参数资料
型号: MB90423GAPMC
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 53/88页
文件大小: 1991K
代理商: MB90423GAPMC
MB90420G/425G Series
DS07-13711-5E
57
14. Stepping Motor Controller
The stepping motor controller is composed of two PWM pulse generators, four motor drivers and selector logic
circuits.
The four motor drivers have a high output drive capacity and can be directly connected to the four ends of two
motor coils. They are designed to operate together with the PWM pulse generators and selector logic circuits
to control motor rotation. A synchronization mechanism assures synchronization of the two PWM pulse gener-
ators.
Block diagram
P1
P0
SC
OE1
OE2
PWM1Pn
PWM2Pn
PWM1Mn
PWM2Mn
CE
CK
EN
CK
EN
PWM
BS
n : 0 ~ 3
Machine clock
Prescaler
Output enable
PWM1 pulse generator
Selector
PWM1 compare register
PWM1 selector register
PWM2 pulse generator
Output enable
Selector
Load
PWM2 compare register
PWM2 select register
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