SPC563M64L7 datasheet(33/128 Pages) STMICROELECTRONICS

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SPC563M64x, SPC563M60x

Overview

127



6 Interrupt conditions:

–

End of queue reached (EOQF)

–

TX FIFO is not full (TFFF)

–

Transfer of current frame complete (TCF)

–

Attempt to transmit with an empty Transmit FIFO (TFUF)

–

RX FIFO is not empty (RFDF)

–

FIFO Underrun (slave only and SPI mode, the slave is asked to transfer data

when the TxFIFO is empty)

–

FIFO Overrun (serial frame received while RX FIFO is full)



Modified transfer formats for communication with slower peripheral devices



Continuous Serial Communications Clock (SCK)



Power savings via support for Stop Mode



Enhanced DSI logic to implement a 32-bit Timed Serial Bus (TSB) configuration,

supporting the Microsecond Channel downstream frame format

The DSPIs also support these features unique to the DSI and CSI configurations:



2 sources of the serialized data:

–

eTPU_A and eMIOS output channels

–

Memory-mapped register in the DSPI



Destinations for the deserialized data:

–

eTPU_A and eMIOS input channels

–

SIU External Interrupt Request inputs

–

Memory-mapped register in the DSPI



Deserialized data is provided as Parallel Output signals and as bits in a memory-

mapped register



Transfer initiation conditions:

–

Continuous

–

Edge sensitive hardware trigger

–

Change in data



Pin serialization/deserialization with interleaved SPI frames for control and diagnostics



Continuous serial communications clock



Support for parallel and serial chaining of up to four DSPI blocks

2.3.16

eSCI

The enhanced serial communications interface (eSCI) allows asynchronous serial

communications with peripheral devices and other MCUs. It includes special support to

interface to Local Interconnect Network (LIN) slave devices. The eSCI block provides the

following features:



Full-duplex operation



Standard mark/space non-return-to-zero (NRZ) format



13-bit baud rate selection



Programmable 8-bit or 9-bit, data format



Programmable 12-bit or 13-bit data format for Timed Serial Bus (TSB) configuration to

support the Microsecond Channel upstream

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