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ST7637 Datasheet(PDF) 106 Page - Sitronix Technology Co., Ltd.

Part # ST7637
Description  65K 132x132 Color Dot Matrix LCD Controller/Driver
PDF  210 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7637 Datasheet(HTML) 106 Page - Sitronix Technology Co., Ltd.

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ST7637
Ver 1.6
106/210
2009/03
9.1.24. RAMWR: Memory Write (2Ch)
Command
A0
/RD
/WR
D7
D6
D5
D4
D3
D2
D1
D0
Hex
RAMWR
0
1
0
0
0
1
0
1
1
0
0
(2Ch)
Write D1[7:0]
1
1
0
D7
D6
D5
D4
D3
D2
D1
D0
-
:
1
1
0
:
:
:
:
:
:
:
:
-
Write Dn[7:0]
1
1
0
D7
D6
D5
D4
D3
D2
D1
D0
-
Description
This command is used to transfer data MCU to frame memory.
This command makes no change to the other driver status.
When this command is accepted, the column register and the row register are reset to the Start
Column/Start Row positions.
The Start Column/Start Row positions are different in accordance with MADCTR setting. Then D
[7:0] is stored in frame memory and the column register and the row register incremented.
Frame Write can be canceled by sending any other command.
Restriction
In all color modes, there is no restriction on length of parameters.
Register
Availability
Status
Availability
Normal Mode On, Idle Mode Off, Sleep Out
Yes
Normal Mode On, Idle Mode On, Sleep Out
Yes
Partial Mode On, Idle Mode Off, Sleep Out
Yes
Partial Mode On, Idle Mode On, Sleep Out
Yes
Sleep In
Yes
Default
Status
Default Value
Power On Sequence
Contents of memory is set randomly
S/W Reset
Contents of memory is remained
H/W Reset
Contents of memory is remained
Flow Chart



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