Sony STR-K1000P Service Manual page 36

STR-K1000P
• IC Pin Function Description
DIGITAL BOARD IC1101 MB90488BPF-G-144E1 (SYSTEM CONTROL)
Pin No. Pin Name
1 DATAO
2 GP9
3 BST
4 HCS
5 HACN
6 XRST
7 PM
8 GP12
9 PCM1800RST
10 PCM1608RST
11 VSS
12 PCM1608ML
13 PCM1608MC
14 PCM1608MDI
15 PCM1608MDO
16 T_CLK
17 T_DI
18 HDOUT
19 HDIN
20 HCLK
21 DLY_B PASS
22 DIR/AD
23 VCC5
24 SYS_MUTE
25 ANA/DIG
26 UPCON_RST
27 FLASH2/VOL_CL
28 FLASH1/VOL_DA
29 SDA
30 SCL
31 ENC_A
32 ENC_B
33 UPCON
34 UPCON_CLK
35 AVCC
36 AVRH
37 AVSS
38 A/D0
39 A/D1
40 A/D2
41 VERSION
42 VSS
43 RDS SIG
44 MODEL
45 VOL ENCODER (A)
46 VOL ENCODER (B)
47 BLUE LED
36
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 to 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
— Connected to ground terminal
— Connected to ground terminal
— 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
I EEPROM data signal input terminal
O EEPROM clock signal output terminal
— Short to ground terminal
— Short to ground terminal
— Not used
— Not used
— 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 Version setting input terminal (DESTINATION)
— Ground terminal
I RDS signal detect input (connected to ground terminal)
I Version setting input (MODEL)
I Volume signal input from rotary encoder
I Volume signal input from rotary encoder
O Blue LED signal control output
Description