S9S12GA240F0MLF Freescale Semiconductor, S9S12GA240F0MLF Datasheet - Page 692

• Manufacturer Part Number: S9S12GA240F0MLF
• Description: 16-bit Microcontrollers - MCU 16BIT 240KB FLASH
• Manufacturer: Freescale Semiconductor

Specifications of S9S12GA240F0MLF

• Rohs: yes
• Core: S12
• Processor Series: MC9S12G
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 240 KB
• Data Ram Size: 4 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3.13 V to 5.5 V
• Operating Temperature Range: - 40 C to + 125 C
• Package / Case: LQFP-48
• Mounting Style: SMD/SMT

Serial Communication Interface (S12SCIV5)
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.
694
Figure
Figure
RT Clock Count
Reset RT Clock
RT Clock Count
Reset RT Clock
RT Clock
RT Clock
Samples
Samples
20-23, verification sample at RT3 is high. The RT3 sample sets the noise flag. Although the
20-24, a large burst of noise is perceived as the beginning of a start bit, although the test sample
RXD
RXD
1
1
1
1
1
1
1
0
1
Figure 20-22. Start Bit Search Example 1
Figure 20-23. Start Bit Search Example 2
0
MC9S12G Family Reference Manual,
1
1
1
1
0
0
Perceived Start Bit
0
0
0
0
0
0
Actual Start Bit
Start Bit
0
Rev.1.23
0
0
0
Freescale Semiconductor
LSB
LSB