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• IC Block Diagrams
– MAIN Board –
IC1001 RV5C348A-E2
32KHz
32K OUT
1
OUTPUT
CONTROL
SCLK
2
I/O
CONTROL
SO
3
SI
4
VSS
5
IC5000 MBM29LV400BC-90PBT-SJDE1-4
36 35 34 33
32
DQ7
37
DQ14
38
DQ13
39
DQ6
40
A13
41
A12
42
A14
43
A15
44
A16
45
BYTE
46
4,194,304
MATRIX
DECOCER
STB
DQ15/A-1
47
VSS
48
1 2 3
ALARM W REGISTER
COMPARATOR W
(WEEK,MIN,HOUR)
ALARM D REGISTER
COMPARATOR D
(MIN,HOUR)
TIME COUNTER
(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)
ADDRESS
ADDRESS
DECORDER
REGISTER
SHIFT REGISTER
INTERRUPT CONTROL
31
30 29
28 27
26
CONTROL CIRCUIT
COMMAND
REGISTER
LOW VOLTAGE
DETECT CIRCUIT
WRITE
ERASE
CIRCUIT
CIRCUIT
WRITE/ERASE
PULSE TIMER
STB
DATA
CELL
Y GATE
LATCH
CHIP ENABLE/
X
Y
OUTPUT ENABLE
DECOCER
CIRCUIT
ADDRESS LATCH
4 5
6
VOLTAGE
DETECT
DIVIDER
DIV
CORRECTION
OSC
DETECT
25
RY/BY
BUFFER
I/O
BUFFER
7
8
9 10
11 12
10
VDD
9
OSC IN
OSC
8
OSC OUT
7
CE
/INTR
6
24
DQ3
23
DQ11
22
DQ10
21
DQ2
20
NC
19
NC
18
NC
17
RY/BY
16
DQ1
15
DQ9
14
DQ8
13
DQ0
NW-MS6
27
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