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SC312XDP512F0MPVR датащи(PDF) 116 Page - Freescale Semiconductor, Inc

номер детали SC312XDP512F0MPVR
подробное описание детали  HCS12X Microcontrollers
PDF  1348 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

SC312XDP512F0MPVR датащи(HTML) 116 Page - Freescale Semiconductor, Inc

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Chapter 2 Clocks and Reset Generator (S12CRGV6)
MC9S12XDP512 Data Sheet, Rev. 2.21
116
Freescale Semiconductor
Figure 2-26. RESET Pin Tied to VDD (by a pull-up resistor)
Figure 2-27. RESET Pin Held Low Externally
2.6
Interrupts
The interrupts/reset vectors requested by the CRG are listed in Table 2-16. Refer to MCU specification for
related vector addresses and priorities.
2.6.1
Real Time Interrupt
The CRG generates a real time interrupt when the selected interrupt time period elapses. RTI interrupts are
locally disabled by setting the RTIE bit to 0. The real time interrupt flag (RTIF) is set to1 when a timeout
occurs, and is cleared to 0 by writing a 1 to the RTIF bit.
The RTI continues to run during pseudo stop mode if the PRE bit is set to 1. This feature can be used for
periodic wakeup from pseudo stop if the RTI interrupt is enabled.
Table 2-16. CRG Interrupt Vectors
Interrupt Source
CCR
Mask
Local Enable
Real time interrupt
I bit
CRGINT (RTIE)
LOCK interrupt
I bit
CRGINT (LOCKIE)
SCM interrupt
I bit
CRGINT (SCMIE)
RESET
Internal POR
128 SYSCLK
64 SYSCLK
Internal RESET
Clock Quality Check
(no Self-Clock Mode)
) (
) (
) (
Clock Quality Check
RESET
Internal POR
Internal RESET
128 SYSCLK
64 SYSCLK
(no Self Clock Mode)
) (
) (
) (



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