MC9S12C128VFU Freescale Semiconductor, MC9S12C128VFU Datasheet - Page 403
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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MC9S12C128VFUE
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In
not the beginning of a start bit. The RT clock is reset and the start bit search begins again. The noise flag
is not set because the noise occurred before the start bit was found.
In
perceived bit time is misaligned, the data samples RT8, RT9, and RT10 are within the bit time and data
recovery is successful.
Freescale Semiconductor
Figure 13-14
RT CLOCK COUNT
RT CLOCK COUNT
Figure
RESET RT CLOCK
RESET RT CLOCK
Rx Input Signal
Rx Input Signal
RT CLOCK
RT CLOCK
SAMPLES
SAMPLES
13-15, verification sample at RT3 is high. The RT3 sample sets the noise flag. Although the
the verification samples RT3 and RT5 determine that the first low detected was noise and
1
1
1
1
1
1
1
0
1
Figure 13-14. Start Bit Search Example 1
Figure 13-15. Start Bit Search Example 2
0
1
MC9S12C-Family / MC9S12GC-Family
1
1
1
0
0
Chapter 13 Serial Communications Interface (S12SCIV2) Block Description
PERCEIVED START BIT
Rev 01.24
0
0
0
0
0
ACTUAL START BIT
0
START BIT
0
0
0
0
LSB
LSB
403
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