ROW 144
ROW 19
ROW 17
ROW 18
ROW 151
ROW 152
ROW 149
ROW 150
ROW 155
ROW 156
ROW 153
ROW 154
ROW 159
ROW 157
ROW 158
DSA1[7:0]
DSA2[7:0]
SEP[7:0]
RAM
display
fix area
scroll area
f
fix area
Fig.19 Scroll mode.
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