BDV-IS1000, BDV-IT1000, BDV-IT1000ES, HCD-IS1000, HCD-IT1000 - Sony Audio Service Manual (repair manual). Page 114

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HCD-IS1000/IT1000/IT1000ES
114
HD BOARD  IC503  R5F3640MDFAR (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP_SCDT/DIR_DIN
O
Serial data output to the digital audio interface receiver and stream processor
2
DAMP_SHIFT/DIR_DIN
O
Serial data transfer clock signal output to the digital audio interface receiver and stream 
processor
3
CEC_IN
I
CEC serial data input from the HDMI connector
4
SIRCS_IN
I
SIRCS signal input from the remote control receiver
5
DSP_MOSI
O
Serial data output to the serial fl ash and DSP
6
DSP_MISO
I
Serial data input from the serial fl ash and DSP
7
DSP_SPICLK
O
Serial data transfer clock signal output to the serial fl ash and DSP
8
BYTE
I
External data bus width selection signal input terminal    "L": 16 bit    Fixed at "L" in this set
9
CNVss
I
Processor mode selection signal input terminal    "L": single chip mode    
Fixed at "L" in this set
10
Xcin
I
Sub system clock input terminal (32.768 kHz)
11
Xcout
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator    "L": reset    
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
13
Xout
O
Main system clock output terminal (6 MHz)
14
Vss
-
Ground terminal
15
Xin
I
Main system clock input terminal (6 MHz)
16
Vcc
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal    Not used
18
DIR_DATA0
I
Audio serial data input from the digital audio interface receiver
19
LED_LAT
O
Chip select signal output to the LED driver
20
S-AIR_GPIO2
I
Interrupt signal input from the wireless transceiver (EZW-RT10)
21
DSP_SPIENA
I
Chip enable signal input from the DSP
22
DIR_CKST
I
Clock selection signal input from the digital audio interface receiver
23
FL_CLK/LED_CLK
O
Serial data transfer clock signal output to the fl uorescent indicator tube driver and LED driver
24
FL_DOUT/LED_DOUT
O
Serial data output to the fl uorescent indicator tube driver and LED driver
25
DSP_INTR
I
Interrupt signal input from the DSP
26
LED_PWM
O
Power on/off control signal output terminal for HDMI and S-AIR indicators    "H": power on
27
FL_CS
O
Chip select signal output to the fl uorescent indicator tube driver
28
CEC_OUT
O
CEC serial data output to the HDMI connector
29
I2C_CLK
I/O
Two-way I2C clock bus terminal    Not used
30
I2C_DATA
I/O
Two-way I2C data bus terminal    Not used
31
BD_SDI
O
Serial data output to the BD decoder
32
BD_SDO
I
Serial data input from the BD decoder
33
BD_SCLK
O
Serial data transfer clock signal output to the BD decoder
34
BD_IF_START
O
Busy request signal output to the BD decoder    "L": busy
35
HDMI_RXD
O
Serial data output to the HDMI controller
36
HDMI_TXD
I
Serial data input from the HDMI controller
37
BD_CS
O
Chip select signal output to the BD decoder
38
SYNC_SEP_SCL
O
I2C clock signal output to the sync separator
39
SYNC_SEP_SDA
I/O
Two-way I2C data bus with the sync separator
40 to 43
BD_PCONT1 to 
BD_CONT4
O
Power on/off control signal output terminal    "H": power on
44
BD_PCONT5
O
Power on/off control signal output terminal    Not used
45
BD_PCONT6
O
Power on/off control signal output terminal for BD drive    "H": power on
46
DC_DETECT
I
Over load detection signal input terminal    "L": over load
47
DMPORT_RXD
O
Serial data output to the DMPORT connector
48
DMPORT_TXD
I
Serial data input from the DMPORT connector
49, 50
OVERFLOW1,
OVERFLOW2
O
Overfl ow detection signal input from the stream processor    "L": overfl ow
51, 52
DAMP_LATCH1, 
DAMP_LATCH2
O
Serial data latch pulse signal output to the stream processor
53
DAMP_LATCH3
O
Serial data latch pulse signal output to the stream processor (IT1000ES only)
54
DRIVER_RST
O
Reset signal output to the power amplifi er    "L": reset
55
DAMP_SOFT_MUTE
O
Soft muting on/off control signal output to stream processor    "L": muting on
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