W536030A Datasheet, PDF (12/12 Pages) Winbond – VOICE/ MELODY / LCD CONTROLLER

  

APPLICATION CIRCUIT---2 : Sub clock with Crystal mode
VLCD> (VDD-0.5v)
Panel
RA0~3
RB0~3
RC0~3
RD0~3
RE0~3
RF0~3
VDD
( 2) ^* _R5
RES
Battery
C9
VDDP
C11
C10
R4
VDD
R1 _ROSC
R3
XIN
C7
X32IN
32.768kHz
C8
X32O
VDDP
W536xxxA
470
(*3)
PWMP/DAC
PWMN
DH1
DH2
+ ^C-¹
V6
C6
(*1)
V5
C5
V4
C4
V3
C3
V2
C2
Component C1~C6 C7,C8 C9,C10 C11 R1 R2 R3
R4
Value
0.1uF 15~20pF 0.1uF 1uF 680K - 680Kohm/1Mhz 100
330Kohm/2Mhz
200Kohm/3Mhz
130Kohm/4Mhz
Note:
(1) C1~C6 depends on LCD panel dot size.
(2) Option R5 equals to 100Ω if high noise immunity is needed.
(3) For DAC option application.
(4) To sure chip operation properly, please bond all VDDP, VDD, VSSP and VSS .
Publication Release Date:April 2000
- 12 -
Revision A6