Sony STR-K700 Service Manual - Page 31

IC Pin Function Description, DIGITAL BOARD, IC1101, MB90488BPF-G-174E1 SYSTEM CONTROL, Pin No., Pin - model

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• IC Pin Function Description DIGITAL BOARD IC1101 MB90488BPF-G-174E1 (SYSTEM CONTROL) Pin No. Pin Name I/O Description 1 DATAO I Audio data signal input from DIR 2 GP9 I GP9 signal input from DSP 3 BST O BST signal output to DSP 4 HCS O HCS signal output to DSP 5 HACN I HACN signal input from DSP 6 XRST O Reset signal output to DSP 7 PM O PM signal output to DSP 8 GP12 O GP12 signal output to DSP 9 PCM1800_RST O IC reset signal output to ADC 10 PCM1608_RST O IC reset signal output to DAC 11 VSS - Ground terminal 12 PCM1608_ML O Latch signal output to DAC 13 PCM1608_MC O Clock signal output to DAC 14 PCM1608_MDI O IC data output to DAC 15 PCM1608_MDO I IC data input from DAC 16 T.SERIAL_CLK O Tuner clock signal output terminal 17 TUNER_DI O Tuner data signal output terminal 18 HDOUT I HDOUT signal input from DSP 19 HDIN O HDIN signal output to DSP 20 HCLK O Clock signal output to DSP 21 VOL_CLK O Clock signal output to the ASP 22 VOL_DATA_LATCH O Data output to the ASP 23 VCC5 - Power supply (+3.3V) 24 SYS_MUTE O Muting and error signal output 25 ANA/DIG O Analog signal or digital signal output terminal 26 NOT_USED - Not used 27 FLASH2 O FLASH2 signal output (not used) 28 FLASH1 O FLASH1 signal output (not used) 29 SDA I EEPROM data signal input terminal 30 SCL O EEPROM clock signal output terminal 31 I/P_SEL (A) I Input Encoder (A) signal input 32 I/P_SEL (B) I Input Encoder (B) signal input 33 NOT_USED - Not used 34 NOT_USED - Not used 35 AVCC - Analog power supply (+3.3V) 36 AVRH I Analog reference voltage input (+3.3V) 37 AVSS - Analog ground terminal 38 A/D0 I Function key push signal input 39 A/D1 I Function key push signal input 40 A/D2 I Function key push signal input 41 VERSION I Version setting input terminal (DESTINATION) 42 VSS - Ground terminal 43 RDS_SIG I RDS signal detect input (connected to ground terminal) 44 MODEL I MODEL select input 45 ADCC_ANALOGUE_IN I ADCC signal input 46 VACS I VACS control signal input 47 FL_LAT O FL driver latch signal output STR-K700 31

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31
STR-K700
•
IC Pin Function Description
DIGITAL BOARD
IC1101
MB90488BPF-G-174E1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
DATAO
I
Audio data signal input from DIR
2
GP9
I
GP9 signal input from DSP
3
BST
O
BST signal output to DSP
4
HCS
O
HCS signal output to DSP
5
HACN
I
HACN signal input from DSP
6
XRST
O
Reset signal output to DSP
7
PM
O
PM signal output to DSP
8
GP12
O
GP12 signal output to DSP
9
PCM1800_RST
O
IC reset signal output to ADC
10
PCM1608_RST
O
IC reset signal output to DAC
11
VSS
—
Ground terminal
12
PCM1608_ML
O
Latch signal output to DAC
13
PCM1608_MC
O
Clock signal output to DAC
14
PCM1608_MDI
O
IC data output to DAC
15
PCM1608_MDO
I
IC data input from DAC
16
T.SERIAL_CLK
O
Tuner clock signal output terminal
17
TUNER_DI
O
Tuner data signal output terminal
18
HDOUT
I
HDOUT signal input from DSP
19
HDIN
O
HDIN signal output to DSP
20
HCLK
O
Clock signal output to DSP
21
VOL_CLK
O
Clock signal output to the ASP
22
VOL_DATA_LATCH
O
Data output to the ASP
23
VCC5
—
Power supply (+3.3V)
24
SYS_MUTE
O
Muting and error signal output
25
ANA/DIG
O
Analog signal or digital signal output terminal
26
NOT_USED
—
Not used
27
FLASH2
O
FLASH2 signal output (not used)
28
FLASH1
O
FLASH1 signal output (not used)
29
SDA
I
EEPROM data signal input terminal
30
SCL
O
EEPROM clock signal output terminal
31
I/P_SEL (A)
I
Input Encoder (A) signal input
32
I/P_SEL (B)
I
Input Encoder (B) signal input
33
NOT_USED
—
Not used
34
NOT_USED
—
Not used
35
AVCC
—
Analog power supply (+3.3V)
36
AVRH
I
Analog reference voltage input (+3.3V)
37
AVSS
—
Analog ground terminal
38
A/D0
I
Function key push signal input
39
A/D1
I
Function key push signal input
40
A/D2
I
Function key push signal input
41
VERSION
I
Version setting input terminal (DESTINATION)
42
VSS
—
Ground terminal
43
RDS_SIG
I
RDS signal detect input (connected to ground terminal)
44
MODEL
I
MODEL select input
45
ADCC_ANALOGUE_IN
I
ADCC signal input
46
VACS
I
VACS control signal input
47
FL_LAT
O
FL driver latch signal output