43
HCD-CPX1
IC603
PCM1802DBR
SINGLE-END/
DIFFERENTIAL
CONVERTER
5TH ORDER
DELTA-SIGMA
MODULATOR
VINL
1
SINGLE-END/
DIFFERENTIAL
CONVERTER
VINR
2
VREF1
3
VREF2
4
5TH ORDER
DELTA-SIGMA
MODULATOR
REFERENCE
x16 1/64
(x1/128)
DECIMATION
FILTER
WITH
DC CUT
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
DOUT
12
BCK
11
OSR
16
SCKI
15
VDD
14
DGND
13
CLOCK & TIMING CONTROL
PDWN
7
BYPAS
8
VCC
5
AGND
6
FSYNC
9
LRCK 10
POWER
SUPPLY
– LCD Board –
IC803
BU9728AKS
2
3
6
7
8
9
10
11
12
TIMING
GENERATOR
LCD DRIVER
BIAS CIRCUIT
COMMON
COUNTER
4
5
SERIAL
INTERFACE
ADDRESS
COUNTER
COMMAND/DATA
REGISTER
COMMAND
DECODER
DISPLAY DATA RAM
(DD RAM)
LCD
SEGMENT
DRIVER
32BITS
55 – 44
20 – 27
OSC1
1
N.C.
OSC2
V1
V2
V3
VSS
VDD
SCK
SD
CS
C/D
19
RESET
SEG31
ı
SEG2
0
SEG0
ı
SEG7
SEG19
ı
SEG8
17
16
18
COM3
COM2
COM1
15
N.C
28
N.C
13
COM0
14
N.C
41
ı
30
LCD COMMON
DRIVER 4BITS
29
N.C
42
N.C
43
N.C
56
N.C