Ic Pin Function Descriptions - Sony STR-K760P Service Manual

3-16. IC PIN FUNCTION DESCRIPTIONS

• IC1601 MB90478PF-G-170-BNDE1 (SYSTEM CONTROL)
Pin No. Pin Name
1 DATAO
2 GP9
3 BST
4 HCS
5 HACN
6 XRST
7 PM
8 PD
9 SMUTE
10 CDT1
11 VSS
12 SCL
13 CS
14 DATA
15 CLK
16 LATCH
17 SPK B RELAY
18 HDOUT
19 HDIN
20 HCLK
21 F.MUTE
22 AC MUTE
23 VCC5
24 ANA/DIG
25 HP DETECT
26 NC
27 FLASH2
28 FLASH1
29 NC
30 NC
31 NC
32 NC
33 SCL
34 SDA
35 AVCC
36 AVRH
37 AVSS
38 A/D0
39 A/D1
40 A/D2
41 A/D3
42 VSS
43 RDS SIGNAL
44 MODEL
45 VERSION
46 BLUE LED
47 CRYSTAL SEL
48 STOP
49 MD0
50 MD1
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 Power down signal output to AUDIO CODEC
O Muting signal output to AUDIO CODEC
O Control data signal output to AUDIO CODEC
— Ground terminal
O Clock signal output to AUDIO CODEC
O Chip select signal output to AUDIO CODEC
O Control data signal output to the sound processor
O Clock signal output to the sound processor
O Latch signal output to the sound processor
O Speaker B relay control signal output
I HDOUT signal input from DSP
O HDIN signal output to DSP
O Clock signal output to DSP
O Muting signal output
O Muting signal output to the power amplifier
— Power supply
O Muting and error signal output
I Headphone switch detect signal input
— Short to ground terminal
O Terminal for FLASH programming
I/O Terminal for FLASH programming
— Short to ground terminal
— Short to ground terminal
— Short to ground terminal
— Short to ground terminal
O Serial clock output
I/O Serial data input or output
— Analog power supply
I Analog reference voltage input
— Analog ground terminal
I Function key push signal input
I Function key push signal input
I Function key push signal input
I Function key push signal input
— Ground terminal
I RDS signal detect input
I Version setting input (MODEL)
I Version setting input (DESTINATION)
— Short to ground terminal
— Short to ground terminal
I AC off detect signal input
I Operation mode setting input
I Operation mode setting input
Description
STR-K760P
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