mpc5645s Freescale Semiconductor, Inc, mpc5645s Datasheet - Page 19

• Manufacturer Part Number: mpc5645s
• Description: Mpc5645s Microcontroller Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

1.3.25
The MPC5645S includes four I
1.3.26
The system clock on the MPC5645S can be derived from an external oscillator, an on-chip FMPLL, or the internal 16 MHz
oscillator.
Freescale Semiconductor
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Detection and flagging of LIN errors
Sync field; Delimiter; ID parity; Bit, Framing; Checksum and Timeout errors
Classic or extended checksum calculation
Configurable Break duration of up to 36-bit times
Programmable Baud rate prescalers (13-bit mantissa, 4-bit fractional)
Diagnostic features
— Loop back
— Self Test
— LIN bus stuck dominant detection
Interrupt driven operation with 16 interrupt sources
LIN slave mode features
— Autonomous LIN header handling
— Autonomous LIN response handling
— Discarding of irrelevant LIN responses using up to 16 ID filters
UART mode
— Full-duplex operation
— Standard non return-to-zero (NRZ) mark/space format
— Data buffers with 4-byte receive, 4-byte transmit
— Configurable word length (8-bit or 9-bit words)
— Error detection and flagging
— Interrupt driven operation with 4 interrupts sources
— Separate transmitter and receiver CPU interrupt sources
— 16-bit programmable baud-rate modulus counter and 16-bit fractional
— Two receiver wakeup methods
Two-wire bi-directional serial bus for on-board communications
Compatibility with I
Multi-master operation
Software-programmable for one of 256 different serial clock frequencies
Software-selectable acknowledge bit
Interrupt-driven, byte-by-byte data transfer
Arbitration-lost interrupt with automatic mode switching from master to slave
Calling address identification interrupt
Start and stop signal generation/detection
Repeated START signal generation
Acknowledge bit generation/detection
Bus-busy detection
– Parity, noise, and framing errors
Inter-Integrated Circuit (I
System clocks and clock generation modules
2
C bus standard
2
C modules. Each module features the following:
MPC5645S Microcontroller Data Sheet, Rev. 6
2
C) controller modules
Overview
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