AN2343 Freescale Semiconductor / Motorola, AN2343 Datasheet - Page 9

• Manufacturer Part Number: AN2343
• Description: HC908EY16 LIN Monitor
• Manufacturer: Freescale Semiconductor / Motorola

Appendix A: Software Flowchart – Initialisation Functions (2)
MOTOROLA
LED ports to O/P
Clear all ports to
Ports C, D, E to
Initialise Ports
LINEN to high
LINEN to O/P
(Port B5)
(Port A)
0x00
RTS
I/P
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
HC908EY16 LIN Monitor
Select 4 bit mode
Turn display ON
Initialise Display
Drive RW & RS
(Drive E Hi / lo)
Clock Display
Select 8 bit
(Tx 0x0E)
(Tx 0x03)
modeTx
(Tx 02 )
RTS
Low
Appendix A: Software Flowchart – Initialisation Functions (2)
Clear command
Drive RS & RW
Is display busy
Drive RS high
Clear Display
(Read D7)?
(Tx 0x01)
No
RTS
Low
Yes
AN2343/D
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