MC68HC908AS60MFN MOTOROLA [Motorola, Inc], MC68HC908AS60MFN Datasheet - Page 327
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MC68HC908AS60MFN
Manufacturer Part Number
MC68HC908AS60MFN
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AS60MFN.pdf
(454 pages)
- Current page: 327 of 454
- Download datasheet (6Mb)
21.1 Contents
MC68HC908AS60 — Rev. 1.0
MOTOROLA
Technical Data — MC68HC908AS60
Section 21. Byte Data Link Controller-Digital (BDLC-D)
21.2
21.3
21.4
21.4.1
21.4.1.1
21.4.1.2
21.4.1.3
21.4.1.4
21.4.1.5
21.4.1.6
21.4.1.7
21.5
21.5.1
21.5.1.1
21.5.1.2
21.5.2
21.5.2.1
21.5.2.2
21.5.2.3
21.5.2.4
21.5.2.5
21.5.2.6
21.5.2.7
21.5.2.8
21.5.2.9
21.5.3
21.5.3.1
21.5.3.2
21.5.3.3
21.5.3.4
Freescale Semiconductor, Inc.
For More Information On This Product,
Byte Data Link Controller-Digital (BDLC-D)
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
BDLC MUX Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
BDLC Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Rx Digital Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
J1850 Frame Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
J1850 VPW Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Power Off Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Reset Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Digital Loopback Mode . . . . . . . . . . . . . . . . . . . . . . . . . 334
Analog Loopback Mode . . . . . . . . . . . . . . . . . . . . . . . . . 334
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Start-of-Frame Symbol (SOF) . . . . . . . . . . . . . . . . . . . . 337
In-Message Data Bytes (Data). . . . . . . . . . . . . . . . . . . . 338
Cyclical Redundancy Check Byte (CRC) . . . . . . . . . . . . 338
End-of-Data Symbol (EOD) . . . . . . . . . . . . . . . . . . . . . . 339
In-Frame Response Bytes (IFR) . . . . . . . . . . . . . . . . . .339
End-of-Frame Symbol (EOF) . . . . . . . . . . . . . . . . . . . . . 340
Inter-Frame Separation Symbol (IFS) . . . . . . . . . . . . . . 340
Break (BREAK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Idle Bus (IDLE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Logic 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Logic 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Normalization Bit (NB) . . . . . . . . . . . . . . . . . . . . . . . . . . 344
Break Signal (BREAK) . . . . . . . . . . . . . . . . . . . . . . . . . . 344
Go to: www.freescale.com
Technical Data
327
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