ST7735
10.1.21 RAMWR (2Ch): Memory Write
2CH
RAMWR (Memory Write)
Inst / Para
RAMWR
D/CX
WRX
RDX
D17-8
-
D7
0
D6
0
D5
1
D4
0
D3
1
D2
1
D1
0
D0
0
HEX
0
1
1
1
↑
↑
↑
↑
1
1
1
1
(2Ch)
1st parameter
∣
D17-8
∣
D7
∣
D7
D6
∣
D6
D5
∣
D5
D4
∣
D4
D3
∣
D3
D2
∣
D2
D1
∣
D1
D0
∣
D0
Nth parameter
D17-8
In all color modes, there is no restriction on length of parameters.
1. 128X160 memory base (GM = ‘011’)
128x160x18-bit memory can be written by this command
Memory range: (0000h, 0000h) -> (007Fh, 09Fh)
2. 132x162 memory base (GM = ‘000’)
Description
132x162x18-bit memory can be written on this command.
Memory range: (0000h, 0000h) -> (0083h, 00A1h)
Status
Default Value
Power On Sequence
S/W Reset
Contents of memory is set randomly
Contents of memory is not cleared
Contents of memory is not cleared
Default
H/W Reset
Legend
Command
RAMWR
Parameter
Display
Flow Chart
Image Data
D1[7:0],D2[7:0]
… … .Dn[7:0]
Action
Mode
Sequential
transter
Any Command
V1.7
103
2009-12-04