50
Pin No.
Pin Name
I/O
Description
1
SCLK
O
Serial clock signal output to the dolby digital audio decoder (IC1301)
2
SI
I
Serial data input from the dolby digital audio decoder (IC1301)
3
SO
O
Serial data output to the dolby digital audio decoder (IC1301)
4
CS
O
Chip select signal output to the dolby digital audio decoder (IC1301)
5
IC
O
Reset signal output to the dolby digital audio decoder (IC1301)
6
DSIG
I
Data detect signal input from the digital audio interface receiver (IC1101)
7
NC
O
Not used (fixed at “L”)
8
VCC
—
Power supply terminal (+5V)
9
SIN0
I
UART signal input from the display controller (IC102)
10
SOT0
O
UART signal output to the display controller (IC102)
11, 12
NC
O
Not used (fixed at “L”)
13
XHDWR
O
Data write output to the audio DSP (IC1401)
14
XHDRD
O
Data read output terminal Not used (fixed at “L”)
15
SOD
I
Serial data input from the audio DSP (IC1401)
16
XHDCS
O
Chip select signal output to the audio DSP (IC1401)
17 to 24
HD7 to HD0
O
Two-way data bus with the audio DSP (IC1401)
25
HA0
O
Address data output to the audio DSP (IC1401)
26
XRST
O
Reset signal output to the audio DSP (IC1401)
27
HRDY
O
Ready signal output to the audio DSP (IC1401)
28
CS
O
Chip select signal output to the A/D, D/A converter (IC1503)
29
CCLK
O
Clock signal output to the A/D, D/A converter (IC1503)
30
CDTI
I
Data input from the A/D, D/A converter (IC1503)
31
SMUTE
O
Soft mute signal output to the A/D, D/A converter (IC1503)
32
PD
O
Reset signal output to the A/D, D/A converter (IC1503)
33
VSS
—
Ground terminal
34 C
—
External power regulator capacitor is connected terminal
35
96kHz
O
Dfs signal output to the A/D, D/A converter (IC1503)
36, 37
NC
I
Not used (fixed at “L”)
38
DVCC
—
Power supply terminal (+5V) (digital system)
39
DVSS
—
Ground terminal (digital system)
40, 41
NC
O
Not used (fixed at “L”)
42
AVCC
—
Power supply terminal (+5V) (analog system)
43
AVR+
—
Power supply terminal (+5V)
44
AVR–
—
Ground terminal
45
AVSS
—
Ground terminal (analog system)
46
EVSTB
O
Serial strobe output to the select switch circuit
47
EVDATA
O
Serial data output to the select switch circuit
48
EVCLK
O
Serial clock output to the select switch circuit
49
DISPMR
I
Display master request signal input from the display controller (IC102)
50
DISPDATA
I
Display master data input from the display controller (IC102)
51
SLVDTA/REQ
O
Slave data/request output to the display controller (IC102)
52
DISPCLK
I
Display master clock input from the display controller (IC102)
53
NC
I
Not used (fixed at “L”)
54
VCC
—
Power supply terminal (+5V)
55
SLAT
O
Tuner latch signal output to the FM/AM tuner unit (TM301)
• DIGITAL BOARD IC1201 MB90573PFV-G-296-BND (SYSTEM CONTROLLER)
