Sony DG510 - STR AV Receiver Service Manual page 45

• IC Pin Descriptions
IC1905 CXD9862R (DSP) (DIGITAL BOARD (3/4))
Pin No. Pin Name
1 VSS
2 XRST
3 EXTIN
4 LRCKI3
5 VDDI
6 BCKI3
7 PLOCK
8 VSS
9 MCLK1
10 VDDI
11 VSS
12 MCLK2
13 MS
14 SCKOUT
15 LRCKI1
16 VDDE
17 BCKI1
18 SDI1
19 LRCKO
20 BCKO
21 VSS
22 KFSIO
23 to 25 SDO1 to SDO3
26 SDO4
27 SPDIF
28 LRCKI2
29 BCKI2
30 SDI2
31 VSS
32 HACN
33 HDIN
34 HCLK
35 HDOUT
36 HCS
37 GP12
38, 39 GP13, GP14
40 VDDI
41 VSS
42 GP15
43 OE0
44 CS0
45 WE0
46 VDDE
47 WMD1
48 VSS
49 WMD0
50 PAGE2
51 VSS
52, 53 PAGE1, PAGE0
54 BOOT
55 TST1
I/O
— Ground
I Reset signal input from SYSTEM CONTROL IC
I Not used (Connect to ground)
I Not used (Connect to ground)
I Power supply pin (+1.9 V)
I Not used (Connect to ground)
O Not used (Open)
— Ground
I Clock signal input (13.9 MHz)
I Power supply pin (+1.9 V)
— Ground
O Clock signal output (13.9 MHz)
I Not used (Fixed at L)
O Internal system clock signal output for 6CH DAC IC
I Sampling clock signal input from ADC IC
I Power supply pin (+3.4 V)
I Bit clock signal input from ADC IC
I Audio IF data input from ADC IC
O Sampling clock signal output for 6CH DAC IC
O Bit clock signal output for 6CH DAC IC
— Ground
I/O Audio clock signal (384fs/256fs) input/output for DIR IC
O Digital audio serial data output for 6CH DAC IC
O Not used (Open)
O Not used (Open)
I Sampling clock signal input from ADC IC
I Bit clock signal input from ADC IC
I Digital audio serial data input from DIR IC
— Ground
O Acknowledge signal output for SYSTEM CONTROL IC
I Serial data input from SYSTEM CONTROL IC
I Clock signal input from SYSTEM CONTROL IC
O Serial data output for SYSTEM CONTROL IC
I Chip select signal input from SYSTEM CONTROL IC
I GP12 signal input from SYSTEM CONTROL IC
O Not used (Open)
I Power supply pin (+1.9 V)
— Ground
O Not used (Open)
O SDRAM output enable signal output for D/A converter IC (SDRAM)
O External memory chip select signal output for D/A converter IC (SDRAM)
O SDRAM write enable signal output for D/A converter IC (SDRAM)
I Power supply pin (+3.4 V)
I Not used (Fixed at H)
— Ground
I Not used (Fixed at H)
O Not used (Open)
— Ground
O Not used (Open)
I Not used (Connect to ground)
O Not used (Open)
Pin Description
STR-DG510
45