AN1833 Freescale Semiconductor / Motorola, AN1833 Datasheet - Page 27

• Manufacturer Part Number: AN1833
• Description: A Low-Power Wireless Remote Control Transmitter and Receiver
• Manufacturer: Freescale Semiconductor / Motorola

AN1833
MOTOROLA
Figure 12. Receiver MCU Flowchart (Sheet 2 of 3)
ALLOW INTERRUPTS
INCREMENT INDEX
BUFFER INDEX = 0
BUFFER (INDEX) =
INDEX COUNT = 4
INITIALIZE TIMER
BYTE RECEIVED
REGISTER
main_loop
Get_Data
COUNT
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BUFFER INDEX = LENGTH
Microcontroller Software Overview: Initiate an Access Request
WAIT FOR TIMER
INTERRUPT
get_char
GO TO check_msg_format ON SHEET 3
WHEN THE TIMER INTERRUPT OCCURS.
A BYTE IS BUILT FROM
AN MCU PORT PIN INPUT BY THE get_char
ROUTINE SHOWN IN AN1240/D.
Application Note
27