Pin No. Mark I/O Function
53 PCK O
PLL Extraction Clock
Output (Not Used,
Open)
(fPCK= 4.3218 MHz
during Normal
Playback)
54 VCOF2 I/O VCO loop Filter for
33.8688 MHz
Conversion Terminal
for 16.9344 Mhz Crystal
mode, Must use other
Circuit)
55 SUBC O Sub-Code Serial Data
Output (Not Used,
Open)
56 SBCK I Clock Input for Sub-
Code Serial Data)
57 VSS I GND
58 X1 IN I
Crystal Oscillating
Circuit Input
(f= 16.9344 MHz)
59 X2 OUT O
Crystal Oscillating
Circuit Input
(f= 16.9344 MHz)
60 VDD I Power Supply Input
(For Oscillating Circuit)
61 BYTCK O Byte Clock Output (Not
Used, Open)
62 /CLDCK O
Sub-Code Frame Clock
Signal Output
(fCLDCK= 7.35 kHz
During Normal
Playback)
63 FCLK O
Crystal Frame Clock
Signal Output)
(fCLDCK= 7.35 kHz)
64 IPFLAG O
Interpolation Flag
Output
(“H”: Interpolation) (Not
Used, Open)
65 FLAG O Flag Output (Not Ised,
Open)
56