ST7669V
9.1.24 RAMWR: Memory Write (2CH)
A0
0
RD
1
WR
0
D7
0
D6
0
D5
D4
D3
1
D2
D1
D0
0
HEX
Command
Write D1[7:0]
…
1
0
1
0
2CH
1
1
0
D17
Dx7
Dn7
D16
Dx6
Dn6
D15 D14
Dx5 Dx4
Dn5 Dn4
D13
Dx3
Dn3
D12 D11
Dx2 Dx1
Dn2 Dn1
D10
Dx0
Dn0
00H ~ FFH
00H ~ FFH
00H ~ FFH
1
1
0
Write Dn[7:0]
1
1
0
Description
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.
Restriction
Register
Availability
Status
Availability
Yes
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
Yes
Yes
Yes
Yes
Default
Status
Default Value
Power On Sequence
S/W Reset
Contents of memory is set randomly
Contents of memory is remained
Contents of memory is remained
H/W Reset
Ver 1.3
109/208
6/4/2008
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
