ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 73

• Manufacturer Part Number: ST72521
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

16-BIT TIMER (Cont’d)
Figure 43. Counter Timing Diagram, internal clock divided by 2
Figure 44. Counter Timing Diagram, internal clock divided by 4
Figure 45. Counter Timing Diagram, internal clock divided by 8
Note: The MCU is in reset state when the internal reset signal is high, when it is low the MCU is running.
TIMER OVERFLOW FLAG (TOF)
TIMER OVERFLOW FLAG (TOF)
TIMER OVERFLOW FLAG (TOF)
COUNTER REGISTER
INTERNAL RESET
COUNTER REGISTER
COUNTER REGISTER
TIMER CLOCK
CPU CLOCK
INTERNAL RESET
INTERNAL RESET
TIMER CLOCK
TIMER CLOCK
CPU CLOCK
CPU CLOCK
FFFC
FFFC
FFFD FFFE FFFF 0000 0001 0002 0003
FFFD
FFFD
0000
0000
0001
ST72521
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