No. Mark I/O Function
76 RSEL I RF signal polarity assignment
input (at "H" level, RSEL="H",
at "L" level, RESL="L")
77 IOVOD I 5V supply input
78 PSEL I Test terminal (connected to
Gnd)
79 MSEL I SMCK oscillating frequency
designation input (“L”:4.2336
MHz, “H”:8.4672 MHz)
80 SSEL I SUBQ output mode select (“H”:
Q-code buffer mode)
13.3. IC703 (AN8739SBE2) Focus coil/ Tracking coil/ Traverse motor/
Spindle motor driver
No. Mark I/O Function
1 /RST - RESET output terminal
2 NC - N.C.
3 IN2 I Motor Drive (2) input
4 PC2 I Turntable motor drive signal
(“L :ON)
5 NC - N.C.
6 IN1 I Motor driver (1) input
7 NC I N.C.
8 PVCC1 I Power supply (1) for driver
9 PGND1 - Ground connection (1) for
driver
10 NC - N.C.
11 D1- O Motor driver (1) reverse-action
output
12 D1+ O Motor driver (1) forward-action
output
13 D2- O Motor driver (2) reverse-action
output
14 D2+ O Motor driver (2) forward-action
output
15 D3- O Motor driver (3) reverse-action
output
16 D3+ O Motor driver (3) forward-action
output
17 D4- O Motor driver (4) reverse-action
output
18 D4+ O Motor driver (4) forward-action
output
19 NC - N.C.
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