MPC5606S datasheet(18/136 Pages) FREESCALE

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MPC5606S Microcontroller Data Sheet, Rev. 6

Freescale Semiconductor

1.6.17

FlexCAN

The MPC5606S MCU contains two controller area network (FlexCAN) modules. The FlexCAN module is a communication

controller implementing the CAN protocol according to Bosch Specification version 2.0B. The CAN protocol was designed to

be used primarily as a vehicle serial data bus, meeting the specific requirements of this field: real-time processing, reliable

operation in the EMI environment of a vehicle, cost-effectiveness and required bandwidth.

The FlexCan modules offer the following:

•

Compliant with CAN protocol specification, Version 2.0B active

•

64 mailboxes, each configurable as transmit or receive

— Mailboxes configurable while module remains synchronized to CAN bus

•

Transmit features

— Supports configuration of multiple mailboxes to form message queues of scalable depth

— Arbitration scheme according to message ID or message buffer number

— Internal arbitration to guarantee no inner or outer priority inversion

— Transmit abort procedure and notification

•

Receive features

— Individual programmable filters for each mailbox

— 8 mailboxes configurable as a 6-entry receive FIFO

— 8 programmable acceptance filters for receive FIFO

•

Programmable clock source

— System clock

— Direct oscillator clock to avoid PLL jitter

•

Listen only mode capabilities

•

CAN Sampler

— Can catch the 1st message sent on the CAN network while the MPC5606S is stopped. This guarantees a clean

startup of the system without missing messages on the CAN network.

— The CAN sampler is connected to one of the CAN RX pins.

1.6.18

Serial communication interface module (LINFlex)

The MPC5606S devices include up to two LINFlex modules and support for LIN Master mode, LIN Slave mode and UART

mode. The modules are LIN state machine compliant to the LIN 1.3 and 2.0 and 2.1 Specifications and handle LIN frame

transmission and reception without CPU intervention.

Other features include:

•

Autonomous LIN frame handling

•

Message buffer to store identifier and up to eight data bytes

•

Supports message length of up to 64 bytes

•

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

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