System Concept
LIN Master
DRM047 — Rev 0
Designer Reference Manual
MOTOROLA
System Concept
23
2.3.1 PC Master Mode
The master board is connected via an RS232 line to the PC (with
installed PC master software), and acts as a LIN Master node controlled
by the user interface (HTML page).
The LIN Master performs the following functions:
•
LIN-bus Run/Stop/Sleep/Wake-up control
•
Periodical sending/receiving of up to 2*3 LIN-bus frames within
two timing loops
•
Possibly fully control the position of up to two independent LIN
steppers
•
Manual or automatic generation of the required position of LIN
stepper. In the case of automatic generation, a read-out of a
predefined signal curve (simulation of real application) is provided
•
LIN Stepper configuration and programing (using master request,
slave response frames defined for this application)
2.3.2 Master Mode
The master board acts as a an autonomous LIN Master node (without
using a personal computer). It is similar to the PC master mode in
automatic mode (automatic generation of the required position of the LIN
Stepper).
2.3.3 Debug Mode
In this mode it is possible to program and debug any LIN Stepper
controller via a special 10-pin connector. The LIN Master performs the
following two functions:
•
it gives some defined signals to the 10-pin connector to put the LIN
Stepper controller into MON08 debugging mode (see
, Section 10. Monitor ROM).
•
it provides a serial communication gateway between the personal
computer (using RS232 line) and the 10 pin connector
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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