AN2575 Freescale Semiconductor / Motorola, AN2575 Datasheet - Page 12

• Manufacturer Part Number: AN2575
• Description: MC68HC908EY16 ESCI LIN Drivers
• Manufacturer: Freescale Semiconductor / Motorola

AN2575/D
12
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68HC908EY16 ESCI LIN Drivers
Go to: www.freescale.com
Figure 3. Flow Chart of Main Software Loop
CLEAR TIMEBASE INTERRUPT FLAG
INITIALIZE CONFIG, PORTS, TBM,
INITIALIZE LIN DRIVERS AND THE
CALCULATE CONSTANT cnt1024
TIMER A, AND ICG MULTIPLIER
READ AND DISPLAY LIN DATA
FORMAT DATA AND UPDATE
ENABLE INTERRUPTS.
TOGGLE “TICK” LED
LIN MESSAGE OKAY
ADJUST BUTTON
TBIF FLAG SET
LCD MODULE.
TRIM BUTTON
LCD MODULE
NO
NO
START
?
?
?
?
YES
YES
YES
YES
NO
NO
ADJUST ICGTR OR
DISPLAY **
TRIM ICG
ICGMR
MOTOROLA