AN1833 Freescale Semiconductor / Motorola, AN1833 Datasheet - Page 26

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

Freescale Semiconductor, Inc.
Application Note
main
Note:
Receiver baud rate pre-determined by the value of constant Baud_Sel.
Init
INITIALIZE
INITIALIZE STACK
POINTER
DISABLE INTERRUPTS
INITIALIZE I/O PINS
INITIALIZE
SOFTWARE BUFFERS
SET BIT COUNT TO 4
AND FLAGS
Wait_for_data
GET FOUR BITS OF DATA AND LOOK
FOR ALL FOUR BITS EQUAL TO LOGIC 1.
YES
rxd PIN = 1
Get_Bit
Get_Bit IS SHOWN IN AN1240/D.
Front_Porch
?
NO
DECREMENT
BIT COUNT
DELAY
YES
YES
BIT COUNT = 0
RECEIVED BITS = 1
Get_Data
?
?
NO
NO
SEE SHEET 2
Figure 11. Receiver MCU Flowchart (Sheet 1 of 3)
AN1833
26
MOTOROLA
For More Information On This Product,
Go to: www.freescale.com