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JVC KD-SH9750 Service Manual page 57

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• Pin function
Pin No.
Symbol
1
/RESET
2
MiMD
3
/MiCS
/WE
4
/MiLP
/RAS
5
MiDio
6
/MiCK
7
MiACK
A11R
8
VDDT
9
SDo
10
BCKo
11
LRCKo
12
SDi0
13
BCKiA
14
LRCKiA
15
SDi1
A0
16
BCKiB
A1
17
LRCKiB
A2
18
VDD
19
STANBY
20
VSS
21
VSSL
22
VRAL
TE
L 13942296513
23
LO
24
VDAL
25
VDAR
26
RO
27
VRAR
28
VSSR
29
TESTP
30
TXO
31
Po0
A3
32
Po1
A4
33
Po2
A5
34
Po3
A6
35
VDDT
36
Po4
A7
37
Po5
A8
38
Po6
A9
39
Po7
40
VSS
www
41
IRQ/REQ
A11R
42
VDDM
43
Fi0
.
/OE
44
Fi1
/CAS
45
VSSM
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I/O
I
Hard reset input (H:Operation L: Reset)
I
Mode select input for MCU interface (H:IIC L:Serial)
I
Chip select input for MCU interface
O
Write-enable for external DRAM
I
Latch pulse input for MCU interface
O
Low address strobe for external DRAM
I/O
Data input and output for MCU interface (IIC:SDA)
I
Clock input for MCU interface (IIC:SCL)
O
Acknowledge output for MCU interface
O
Address output-11 for external DRAM
-
Power supply for digital circuit (3.3V)
O
Data output
O
Bit clock output
O
LR clock output
I
Data input-0
I
Bit clock input-A
I
LR clock input-A
I
Data input-1 (Address output-5 for external SRAM)
O
Address output-1 for external DRAM
I
Bit clock input-B
O
External DRAM address output-1
I
LR clock input-B (Enable signal output for external SRAM)
O
Address-2 for external DRAM
-
Power supply for digital circuit (2.5V)
I
Control input for stand-by mode (H:STB,L:Normal)
-
Ground for digital circuit
-
Ground for DAC Lch
-
Reference voltage for DAC Lch
O
DAC Lch output
-
Power supply for DAC Lch (2.5V)
-
Power supply for DAC Rch (2.5V)
O
DAC Rch output
-
Reference voltage for DAC Rch
-
Ground for DAC Rch
I
Test terminal (H:Test mode L:Normal)
O
SPDIF output
O
General output port-0
O
Address-3 for external DRAM
O
General output port-1
O
Address-4 for external DRAM
O
General output port-2
O
Address-5 for external DRAM
O
General output port-3
O
Address-6 for external DRAM
-
Power supply for digital circuit (3.3V)
O
General output port-4
O
Address-7 for external DRAM
O
General output port-5 (Address output-7 for external SRAM)
O
Address-8 for external DRAM
O
General output port-6 (Address output-6 for external SRAM)
O
Address-9 for external DRAM
O
General output port-7
-
Ground for digital circuit
I/O
Interruption input (BS I/F:REQ output)
O
Address-11 for external DRAM
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ao
u163
y
-
Power supply for built-in 1Mbit SRAM (2.5V)
I
Flag input-0
i
O
Enable output for external up DRAM
I
Flag input-1
O
Column address strobe for external DRAM
-
Ground for built-in 1Mbit SRAM
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2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
(No.49831)1-57
9 9
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