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MC9S08EL32 Datasheet, PDF (185/356 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU) | |||
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12.1.1 Features
The SLIC includes these distinctive features:
⢠Full LIN message buffering of identifier and 8 data bytes
⢠Automatic bit rate and LIN message frame synchronization:
â No prior programming of bit rate required, 1â20 kbps LIN bus speed operation
â All LIN messages will be received (no message loss due to synchronization process)
â Input clock tolerance as high as ±50%, allowing internal oscillator to remain untrimmed
â Incoming break symbols always allowed to be 10 or more bit times without message loss
â Supports automatic software trimming of internal oscillator using LIN synchronization data
⢠Automatic processing and verification of LIN SYNCH BREAK and SYNCH BYTE
⢠Automatic checksum calculation and verification with error reporting
⢠Maximum of two interrupts per standard LIN message frame with no errors
⢠Full LIN error checking and reporting
⢠High-speed LIN capability up to 83.33 kbps to 120.00 kbps1
⢠Configurable digital receive filter
⢠Streamlined interrupt servicing through use of a state vector register
⢠Switchable UART-like byte transfer mode for processing bytes one at a time without LIN message
framing constraints
⢠Enhanced checksum (includes ID) generation and verification
1. Maximum bit rate of SLIC module dependent upon frequency of SLIC input clock.
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
Freescale Semiconductor
187
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