No. Mark I/O Function
58 X1 IN I Crystal oscillating
circuit input (f =
16.9344MHz)
59 X2 OUT O Crystal oscillating
circuit input (f =
16.9344 MHz)
60 VDD I Power supply input
(for oscillating circuit)
61 BYTCK - Byte clock output
62 /CLDCK - Sub-code frame clock
signal output
(fCLDCK = 7.35 kHz
during normal
playback)
63 FCLK - Crystal frame clock
signal output (fCLK =
7.35 kHz, double =
14.7 kHz)
64 IPFLAG - Interpolation flag
output (“H” :
Interpolation)
65 FLAG - Flag output
66 CLVS - Spindle servo phase
synchronizing signal
output ("H" : CLV, "L"
: rough servo)
67 CRC - Sub-code CRC
checked output (“H’ :
OK, “L” :NG)
68 DEMPH - De-emphassis ON
signal output (“H” :
ON)
69 RESY - Frame re-
synchronizing signal
output
70 IOSEL I Mode Switching
Terminal
71 /TEST I Test input
72 AVDD1 I Power supply input
(for analog circuit)
73 OUTL O Left channel audio
signal output
74 AVSS1 I GND
75 OUTR O Right channel audio
signal output
71