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ST7626 Datasheet(PDF) 21 Page - Sitronix Technology Co., Ltd.

Part # ST7626
Description  65K Color Dot Matrix LCD Controller/Driver
PDF  94 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7626 Datasheet(HTML) 21 Page - Sitronix Technology Co., Ltd.

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ST7626
Ver 1.5
21/94
2007/01/20
7.3 DISPLAY DATA RAM (DDRAM)
7.3.1 DDRAM
It is 98 X 68 X 16 bits capacity RAM prepared for storing dot data. You can access a desired bit by specifying the page
address and column address. Since display data from MCU D7 to D0 and D15 to D8 correspond to one or two pixels of
RGB, data transfer related restrictions are reduced, realizing the display flexing.
The RAM on ST7626 is separated to a block per 4 lines to allow the display system to process data on the block basis.
MPU’s read and write operations to and from the RAM are performed via the I/O buffer circuit; Reading of the RAM for the
liquid crystal drive is controlled from another separate circuit. Refer to the following memory map for the RAM
configuration.
Memory Map (When using the Type A 4096 color. 8-bit mode)
RGB alignment (Command of data control parameter2=000)
Data control command (BCH)
Column
0
1
97
P11:0(DATCTL)
97
96
0
P11:1(DATCTL)
Color
R
G
B
R
G
B
R
G
B
LCD
read
direction
Data
Page
Block
P10:0
(DATCTL)
P10:1
(DATCTL)
D0_7
D0_6
D0_5
D0_4
D0_3
D0_2
D0_1
D0_0
D1_7
D1_6
D1_5
D1_4
D1_3
D1_2
D1_1
D1_0
D2_7
D2_6
D2_5
D2_4
D2_3
D2_2
D2_1
D2_0
D146_3
D146_2
D146_1
D146_0-
D147_7
D147_6
D147_5
D147_4
D147_3
D147_2
D147_1
D147_0
0
67
1
66
2
65
0
3
64
4
63
5
62
6
61
1
7
60
60
7
61
6
62
5
15
63
4
64
3
65
2
66
1
16
67
0
SEGout
0
1
2
3
4
5
291
292
293



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