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ST72E121 Fiches technique(PDF) 36 Page - STMicroelectronics

No de pièce ST72E121
Description  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS
PDF  92 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72E121 Fiches technique(HTML) 36 Page - STMicroelectronics

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ST72E121 ST72T121
16-BIT TIMER (Cont’d)
Figure 22. Counter Timing Diagram, internal clock divided by 2
Figure 23. Counter Timing Diagram, internal clock divided by 4
Figure 24. Counter Timing Diagram, internal clock divided by 8
CPU CLOCK
FFFD FFFE FFFF 0000
0001
0002
0003
INTERNAL RESET
TIMER CLOCK
COUNTER REGISTER
OVERFLOW FLAG TOF
FFFC
FFF D
0000
0001
CPU CLOCK
INTERNAL RESET
TIMER CLOCK
COUNTER REGISTER
OVERFLOW FLAG TOF
CPU CLOCK
INTERNAL RESET
TIMER CLOCK
COUNTER REGISTER
OVERFLOW FLAG TOF
FFFC
FFFD
0000
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