ST ST7735R - 6.3 Mode selection pin

ST7735R
V0.2 15 2009-08-05
6.3 Mode selection pin
Name I/O Description Connect pin
EXTC I
-During normal operation, please open this pin.
EXTC Enable/disable modification of extend command
0 Normal operation mode
1 Use NVM command set
Open
GM1,
GM0
I
-Panel resolution selection pins.
G
M
1
G
M
0
Selection of panel resolution
0 0 132RGB x 162 (S1~S396 & G1~G162 output)
1 1 128RGB x 160 (S7~S390 & G2~G161 output)
VDDI/DGND
SRGB I
-RGB direction select H/W pin for color filter setting.
SRGB RGB arrangement
0
S1, S2, S3 filter order = ’R’, ’G’, ’B’
1
S1, S2, S3 filter order = ‘B’, ‘G’, ‘R’
VDDI/DGND
SMX I
-Module source output direction H/W selection pin.
SMX Scanning direction of source output
GM= ‘00’ GM= ‘11’
0 S1 -> S396 S7 -> S390
1 S396 -> S1 S390 -> S7
VDDI/DGND
SMY I
-Module Gate output direction H/W selection pin.
SMY Scanning direction of gate output
GM= ‘00’ GM= ‘11’
0 G1 -> G162 G2 -> G161
1 G162 -> G1 G161 -> G2
VDDI/DGND
LCM I
-Liquid crystal (LC) type selection pins.
LCM Selection of LC type
0 Normally white LC type
1 Normally black LC type
VDDI/DGND
GS I
-Gamma curve selection pin.
GS Selection of gamma curve
0 GC0=1.0, GC1=2.5, GC2=2.2, GC3=1.8
1 GC0=2.2, GC1=1.8, GC2=2.5, GC3=1.0
VDDI/DGND