Stepper Motor Controller SP1 with modem option

 https://www.analog.com/en/products/ds89c450.html#product-evaluationkit

TA8465H stepper motor driver toshiba Stepping Motor Driver ICs 

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Infineon Technologies
Spec Title: PSOC(R) 1 INDUSTRIAL STEPPER MOTOR CONTROLLER - AN43679

https://320volt.com/en/ta8435-ile-bipolar-step-motor-surucu-devresi/
stepper motor driver toshiba Stepping Motor Driver ICs  two-phase bipolar