Read Sony HT-CT550W / STR-CT550WT Service Manual online
STR-CT550WT
47
MAIN BOARD IC5001 ADSST-AVR-3010 (DSP)
Pin No.
Pin Name
I/O
Description
1
SDDQM
O
DQM data mask terminal Not used
2
MS0
O
Memory select terminal Not used
3
SDCKE
O
SDRAM clock enable terminal Not used
4
VDD_INT
-
Power supply terminal (+1.2V) (for core)
5
CLK_CFG1
I
Clock frequency setting terminal Fixed at “L” in this unit
6
ADDR0
O
Address signal output terminal Not used
7
BOOT_CFG0
I
Boot mode selection signal input terminal Fixed at “H” in this unit
8
VDD_EXT
-
Power supply terminal (+3.3V) (for I/O)
9 to 13
ADDR1 to ADDR5
O
Address signal output terminal Not used
14
BOOT_CFG1
I
Boot mode selection signal input terminal
15
GND
-
Ground terminal
16, 17
ADDR6, ADDR7
O
Address signal output terminal Not used
18, 19
N. A
-
Not used
20, 21
ADDR8, ADDR9
O
Address signal output terminal Not used
22
CLK_CFG0
I
Clock frequency setting terminal Fixed at “L” in this unit
23
VDD_INT
-
Power supply terminal (+1.2V) (for core)
24
CLKIN
I
System clock input terminal (25 MHz)
25
XTAL2
O
System clock output terminal (25 MHz)
26
ADDR10
O
Address signal output terminal Not used
27
SDA10
O
Not used
28
VDD_EXT
-
Power supply terminal (+3.3V) (for I/O)
29
VDD_INT
-
Power supply terminal (+1.2V) (for core)
30 to 33
ADDR11, ADDR12,
ADDR17, ADDR13
O
Address signal output terminal Not used
34
VDD_INT
-
Power supply terminal (+1.2V) (for core)
35
ADDR18
O
Address signal output terminal Not used
36
RESETOUT/
RUNRSTIN
I/O
Reset signal output terminal/Running reset signal input terminal Not used
37
VDD_INT
-
Power supply terminal (+1.2V) (for core)
38
MOSI
I
Serial data input from the system controller
39
MISO
O
Serial data output to the system controller
40
SPICLK
I
Serial data transfer clock signal input from the system controller
41
VDD_INT
-
Power supply terminal (+1.2V) (for core)
42
DPI_P05
I
Chip select signal input from the system controller
43
DSP_CS
I
Chip select signal input from the system controller
44
MD
-
Not used
45
VDD_EXT
-
Power supply terminal (+3.3V) (for I/O)
46
NC
-
Not used
47
RESET_MAIN
I
Reset signal input terminal Not used
48
VDD_INT
-
Power supply terminal (+1.2V) (for core)
49
UART_OUT
O
Serial data output to the system controller
50
UART_IN
I
Serial data input from the system controller
51
LED
O
Not used
52 to 56
NC
-
Not used
57
VDD_EXT
-
Power supply terminal (+3.3V) (for I/O)
58 to 61
NC
-
Not used
62
VDD_INT
-
Power supply terminal (+1.2V) (for core)
63, 64
NC
-
Not used
65
VDD_INT
-
Power supply terminal (+1.2V) (for core)
66, 67
NC
-
Not used
68
VDD_INT
-
Power supply terminal (+1.2V) (for core)
69
NC
-
Not used
70
WDTRSTO
O
Watchdog timer reset out terminal Not used
71
NC
-
Not used
72
VDD_EXT
-
Power supply terminal (+3.3V) (for I/O)
73
SL/SR_OUT
O
Audio signal output terminal Not used
74
SL/SR_IN
I
Audio signal input from the digital audio interface receiver
75
BCLK_IN
I
Bit clock signal input from the digital audio interface receiver
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