ST ST7735R - 10.1.21 RAMWR (2 Ch): Memory Write

ST7735R
V0.2 106 2009-08-05
10.1.21 RAMWR (2Ch): Memory Write
2CH RAMWR (Memory Write)
Inst / Para
D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
RAMWR
0 ↑ 1 - 0 0 1 0 1 1 0 0 (2Ch)
1st parameter
1 ↑ 1 D17-8 D7 D6 D5 D4 D3 D2 D1 D0
∣
1 ↑ 1
∣ ∣ ∣ ∣ ∣ ∣ ∣ ∣ ∣
Nth parameter
1 ↑ 1 D17-8 D7 D6 D5 D4 D3 D2 D1 D0
Description
In all color modes, there is no restriction on length of parameters.
1. 128X160 memory base (GM = ‘11’)
128x160x18-bit memory can be written by this command
Memory range: (0000h, 0000h) -> (007Fh, 09Fh)
2. 132x162 memory base (GM = ‘00’)
132x162x18-bit memory can be written on this command.
Memory range: (0000h, 0000h) -> (0083h, 00A1h)
Default
Status Default Value
Power On Sequence Contents of memory is set randomly
S/W Reset Contents of memory is not cleared
H/W Reset Contents of memory is not cleared
Flow Chart
Command
Parameter
Display
Action
Mode
Legend
Sequential
transter
RAMWR
Image Data D1[7:0],D2[7:0]
…….Dn[7:0]
Any Command