FG IN-
FGOUT
FGSOUT
RF
SS
FR
BR
CLK
N1
N2
NJW4302
31
FG amplifier reverse rotation input.
30
FG amplifier output.
29
FG amplifier output(after the schmitt)
Open collector output.
Preliminary
39
Output current detection
Connect a resistor between this pin and GND pin.The output limitation maximum current(IOUT)is set to be 0.5/Rf.
24
Start⋅Stop control
“L”:Start
“H”or Open:Stop
22
Forward/reverse rotation control
“L”:Forward
“H”or Open:reverse
21
Brake control (short braking operation)
“L”:Start
“H”or Open:Brake
23
External clock signal input
10kHz max.
25
Speed discriminator count switching
26
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