Sony XR-C9100R Service Manual page 44

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3 7 63 1515 0
IC900 MBM29F800-DISPU
A15
1
A14
2
A13
3
X
A12
4
DECODER
A11
5
A10
6
A9
7
ADDRESS
A8
LATCH
8
Y
DECODER
9 NC
10 NC
STB
WE CONTROL
11
CIRCUIT
RESET
12
13 NC
14 NC
RY/BY
15
A18
16
A17
17
A7
18
RY/BY
A6
BUFFER
19
A5
20
A4
21
A3
22
A2
23
A1
24
TE
L 13942296513
IC903 RSC-164
64–57
A15 1
EXTERNAL
MEMORY
A8 8
INTERFACE
GND
9
VDD 10
A7 11
PULSE WIDTH
MODULATOR
A2 16
OSC
1
XI 2
OSC
2
XO 2
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17 18 19 20 21
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CELL
MATRIX
Y GATE
I/O
BUFFER
DATA
LATCH
STB
LOW VCC
DETECTOR CIRCUIT
WRITE/ERASE
PULSE TIMER
WRITE CIRCUIT
ERASE CIRCUIT
CHIP ENABLE/
OUTPUT ENABLE
CIRCUIT
1 56 55 54 53 52 51 50
ADC MIX
ANALOG
DAC ADC
CONTROL
INTERNAL ROM
32K x 8
32K x 8
REGISTER SPACE
384 bytes
STACK SPACE
TIMER
8 bytes
1
TIMER
CPU
2
TIMING AND
CONTROL
SLEEP
POWER
CONTROL
PDN
x ao
y
PORT 1
i
22 23 24 25 26 27 28 29 30 31
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8
A16
48
BYTE
47
GND 46
DQ15/A–1
45
DQ7
44
DQ14
43
DQ6
42
DQ13
41
DQ5
40
DQ12
39
DQ4
38
VCC 37
DQ11
36
DQ3
35
DQ10
34
DQ2
33
DQ9
32
DQ1
31
DQ8
30
DQ0
29
OE
28
GND 27
CE
26
A0
25
Q Q
3 6 7 1 3
49
48 DACOUT
low 47
XML
high XMH
46
45 WRD
RDD
44
WRC
43
RDC
42
41
GND
VDD
40
39 CLK
38 DO
37
CE
36 DI
35
REQ
34
P.05
33 IGAIN0
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32
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9