– 36 –
39
RVSS
–
Right channel one-bit D/A converter ground. (Must be connected to 0V.)
40
RCHO
O
Right channel one-bit D/A converter output.
41
RVDD
–
Right channel one-bit D/A converter power supply.
42
MUTER
O
Right channel one-bit D/A converter mute ouput.
43
XVDD
–
Crystal oscillator power supply.
44
XOUT
O
Connections for a 16.934MHz crystal oscillator element.
45
XIN
I
46
XVSS
–
Crystal oscillator ground. (Must be connected to 0V.)
47
SBSY
O
Subcode block synchronization signal output. (Not used)
48
EFLG
O
C1, C2 single and double error correction monitor pin. (Not used)
49
PW
O
Subcode P, Q, R, S, T, U, V and W output. (Not used)
50
SFSY
O
Subcode frame synchronization signal output. This signal falls when the subcode are in the
standby state. (Not used)
51
SBCK
I
Subcode readout clock input. This is a Schmitt input. (Must be connected to 0V when unused)
52
FSX
O
Output for the 7.35 kHz synchronization signal divided from the crystal oscillator. (Not used)
53
WRQ
O
Subcode Q output standby output.
54
RWC
I
Readwrite control input. This is a Schmitt input.
55
SQOUT
O
Subcode Q output.
56
COIN
I
Command input from the control microprocessor.
57
CQCK
I
Input for both the command input acquisition clock and the SQOUT pin subcode
readout clock input. This is a Schmitt input.
58
RES
I
Chip reset pin. This pin must be set low briefly after power is first applied.
59
T11
O
Test output. Leave open. (Normally outputs a low level). (Not used)
60
16M
O
16.9344 MHz output. (Not used)
61
4.2M
O
4.2336 MHz output.
62
T5
I
Test input. A pull-down resistor is built in. (Must be connected to 0V.)
63
CS
I
Chip select input. A pull-down resistor is built in. (Must be connected to 0V if not controlled.)
64
T1
I
Test input. No pull-down resistor. (Must be connected to 0V.)
Pin No.
Pin Name
I/O
Description
www.freeservicemanuals.info
9/3/2014
Global electronic heritage manuals
