Pin No. Mark I/O Function
59 REGON I ”In-housed regulator
control (H: ON
60 TX O Digital audio interface
output
61 MCLK I Micon command clock
input
62 MDATA I Micon command data
input
63 MLD I Micon command load
input (L: Load)
64 BLKCK O Sub code block clock (f-
75Hz: normal play)
65
PWMSEL
I ”PWM output mode
switch input (L: direct
66 SMCK O 4.2336MHz/8.4672MHz
clock output
67 SBCK I/O Sub code serial output
clock input
68 STAT O Status output
69 NRST I Reset input (L: reset)
70 SPPOL O Spindle motor drive
output signal (polarity
output)
71 PMCK O 88.2kHz clock output
72 DQSY O CD TEXT data back
output
73 TXTD O CD TEXT data output
74 TXTCK I/O CD TEXT resister outer
clock input
75 NTEST I Test input (H: normal)
76 X2 O Oscillator output
77 X1 I Oscillator input
78 DVSS1 - Digital GND
79 DVDD1 I Digital power supply
80 MON I/O Monitor terminal
20.3. IC703 (BA5948FPE2) IC 4CH DRIVE
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