MC9S12C128VFU Freescale Semiconductor, MC9S12C128VFU Datasheet - Page 286
MC9S12C128VFU
Manufacturer Part Number
MC9S12C128VFU
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12C128VFU.pdf
(690 pages)
Specifications of MC9S12C128VFU
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
25MHz
Interface Type
CAN/SCI/SPI
Program Memory Type
Flash
Program Memory Size
128KB
Total Internal Ram Size
4KB
# I/os (max)
60
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/2.97V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
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Chapter 9 Clocks and Reset Generator (CRGV4) Block Description
9.6
The interrupts/reset vectors requested by the CRG are listed in
chapter for related vector addresses and priorities.
9.6.1
The CRGV4 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 to 1 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.
9.6.2
The CRGV4 generates a PLL lock interrupt when the LOCK condition of the PLL has changed, either
from a locked state to an unlocked state or vice versa. Lock interrupts are locally disabled by setting the
LOCKIE bit to 0. The PLL Lock interrupt flag (LOCKIF) is set to1 when the LOCK condition has
changed, and is cleared to 0 by writing a 1 to the LOCKIF bit.
9.6.3
The CRGV4 generates a self-clock mode interrupt when the SCM condition of the system has changed,
either entered or exited self-clock mode. SCM conditions can only change if the self-clock mode enable
bit (SCME) is set to 1. SCM conditions are caused by a failing clock quality check after power-on reset
(POR) or low voltage reset (LVR) or recovery from full stop mode (PSTP = 0) or clock monitor failure.
For details on the clock quality check refer to
is enabled (CME = 1) a loss of external clock will also cause a SCM condition (SCME = 1).
SCM interrupts are locally disabled by setting the SCMIE bit to 0. The SCM interrupt flag (SCMIF) is set
to 1 when the SCM condition has changed, and is cleared to 0 by writing a 1 to the SCMIF bit.
286
Interrupts
Real-Time Interrupt
PLL Lock Interrupt
Self-Clock Mode Interrupt
Real-time interrupt
Interrupt Source
LOCK interrupt
SCM interrupt
Table 9-15. CRG Interrupt Vectors
MC9S12C-Family / MC9S12GC-Family
Section 9.4.4, “Clock Quality
Mask
CCR
Rev 01.24
I bit
I bit
I bit
CRGINT (LOCKIE)
CRGINT (SCMIE)
CRGINT (RTIE)
Local Enable
Table
9-15. Refer to the device overview
Checker.” If the clock monitor
Freescale Semiconductor
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