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ST7232A Datasheet(PDF) 59 Page - STMicroelectronics

Part # ST7232A
Description  8-BIT MICROCONTROLLER WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
PDF  157 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7232A Datasheet(HTML) 59 Page - STMicroelectronics

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16-BIT TIMER (Cont’d)
Figure 34. Counter Timing Diagram, internal clock divided by 2
Figure 35. Counter Timing Diagram, internal clock divided by 4
Figure 36. 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.
CPU CLOCK
FFFD FFFE FFFF 0000
0001
0002
0003
INTERNAL RESET
TIMER CLOCK
COUNTER REGISTER
TIMER OVERFLOW FLAG (TOF)
FFFC
FFFD
0000
0001
CPU CLOCK
INTERNAL RESET
TIMER CLOCK
COUNTER REGISTER
TIMER OVERFLOW FLAG (TOF)
CPU CLOCK
INTERNAL RESET
TIMER CLOCK
COUNTER REGISTER
TIMER OVERFLOW FLAG (TOF)
FFFC
FFFD
0000
1



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