Datasheet

ST7735
V1.7 101 2009-12-04
10.1.20 RASET (2Bh): Row Address Set
2BH RASET (Row Address Set)
Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
RASET (2Bh) 0 ↑ 1 - 0 0 1 0 1 0 1 1 (2Bh)
1
st
parameter 1 ↑ 1 - YS15 YS14 YS13 YS12 YS11 YS10 YS9 YS8
2
nd
parameter 1 ↑ 1 - YS7 YS6 YS5 YS4 YS3 YS2 YS1 YS0
3
rd
parameter 1 ↑ 1 - YE15 YE14 YE13 YE12 YE11 YE10 YE9 YE8
4
th
parameter 1 ↑ 1 - YE7 YE6 YE5 YE4 YE3 YE2 YE1 YE0
Description
The value of YS [7:0] and YE [7:0] are referred when RAMWR command comes.
Each value represents one column line in the Frame Memory.
YS[7:0]
YE[7:0]
Restriction
YS [15:0] always must be equal to or less than YE [15:0]
When YS [15:0] or YE [15:0] are greater than maximum row address like below, data of out of range will be ignored.
1. 128X160 memory base (GM = ’011’)
(Parameter range: 0 < YS [15:0] < YE [15:0] < 159 (009Fh)): MV=”0”
(Parameter range: 0 < YS [15:0] < YE [15:0] < 127 (007Fh)): MV=”1”
2. 132X162 memory base (GM = ’000’)
(Parameter range: 0 < YS [15:0] < YE [15:0] < 161 (00A1h)): MV=”0”
(Parameter range: 0 < YS [15:0] < YE [15:0] < 131 (0083h)): MV=”1”
Default
Default Value
GM status Status
YS [15:0] YE [15:0] (MV=’0 ’) YE [15:0] (MV=’1’)
Power On
Sequence
0000h 009Fh (159)
S/W Reset 0000h 009Fh (159) 007Fh (127)
GM=’011’
(128x160
memory base)
H/W Reset 0000h 009Fh (159)
Power On
Sequence
0000h 00A1h (161)
S/W Reset 0000h 00A1h (161) 0083h (131)
GM=’000’
(132x162
memory base)
H/W Reset 0000h 00A1h (161)