ST72325S6B5(2007) 查看數據表（PDF） - STMicroelectronics

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ST72325S6B5
(Rev.:2007)

8-bit MCU with 16 to 60K Flash/ROM, ADC, CSS, 5 timers, SPI, SCI, I2C interface

STMicroelectronics 

16-BIT TIMER (Cont’d)

Figure 46. Counter Timing Diagram, Internal Clock Divided by 2

CPU CLOCK

INTERNAL RESET

TIMER CLOCK

COUNTER REGISTER

FFFD FFFE FFFF 0000 0001 0002 0003

TIMER OVERFLOW FLAG (TOF)

Figure 47. Counter Timing Diagram, Internal Clock Divided by 4

CPU CLOCK

INTERNAL RESET

TIMER CLOCK

COUNTER REGISTER FFFC

FFFD

0000

TIMER OVERFLOW FLAG (TOF)

0001

Figure 48. Counter Timing Diagram, Internal Clock Divided By 8

CPU CLOCK

INTERNAL RESET

TIMER CLOCK

COUNTER REGISTER

FFFC

FFFD

0000

TIMER OVERFLOW FLAG (TOF)

Note: The MCU is in reset state when the internal reset signal is high, when it is low the MCU is running.

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