Alpine 3554 - Semi-Conductor Lead Identifications

| 3554
Semi-Conductor Lead Identifications
uPC4570HA: IC 101, 102, 201, 202
16301, 302, 401, 601
a
pPC1270H: 10103, 203, 303, 403
MUTING +VccP(FIRST STEPS) +Vcco (DRIVE STEPS)
CS ora 3 CONSTANT
BIAS CURRENT LOAD
TEMPERATURE
COMPENSATION] “| ppive
STEPS
SP ees
-VCCD(DRIVE STEPS)
pwPC494C: IC501
Ga) INV. INPUT
INV. INPUT (©)
FEED BACK(w)
DEAD TIME
CONTROL
a DP =