ST72521R9 STMicroelectronics, ST72521R9 Datasheet - Page 78

• Manufacturer Part Number: ST72521R9
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST72521R9

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 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 on one timer, 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

ST72F521, ST72521B
16-BIT TIMER (Cont’d)
Figure 49. Output Compare Timing Diagram, f
Figure 50. Output Compare Timing Diagram, f
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OUTPUT COMPARE REGISTER i (OCRi)
OUTPUT COMPARE REGISTER i (OCRi)
OUTPUT COMPARE FLAG i (OCFi)
OUTPUT COMPARE FLAG i (OCFi)
COMPARE REGISTER i LATCH
INTERNAL CPU CLOCK
INTERNAL CPU CLOCK
COUNTER REGISTER
COUNTER REGISTER
OCMPi PIN (OLVLi=1)
OCMPi PIN (OLVLi=1)
TIMER CLOCK
TIMER CLOCK
2ECF
2ECF
TIMER
TIMER
2ED0 2ED1 2ED2 2ED3 2ED4
2ED0 2ED1 2ED2 2ED3 2ED4
=f
=f
CPU
CPU
/2
/4
2ED3
2ED3