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Sony STR-K670P Service Manual page 31

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• IC Pin Function Description
DIGITAL BOARD IC1101 MB90488BPF-G-137E1 (SYSTEM CONTROL)
Pin No.
Pin Name
1
2
3
4
5
6
7
8
9
PCM1800RST
10
PCM1608RST
11
12
PCM1608ML
13
PCM1608MC
14
PCM1608MDI
15
PCM1608MDO
16
17
18
19
20
TE
L 13942296513
21
DLY_B PASS
22
23
24
SYS_MUTE
25
ANA/DIG
26
UPCON_RST
27
FLASH2/VOL_CL
28
FLASH1/VOL_DA
29
30
31
32
33
34
UPCON_CLK
35
36
37
38
39
40
41
VERSION
www
42
43
RDS SIG
44
.
45
VOL ENCODER (A)
46
VOL ENCODER (B)
47
BLUE LED
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I/O
DATAO
I
Audio data signal input from DIR
GP9
I
GP9 signal input from DSP
BST
O
BST signal output to DSP
HCS
O
HCS signal output to DSP
HACN
I
HACN signal input from DSP
XRST
O
Reset signal output to DSP
PM
O
PM signal output to DSP
GP12
O
GP12 signal output to DSP
O
IC reset signal output to ADC
O
IC reset signal output to DAC
VSS
—
Ground terminal
O
Latch signal output to DAC
O
Clock signal output to DAC
O
IC data output to DAC
I
IC data input to DAC
T_CLK
O
Tuner clock signal output terminal
T_DI
O
Tuner data signal output terminal
HDOUT
I
HDOUT signal input from DSP
HDIN
O
HDIN signal output to DSP
HCLK
O
Clock signal output to DSP
—
Connected to ground terminal
DIR/AD
—
Connected to ground terminal
VCC5
—
Power supply
O
Muting and error signal output
O
Analog signal or digital signal output terminal
—
Not used
O
Volume IC clock signal output terminal
O
Volume IC data and latch signal output terminal
SDA
I
EEPROM data signal input terminal
SCL
O
EEPROM clock signal output terminal
ENC_A
—
Short to ground terminal
ENC_B
—
Short to ground terminal
UPCON
—
Not used
—
Not used
AVCC
—
Analog power supply
AVRH
I
Analog reference voltage input
AVSS
—
Analog ground terminal
A/D0
I
Function key push signal input
A/D1
I
Function key push signal input
A/D2
I
Function key push signal input
I
Version setting input terminal (DESTINATION)
VSS
—
Ground terminal
I
RDS signal detect input
x
ao
y
MODEL
I
Version setting input (MODEL)
i
I
Volume signal input from rotary encoder
I
Volume signal input from rotary encoder
—
Not used
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