S912XEQ384J3CAL Freescale Semiconductor, S912XEQ384J3CAL Datasheet - Page 754

• Manufacturer Part Number: S912XEQ384J3CAL
• Description: IC MCU 16BIT 384KB FLASH 112LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of S912XEQ384J3CAL

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 24K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Core: HCS12X
• Data Bus Width: 16 bit
• Data Ram Size: 24 KB
• Interface Type: SCI, SPI, I2C, CAN
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 91
• Number Of Timers: 1
• Operating Supply Voltage: 3.13 V to 5.5 V
• Maximum Operating Temperature: + 260 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 20 Serial Communication Interface (S12SCIV5)
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 20-25
synchronization with the start bit time, it does set the noise flag.
754
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
Figure
RT Clock Count
Reset RT Clock
RT Clock Count
Reset RT Clock
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
RT Clock
RT Clock
Samples
Samples
20-24, a large burst of noise is perceived as the beginning of a start bit, although the test sample
RXD
RXD
shows the effect of noise early in the start bit time. Although this noise does not affect proper
1
1
1
1
1
1
1
0
1
MC9S12XE-Family Reference Manual , Rev. 1.23
Figure 20-24. Start Bit Search Example 3
Figure 20-25. Start Bit Search Example 4
1
0
1
1
1
1
Perceived Start Bit
0
0
0
1
0
0
Perceived and Actual Start Bit
0
Actual Start Bit
Freescale Semiconductor
LSB
LSB