Aiwa AZG-5 Service Manual page 20

Pin No. Pin Name
42 VCC2
43 IN1F
44 IN1R
45 IN2F
46 IN2R
47 EXTCLK
48 C1P
49 C1M
50 C2P
51 C2M
52 VG
53 STALL
54 STHB
55 S1
56 S2
57 S3
58 BEMFU
59 BEMFV
60 BEMFW
61 SLCOM
62 SLVM1
63 N.C.
64 SLUOUT
65 SLPG1
66 N.C.
67 SLVOUT
68 N.C.
69 SLVM2
70 SLWOUT
71 SLPG2
72 N.C.
73 PW1VM
74 N.C.
75 PW1OUT
76 N.C.
77 PWPG
78 N.C.
79 PW2OUT
80 PW2VM
I/O
— Small signal circuit block power terminal 2. (Bip.)
I H bridge 1 forward input.
I H bridge 1 reverse input.
I H bridge 2 forward input.
I H bridge 2 reverse input.
I Sync clock input terminal.
— Charge pump capacitor 1 connection terminal +.
— Charge pump capacitor 1 connection terminal -.
— Charge pump capacitor 2 connection terminal +.
— Charge pump capacitor 2 connection terminal -.
O Charge pump output.
I Standby terminal.
I H1/H2 bridge mute terminal.
I Stepping decoder input 1.
I Stepping decoder input 2.
I Stepping decoder input 3.
O STEP detection comparator output. (U phase)
O STEP detection comparator output. (V phase)
O STEP detection comparator output. (W phase)
I STEP motor coil center input terminal.
— Stepping power block power 1.
— Not used.
O Stepping motor output. (U phase)
— Stepping power block ground 1.
— Not used.
O Stepping motor output. (V phase)
— Not used.
— Stepping power block power 2.
O Stepping motor output. (W phase)
— Stepping power block ground 2.
— Not used.
— Half bridge 1 power block power.
— Not used.
O Half bridge 1 output.
— Not used.
— Half bridge power block ground.
— Not used.
O Half bridge 2 output.
— Half bridge 2 power block power.
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Description