em65567 ELAN Microelectronics Corp, em65567 Datasheet - Page 70

• Manufacturer Part Number: em65567
• Description: Com/ Color Driver
• Manufacturer: ELAN Microelectronics Corp

Drive waveform when (SPC1, SPC0) =(1, 1)
8.2.19 Display Select Control
(At the time of reset: {PWM, GLSA, PSEL, DSEL} = 0H, read address: 8H)
PSEL
The PSEL register select assessable plane from MPU in the monochrome display mode (MON=”1”).
PSEL = “0”: The plane 0 can access
PSEL = ”1”: The plane 1 can access
DSEL command
The DSEL register select active plane for display in the monochrome display mode(MON=”1”).
DSEL = “0”: The plane 0 is active for display.
DSEL = “1”: The plane 1 is active for display.
GLSB
For the segment driver of 4-gradation display, select 4 gradations from 8 gradations using the 2 bits written to the
corresponding RAM area and the 1 bit supplemented by the gradation LSB circuit. Supplement the 1 bit of data by setting the
gradation LSB register (GLSB).
PWM
The PWM register selection the gradation display mode.
* This specification is subject to be changed without notice.
D7
SCOM
SCOM
SSEG
SSEG
1
Gradation LSB = “0”: Selects 0 as the LSB information on the RAM for 4-gradation segment driver.
Gradation LSB = “1”: Selects 1 as the LSB information on the RAM for 4-gradation segment driver.
D6
0
D5
0
VSS level
1 frame
D4
0
VDD level
VDD level
PWM GLS PSEL DSEL
D3
VDD level
1 frame
D2
VDD level
1 frame
D1
VSS level
VSS level
D0
VSS level
1 frame
CSB
0
70
66 COM/ 96 SEG 256 Color STN LCD Driver
RS
1
RDB WRB RE2
1
0
1
RE1
0
RE0
0
2003/1/9 (V0.1)
EM65567