ST7628
9.1.24 RAMWR: Memory Write (2Ch)
Command
A0
0
/RD /WR
D7
0
D6
0
D5
1
D4
0
D3
1
D2
1
D1
0
D0
0
Hex
(2Ch)
1
1
1
1
0
0
0
0
RAMWR
D7
:
D6
:
D5
:
D4
:
D3
:
D2
:
D1
:
D0
:
-
-
-
1
Write Data 1 D1[7:0]
:
1
D7
D6
D5
D4
D3
D2
D1
D0
1
Write Data n Dn[7:0]
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 as in
Figure 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
Status
Availability
Yes
Availability
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 1.4
114/213
2008/08
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
