MC9S12P64VQK Freescale Semiconductor, MC9S12P64VQK Datasheet - Page 389

• Manufacturer Part Number: MC9S12P64VQK
• Description: 16-bit Microcontrollers - MCU 16 BIT 64K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of MC9S12P64VQK

• Rohs: yes
• Core: S12
• Processor Series: MC9S12P
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 64 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 4 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 5 V
• Operating Temperature Range: - 40 C to 105 C
• Package / Case: QFP-80
• Mounting Style: SMD/SMT
• Interface Type: I2C, SCI, SPI
• Program Memory Type: Flash

In
perceived bit time is misaligned, the data samples RT8, RT9, and RT10 are within the bit time and data
recovery is successful.
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.
Freescale Semiconductor
Figure
Figure
RT Clock Count
Reset RT Clock
RT Clock Count
Reset RT Clock
RT Clock
RT Clock
Samples
Samples
11-24, a large burst of noise is perceived as the beginning of a start bit, although the test sample
11-23, verification sample at RT3 is high. The RT3 sample sets the noise flag. Although the
RXD
RXD
1
1
1
1
1
1
1
0
1
Figure 11-22. Start Bit Search Example 1
Figure 11-23. Start Bit Search Example 2
0
1
S12P-Family Reference Manual, Rev. 1.13
1
1
1
0
0
Perceived Start Bit
0
0
0
0
0
0
Actual Start Bit
Start Bit
0
0
0
Serial Communication Interface (S12SCIV5)
0
LSB
LSB
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