W53300 Datasheet, PDF (8/9 Pages) Winbond – 16Voice/Melody/LCD Controller(View TalkTM Series)

W53300/W53320
VCC1
Output Signal
0.1 uF
VCC1
RXIN
32.768
KHz
VCC2
RA0
RA3
RB0
RB1
RB2
RB3
RC0
RC1
RC2
RC3
RD0
RD1
RD2
RD3
RES
VDD
COM0
COM15
SEG0
LCD (1/5 Bias
PANEL ^{1/16 Duty)}
16 COM *48 SEG
SEG47
DH1
DH2
VDD2
1 uF
+
VCC1
VDD3
1 uF
+
V6
V5
V4
V3
V2
LED2
0.1 uF
0.1 uF
0.1 uF
0.1 uF
0.1 uF
VSS
VCC2
XOUT
W53300
XIN
X32I
LED1
RE0
RE1
RE2
RE3
X32O
PWM1
PWM2
VDDP
VSS1 VSS2 ^ROSC
buzzer ^VCC1
or
speaker
ROSC
Note: 1.VCC2 supports high current driving capability to PWM1, PWM2, LED1 and LED2.
2.Double pump, 1/5 bias
3.Two resistors could be added that one is V5~V6, anther V2~VSS for good display.
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