PIN FUNCTION
PIN
No.
PIN NAME
FUNCTION
1 Vref
Bias voltage external input pin
for the V and E / W blocks.
BUS write mode controls the
switching.
INTERFACE
TA1241AN
INPUT / OUTPUT
SIGNAL
―
2 EHT in
EHT input pin.
―
E / W drive output pin. Also
3 EW Drive
performs E / W detection in
―
BUS read mode.
5 EW Feedback E / W feedback pin.
4 NC
―
―
―
6 VCC
VCC pin. Connect 9 V (Typ.).
―
―
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