Section 3 Oscillator Circuits and Operating Modes
Rev. 2.00 Mar 09, 2006 page 113 of 906
REJ09B0292-0200
3.2.4
External Clock Input
An external clock is input from the EXTAL pin or the CKIO pin, depending on the clock mode.
Clock Input from EXTAL Pin:
This method can be used in clock modes 0, 1, 2, and 3.
CKPREQ
/CKM
CKIO
EXTAL
XTAL
Output or
high-impedance
The CKIO pin is an output
in clock modes 0, 1, and 2,
and is high-impedance in
clock mode 3.
Open
External Clock Input
Ground level
Figure 3.3 External Clock Input Method
Clock Input from CKIO Pin:
This method can be used in clock modes 4, 5, and 6.
CKPREQ
/CKM
CKIO
EXTAL
XTAL
Open
External Clock Input
Open
The
CKPREQ
/CKM pin is the clock
pause request input pin.
Figure 3.4 External Clock Input Method
Содержание SH7616
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Страница 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Страница 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Страница 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Страница 662: ...Section 14 Serial Communication Interface with FIFO SCIF Rev 2 00 Mar 09 2006 page 636 of 906 REJ09B0292 0200 ...
Страница 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Страница 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Страница 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Страница 935: ...SH7616 Hardware Manual ...