MC9S12C128VFU Freescale Semiconductor, MC9S12C128VFU Datasheet - Page 277
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12C128VFUE
Manufacturer:
Freescale
Quantity:
38 000
Company:
Part Number:
MC9S12C128VFUE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Freescale Semiconductor
CME
0
1
1
SCME
X
0
1
SCMIE
X
X
0
Clock failure -->
Clock failure -->
Clock failure -->
Scenario 1: OSCCLK recovers prior to exiting Wait Mode.
– CM no longer indicates a failure,
Some time later either a wakeup interrupt occurs (no SCM interrupt)
or an External Reset is applied.
Scenario 2: OSCCLK does not recover prior to exiting Wait Mode.
Some time later either a wakeup interrupt occurs (no SCM interrupt)
No action, clock loss not detected.
CRG performs Clock Monitor Reset immediately
– MCU remains in Wait Mode,
– VREG enabled,
– PLL enabled,
– SCM activated,
– Start Clock Quality Check,
– Set SCMIF interrupt flag.
Some time later OSCCLK recovers.
– 4096 OSCCLK cycles later Clock Quality Check indicates clock o.k.,
– SCM deactivated,
– PLL disabled depending on PLLWAI,
– VREG remains enabled (never gets disabled in Wait Mode).
– MCU remains in Wait Mode.
– Exit Wait Mode using OSCCLK as system clock (SYSCLK),
– Continue normal operation.
– Exit Wait Mode using OSCCLK as system clock,
– Start reset sequence.
– MCU remains in Wait Mode,
– VREG enabled,
– PLL enabled,
– SCM activated,
– Start Clock Quality Check,
– Set SCMIF interrupt flag,
– Keep performing Clock Quality Checks (could continue infinitely)
– Exit Wait Mode in SCM using PLL clock (f
– Continue to perform additional Clock Quality Checks until OSCCLK
or an External RESET is applied.
– Exit Wait Mode in SCM using PLL clock (f
– Start reset sequence,
– Continue to perform additional Clock Quality Checks until OSCCLK
Table 9-11. Outcome of Clock Loss in Wait Mode
is o.k. again.
is o.k.again.
while in Wait Mode.
MC9S12C-Family / MC9S12GC-Family
Rev 01.24
Chapter 9 Clocks and Reset Generator (CRGV4) Block Description
CRG Actions
SCM
SCM
) as system clock,
) as system clock,
277
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