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ST7669V Datasheet, PDF (109/208 Pages) Sitronix Technology Co., Ltd. – 262K 132x162 Color Dot Matrix LCD Controller/Driver
ST7669V
9.1.24 RAMWR: Memory Write (2CH)
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
Command
0
1
0
0
0
1
0
1
1
0
0
Write D1[7:0] 1
1
0 D17 D16 D15 D14 D13 D12 D11 D10
…
1
1
0 Dx7 Dx6 Dx5 Dx4 Dx3 Dx2 Dx1 Dx0
Write Dn[7:0] 1
1
0 Dn7 Dn6 Dn5 Dn4 Dn3 Dn2 Dn1 Dn0
HEX
2CH
00H ~ FFH
00H ~ FFH
00H ~ FFH
Description
Restriction
Register
Availability
This command is used to transfer data from MCU to frame memory.
This command makes no change to the other driver status.
When this command is accepted, the column register and the page register are reset to the Start
Column/Start Page 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 as in
Section 7.3.
Frame Write can be canceled by sending any other command.
In all color modes, there is no restriction on length of parameters.
Status
Normal Mode On, Idle Mode Off, Sleep Out
Normal Mode On, Idle Mode On, Sleep Out
Partial Mode On, Idle Mode Off, Sleep Out
Partial Mode On, Idle Mode On, Sleep Out
Sleep In
Availability
Yes
Yes
Yes
Yes
Yes
Default
Status
Power On Sequence
S/W Reset
H/W Reset
Default Value
Contents of memory is set randomly
Contents of memory is remained
Contents of memory is remained
Ver 1.3
109/208
6/4/2008