參數(shù)資料
型號(hào): W742E
廠商: WINBOND ELECTRONICS CORP
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁(yè)數(shù): 49/66頁(yè)
文件大?。?/td> 303K
代理商: W742E
Preliminary W742C(E)811
Publication Release Date: May 1999
- 49 -
Revision A1
V
CP
CN
VLCD1
Internal
Pump
Circuit
EN
VLCD2
VLCD
V3
V2
V1
V4
Vss
STOP
LCDOFF
Code Option
S1
VR
Note: VR is determined by LCDCN register
R
R
R
R
R
DD
Figure 5-18 LCD power control circuit
Note: W means write only.
W
W
W
0
1
2
3
LCDCC
LCDCC
VLCD/VLCD2
0000H
1.00
0001H
0.96
0010H
0.93
0011H
0.89
0100H
0.86
0101H
0.81
0110H
0.76
0111H
0.71
Bit 3 is reserved.
5.25.3 SEG32-SEG39 using as DC output (NMOS open drain type)
SEG32-SEG39 pins output type can be changed to DC output mode by code mask option. The
correspoinding control resigters are LCD RAM address LCDR40 and LCDR41, these two parts are
individually enabled by code mask option. LCDR40 controls the SEG32
SEG35 pins and LCDR41
controls the SEG36
SEG39 pins. When SEG32
SEG39 are used as DC output, their output type is
NMOS open drain type. The instruction MOV @LP,R outputs the RAM data to SEG32
39, when
SEG32
SEG35 operate in DC output mode.
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