– 71 –
IC518
MSM6782-01-MS (DIGITAL board)
1
2
3
4
5
6
7
8
CONTROL
REGISTER
(C
D
, C
E
, C
F
)
TIME
REGISTER
(SEC-YEAR, WEEK)
OSC
DECODER
ADDRESS
COUNTER
DATA
BUFFER
VDD
XT
XT
VSS
CE
CLK
DATA
I/O
STD.P
8
7
6
5
4
3
16
15
13
12
11
9
14
2
1
10
15BIT LATCH
0dB OVER
COUNTER
0dB OVER
COUNTER
0dB
OVER
LATCH
L.R
0dB
OVER
DETECTION
CIRCUIT
A
COMP
B
A
≥
B
ABSOLUTE
CIRCUIT
(BI-DIRECTION)
16BIT S.R
CONTROL
CIRCUIT
MAX
REG
(L-CH)
15BIT
LATCH
MAX
REG
(R-CH)
15BIT
LATCH
CONTROL
&
OVER
REG
OUT
REG
16BIT
LATCH
DATA
BUS
BUFFER
READ
WRITE
LOGIC
MPX
WR
WR
CS
CS
RD
WR
CS
RD
RD
VSS
DATA
BCK
LRCK
RESET
DB0
NC
DB1
DB2
DB3
A2
A1
VDD
IC702
MSM6338RS (DISPLAY board)
1
2
4
8
5
7
3
6
POWER
AMP
POWER
AMP
REG
INPUT
AMP
INPUT
AMP
CONTROL
VCC
VCC
REFERENCE
OUT2
OUT1
GND
IN 1
IN 2
IC523
M54641L (DIGITAL board)
Q
D
CK
CK
CLEAR
CLEAR
Q
D
CK
CLEAR
Q
D
1
2
3
4
5
6
7
8
Q
D
CK
CK
CLEAR
CLEAR
Q
D
CK
CLEAR
Q
D
16
15
14 13
12 11
10
9
CLEAR 1Q
1D 2D
2Q 3D
3Q
GND
Vcc
6Q
6D 5D
5Q 4D
4Q CLOCK
IC703
SN74HC174AN (DISPLAY board)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
