Pin No. Mark I/O Function
66 CLVS O
Spindle Servo Phase
Synchronizing Signal
Output
(“H”: CLV, “L”: Rough
Servo) (Not used, Open)
67 CRC O
Sub-Code CRC
Checked Output
(“H”: OK, “L” NG) (Not
Used, Open)
68 DEMPH O De-Emphasis DN Signal
Output (“H”:ON)
69 RESY O 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 Signal Audio
Signal Output
76 RSEL I
RF Signal Polarity
Assignment Input
(at “H” level, RSEL=
“H”, at “L” SEL= “L”)
77 IOVDD I 5V Supply
78 PSEL I Test terminal
(Connected to GND)
79 MSEL I
SMCK Oscillating
Frequency Designation
Input
(“L”: 4.2336 MHz, “H”
8.4672MHz)
80 SSEL I
SUBQ Output Mode
Select
(“H”: Q-Code Buffer
Mode)
11.8. IC703 (BA5948FPE2) FOCUS COIL / TRACKING COIL /
TRAVERSE MOTOR / SPINDLE MOTOR DRIVE
57