ST7MC2M9 STMicroelectronics, ST7MC2M9 Datasheet - Page 279

• Manufacturer Part Number: ST7MC2M9
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

Specifications of ST7MC2M9

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators and by-pass for external clock, clock security system.
• Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input, PWM and pulse generator modes
• 8-bit Pwm Auto-reload Timer With: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

MOTOR CONTROL CHARACTERISTICS (Cont’d)
Figure 155. Example 1: Waveforms For Overcurrent Detection with Current Feedback Filter OFF
Figure 156. Example 2: waveforms for overcurrent detection with current feedback filter ON
(CFF=001 => 2 consecutive samples are needed to validate the overcurrent event)
f
f
Comparator
Output
Sample
CL (MCRC)
mtc
PERIPH
Sample
CL (MCRC)
f
Comparator
Output
MCOx
MCOx
mtc
/4
Sampling time
ST7MC1xx/ST7MC2xx
Sampling time
279/309