Sony STR-K785 Service Manual page 36

STR-K785
Ver. 1.1
QQ
3 7 63 1515 0
• IC Pin Function Description
DIGITAL BOARD IC1101 MB90488BPF-G-174E1 (SYSTEM CONTROL)
Pin No. Pin Name
1 DATAO
2 GP9
3 BST
4 HCS
5 HACN
6 XRST
7 PM
8 GP12
9 PCM1800_RST
10 PCM1608_RST
11 VSS
12 PCM1608_ML
13 PCM1608_MC
14 PCM1608_MDI
15 PCM1608_MDO
16 T.SERIAL_CLK
17 TUNER_DATA
18 HDOUT
19 HDIN
20 HCLK
TE
L 13942296513
21 VOL_CLK
22 VOL_DATA_LATCH
23 VCC5
24 SYS_MUTE
25 ANA/DIG
26 NOT_USED
27 FLASH2
28 FLASH1
29 SDA
30 SCL
31 I/P_SEL (A)
32 I/P_SEL (B)
33 NOT_USED
34 NOT_USED
35 AVCC
36 AVRH
37 AVSS
38 A/D0
39 A/D1
40 A/D2
41 VERSION
www
42 VSS
43 RDS_SIG
44 MODEL
.
45 ADCC_ANALOGUE_IN
46 VACS
47 FL_LAT
36
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I/O
I Audio data signal input from DIR
I GP9 signal input from DSP
O BST signal output to DSP
O HCS signal output to DSP
I HACN signal input from DSP
O Reset signal output to DSP
O PM signal output to DSP
O GP12 signal output to DSP
O IC reset signal output to ADC
O IC reset signal output to DAC
— Ground terminal
O Latch signal output to DAC
O Clock signal output to DAC
O IC data output to DAC
I IC data input from DAC
O Tuner clock signal output terminal
O Tuner data signal output terminal
I HDOUT signal input from DSP
O HDIN signal output to DSP
O Clock signal output to DSP
O Clock signal output to the ASP
O Data output to the ASP
— Power supply (+3.3V)
O Muting and error signal output
O Analog signal or digital signal output terminal
— Not used
O FLASH2 signal output (not used)
O FLASH1 signal output (not used)
I EEPROM data signal input terminal
O EEPROM clock signal output terminal
I Input Encoder (A) signal input
I Input Encoder (B) signal input
— Not used
— Not used
— Analog power supply (+3.3V)
I Analog reference voltage input (+3.3V)
— Analog ground terminal
I Function key push signal input
I Function key push signal input
I Function key push signal input
I Version setting input terminal (DESTINATION)
— Ground terminal
I RDS signal detect input (AEP) / Not used (Except AEP)
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I MODEL select input
i
I ADCC signal input
I VACS control signal input
O FL driver latch signal output
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2 9
8
Description
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3 6 7 1 3 1 5
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9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
9 9