MC68HC912BD32 Datasheet, PDF (171/292 Pages) Freescale Semiconductor, Inc – Advance Information

Freescale Semiconductor, Inc.
Byteflight™ Module
Byteflight™ Module
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
External Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Byteflight™ System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Byteflight™ Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Low Power Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Programmer’s Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
FIFO Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Introduction
The serial bus interface module is the specific implementation of the
BMW Byteflight™ concept targeted for the Motorola M68HC12
microcontroller family.
For the BMW Byteflight™ specification and related matters refer to the
following documents:
BMW – Lastenheft SI-BUS , Ident-Nr.: LH 8 385 743.4
ELMOS E100.34 S/E-Module, Rev. 02
1-sibus
Byteflight™ Module
For More Information On This Product,
Go to: www.freescale.com
MC68HC912BD32 Rev 1.0