Sony STR-K5900P Service Manual page 40

STR-K5900P/K9900P
IC1101 MB90488BPF-G-137E1 (SYSTEM CONTROL) (DIGITAL Board (4/4))
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
21 DLY_BYPASS
22 DIR/AD
23 VCC5
24 SYS_MUTE
25 ANA/DIG
26 UPCON_RST
27 FLASH2_VOL/VOL_CLK
28 FLASH1/VOL_DATA_LATCH
29 SDA
30 SCL
31 ENC_A
32 ENC_B
33 UPCON
34 UPCON_CLK
35 AVCC
36 AVRH
37 AVSS
38 to 40 A/D0 to A/D2
41 VERSION
42 VSS
43 RDS_SIG
44 MODEL
45 VOL_ENC (A)
46 VOL_ENC (B)
47 BLUE_LED
48 STOP
49 MOD0
50 MOD1
51 MOD2
52 RDS_CLK
53 RDS_DATA
54 SIRCS
40
I/O
I Serial data line signal input from DIR IC
I GP9 signal input from DSP IC
O Boot stop control signal output for DSP IC
O Chip select signal output for DSP IC
I Acknowledge signal input from DSP IC
O Reset signal output for DSP IC
O PLL control signal output for DSP IC
O GP12 signal output for DSP IC
O Reset signal output for ADC IC
O Reset signal output for 8CH DAC IC
— Ground
O Serial latch signal output for 8CH DAC IC
O Serial clock signal output for 8CH DAC IC
O Serial data output for 8CH DAC IC
I Serial data input from 8CH DAC IC
O Serial clock signal output for tuner pack
O Serial data output for tuner pack
I Serial data input from DSP IC
O Serial data output for DSP IC
O Serial data clock signal output for DSP IC
O Not used (Fixed at L)
O Not used (Fixed at L)
— Power supply pin (+3.4 V)
O System mute control signal output
O Analog/Digital port signal output
O Not used (Open)
O Flash programming signal output 2/Volume clock signal output
O Flash programming signal output 1/Volume data latch signal output
I/O Serial data input/output for EEPROM IC
O Clock signal output for EEPROM IC
O Not used (Fixed at L)
O Not used (Fixed at L)
O Not used (Open)
O Not used (Open)
— Power supply pin (+3.4 V)
— Power supply pin (+3.4 V)
— Ground
I Key signal input (A/D port)
I Destination detection signal input (Fixed at L)
— Ground
I Not used (Fixed at L)
I Model detection signal input (Fixed at L)
I Volume encoder (A) signal input
I Volume encoder (B) signal input
O LED (MULTI CHANNEL DECODING) driver signal output
I AC off detection signal input
— Selection of micon operation mode
— Not used (Connect to AVCC)
— Selection of micon operation mode
I Not used (Fixed at L)
I Not used (Fixed at L)
I SIRCS signal input
Pin Description