STK672-340-E Datasheet, PDF (10/13 Pages) Sanyo Semicon Device – Thick-Film Hybrid IC Unipolar Fixed-Current Chopper (External-Excited PWM) Scheme and Built-in Phase Signal Distribution IC Two-Phase Stepping Motor Driver (Square Wave Drive) Output Current 2.2A

Timing Charts
2-phase excitation
MODE
RESET
CWB
CLOCK
ENABLE
FAO
FAB
FBO
FBB
1-2 phase excitation
MODE
RESET
CWB
CLOCK
ENABLE
FAO
FAB
FBO
FBB
STK672-340-E
No.A1254-10/13