W541E261 Datasheet, PDF (11/13 Pages) Winbond – 4BIT MICROCONTROLLER, 2K ×16 ROM, 128 ×4 RAM 128 -DOT LCD

W541E/C261 DATA SHEET
7. TYPICAL APPLICATION CIRCUIT
Vcc
Output Signal
RA0
RA3
RB0
RB1
RB2
RB3
RC0
RC1
RC2
RC3
RD0
RD1
RD2
RD3
VDD
COM0
COM3
SEG0
SEG31
DH1
DH2
VDD1
VDD2
VDD3
LCD
PANEL
(1/3 Bias
1/4 Duty)
0.1 uF
Connect to capacitor and VDD
to generate LCD voltage
Vcc
RES
0.1 uF
32.768
KHz
XOUT
XIN
OSCOUT
OSCIN _VSS
RE0
RE1
RE2
RE3
MFP
470 Ω
Vcc
0.1 uF
- 11 -
Publication Release Date: June 12, 2007
Revision A1