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Pin No.
Pin Name
I/O
Function
47
STBY
I
Hardware standby signal input terminal (fixed at “H”)
48
RESET
I
Reset signal input from the IIC interface controller (IC901) “L”: reset
49
NMI
I
Non-maskable interrupt input terminal (fixed at “H”)
50
VSS
—
Ground terminal
51
EXTAL
O
System clock output terminal (10 MHz)
52
XTAL
I
System clock input terminal (10 MHz)
53
VCC
—
Power supply terminal (+5V)
54
AS
O
Address strobe signal output to the MPEG audio/video decoder (IC201)
Used for chip select signal output to the MPEG audio/video decoder (IC201)
55
RD
O
Data reading strobe signal output to the S-RAM (IC751)
56
WR
O
Data writing strobe signal output to the MPEG audio/video decoder (IC201) and S-RAM
(IC751)
57
RESO
O
Reset signal output terminal Not used (open)
58
AVSS
—
Ground terminal (for A/D conversion)
59
TEST0
I
Setting terminal for the test (color bar mode) Normally: “H”
60
TEST1
I
Setting terminal for the test (E-F balance mode) Normally: “H”
61
TE
I
Setting terminal for the test (E-F balance mode) Normally: “H”
62
SENS
I
Internal status (SENSE) signal input from the CXD2545Q (IC101)
63
DAC-SEL
I
Setting terminal of the D/A converter (fixed at “H”)
64
NPIN
I
Video system selection input from the system select switch (S9001)
“L”: PAL, “H”: NTSC, Middle: AUTO
65
VSS
—
Ground terminal
66
VREQ
I
Request signal input terminal Not used (fixed at “H”)
67
VREF
I
Reference voltage (+5V) input terminal
68
AVCC
—
Power supply terminal (for A/D conversion)
69
CHECK-LED
O
LED drive signal output for the self diagnosis indicator
Normally: LED on (“H” output), Error: LED blinking
70
XHIRQ
I
Interruption request signal input from the MPEG audio/video decoder (IC201)
71
SCOR
I
Sub-code sync (S0+S1) detection signal input from the CXD2545Q (IC101)
Communication request signal input from the IIC interface controller (IC901)
Serial data output to the CXD2545Q (IC101), D/A converter/digital filter (IC101), and video
D/A converter (IC401)
Mute control signal output to the CXD2545Q (IC101) and D/A converter/digital filter (IC101)
Laser on/off selection signal output to the CXA1821M (IC103) “H”: laser on
Serial data latch pulse output to the CXD2545Q (IC101)
Serial data transfer clock signal output to the CXD2545Q (IC101)
Serial data transfer clock signal output to the CXD2545Q (IC101), D/A converter/digital filter
(IC101), and video D/A converter (IC401)
79
NR-SEL
I
Setting terminal of the video noise reduction (fixed at “H”)
80
—
—
Not used (open)
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