參數(shù)資料
型號： UPD17207GF
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
中文描述： 4位單片機與LCD控制器/驅(qū)動器和A / D轉(zhuǎn)換器紅外遙控遞質(zhì)
文件頁數(shù)： 61/120頁
文件大小： 516K
代理商： UPD17207GF
μ
PD17201A, 17207
61
Fig. 11-3 LCD Controller/Driver Control Register
Bit 3
Bit 2
Bit 1
Bit 0
R
R/W
R/W
0
0
0
0
Read/write
Default at reset
RF: 31H
R/W
0
0
0
0
0
0
1
1
0
1
0
1
f
w
/(2
×
2
6
)
[256 Hz]
f
w
/(2
×
2
5
)
[512Hz]
[64 Hz]
[128 Hz]
f
w
/(3
×
2
6
)
[170 Hz]
[341.3 Hz]
[42.6 Hz]
[85.3 Hz]
f
w
/(4
×
2
6
)
[128 Hz]
[256 Hz]
[32 Hz]
[64 Hz]
LCDCK2 LCDCK1 LCDCK0
LCDCK0 _ LCDCK2
Mode 1
1/2 duty
Mode 2
1/3 duty
Mode 3
1/4 duty
Frame Frequency
Others
Inhibited
1.
f
w
= f
xt
or f
x
/2
7
2.
[ ] : Frequency for f
w
= 32.768 kHz
LCDEN
0
1
Turns off the LCD display. (all segment signals are on unselected)
Turns on LCD display.
Function
LCDEN
Remark
LCDEN
LCDCK2 LCDCK1 LCDCK0
Read = R, Write = W
f
w
/(3
×
2
5
)
f
w
/(4
×
2
5
)
f
w
/(2
×
2
8
)
f
w
/(3
×
2
8
)
f
w
/(4
×
2
8
)
f
w
/(2
×
2
7
)
f
w
/(3
×
2
7
)
f
w
/(4
×
2
7
)
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