參數(shù)資料
型號(hào)： UPD161401
廠商： NEC Corp.
英文描述： 256-COLOR, 1/80-DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM
中文描述： 256色，1/80-DUTY LCD控制器/驅(qū)動(dòng)器，片內(nèi)RAM
文件頁數(shù)： 65/124頁
文件大?。?/td> 647K
代理商： UPD161401
Data Sheet S15726EJ2V0DS
65
μ
PD161401
6.2 Control Register 2 (R1)
This command specifies the general operation mode of the
μ
PD161401.
RS
E
/RD
R,/W
/WR
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
1
1
0
FDM
BMOD
DTY
INC
XDIR
YDIR
FDM
Sets all screen display modes.
0: Normal operation
1: All screen display (Turns ON all screens [outputs grayscale level 16 to all screens].)
BMOD
Selects data length when parallel data is input.
0: 16-bit data bus
1: 8-bit data bus
DTY
0: Main duty display mode
1: Sub-duty display mode
INC
Note
0: Increments/decrements X address each time it is accessed.
1: Increments/decrements Y address each time it is accessed.
XDIR
Note
Specifies the direction in which the X address is to be accessed.
0: Increment (+1)
1: Decrement (-1)
YDIR
Note
Specifies the direction in which the Y address is to be accessed.
0: Increment (+1)
1: Decrement (-1)
Note
If the access direction is changed by INC, XDIR, or YDIR, be sure to set the X address register (R4) and Y
address register (R5) before accessing the display RAM.
Table 6
3. Relationship between Functions of
μ
PD161401 and Display Mode
Display Setting
Main Duty Display (DTY = 0)
Sub-duty Display (DTY = 1)
Duty
Main duty setting register (R14)
Sub-duty setting register (R17)
N-line inversion
Main duty N-line inversion register (R15)
Sub-duty N-line inversion register (R18)
M-line shift
Main duty M-line shift register (R16)
Sub-duty M-line shift register (R19)
V
LCD
adjustment
Power system control register 2 (R53)
VRR3 to VRR0
Power system control register 2 (R53)
SVR3 to SVR0
Bias value
Power system control register 3 (R54)
BIS2 to BIS0
Power system control register 3 (R54)
SBIS to SBIS0
Number of boosting
steps
Power system control register 4 (R55)
MBT2 to MBT0
Power system control register 4 (R55)
SBT2 to SBT0
Electronic volume
Main electronic volume register (R57)
Sub-electronic volume register (R58)
Grayscale data
setting
Main R grayscale data register (R65 to R72)
Main G grayscale data register (R73 to R80)
Main B grayscale data register (R81 to R84)
Sub R grayscale data register (R85 to R92)
Sub G grayscale data register (R93 to R100)
Sub B grayscale data register (R101 to R104)
Default (default value of reset command)
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
0
Note
0
Note
0
0
0
0
Note
0 or 1
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