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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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68HC705SP7 датащи(PDF) 66 Page - Freescale Semiconductor, Inc |
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68HC705SP7 датащи(HTML) 66 Page - Freescale Semiconductor, Inc |
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66 / 230 page  Resets General Release Specification MC68HC705JJ7/MC68HC705JP7 — Rev. 3.0 Resets 5.6.5 16-Bit Programmable Timer A reset has the following effects on the 16-bit programmable timer: • Initializes the timer counter registers (TMRH and TMRL) to a value of $FFFC • Initializes the alternate timer counter registers (ACRH and ACRL) to a value of $FFFC • Clears all the interrupt enables and the output level bit (OLVL) in the timer control register (TCR) • Does not affect the input capture edge bit (IEDG) in the TCR • Does not affect the interrupt flags in the timer status register (TSR) • Does not affect the input capture registers (ICRH and ICRL) • Does not affect the output compare registers (OCRH and OCRL) 5.6.6 Serial Interface A reset has the following effects on the serial interface: • Clears all bits in the SIOP control register (SCR) • Clears all bits in the SIOP status register (SSR) • Does not affect the contents of the SIOP data register (SDR) A reset, therefore, disables the SIOP and leaves the shared port B pins as general I/O. Any pending interrupt flag is cleared and the SIOP interrupt is disabled. Also the baud rate defaults to the slowest rate. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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