MC9S12C128VFU Freescale Semiconductor, MC9S12C128VFU Datasheet - Page 404

• Manufacturer Part Number: MC9S12C128VFU
• Manufacturer: Freescale Semiconductor

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

Chapter 13 Serial Communications Interface (S12SCIV2) Block Description
In
at RT5 is high. The RT5 sample sets the noise flag. Although this is a worst-case misalignment of perceived
bit time, the data samples RT8, RT9, and RT10 are within the bit time and data recovery is successful.
Figure 13-17
synchronization with the start bit time, it does set the noise flag.
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Figure
RT CLOCK COUNT
RT CLOCK COUNT
RESET RT CLOCK
RESET RT CLOCK
Rx Input Signal
Rx input Signal
RT CLOCK
RT CLOCK
SAMPLES
SAMPLES
13-16, a large burst of noise is perceived as the beginning of a start bit, although the test sample
shows the effect of noise early in the start bit time. Although this noise does not affect proper
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Figure 13-16. Start Bit Search Example 3
Figure 13-17. Start Bit Search Example 4
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MC9S12C-Family / MC9S12GC-Family
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PERCEIVED START BIT
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Rev 01.24
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PERCEIVED AND ACTUAL START BIT
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ACTUAL START BIT
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LSB
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