AN1740 Freescale Semiconductor / Motorola, AN1740 Datasheet - Page 62

• Manufacturer Part Number: AN1740
• Description: Applications Using the Analog Subsystem on MC68HC05JJ/JP Series Microcontrollers
• Manufacturer: Freescale Semiconductor / Motorola

Application Note
62
DISABLE INTERRUPTS
CLEAR ACCUMULATOR
CHANNEL TO AMUX
STORE SELECTED
SET CHG BIT IN ACR
TO START RAMP
ACCUMULATOR
CLEAR CPF2
FLAG IN ASR
SET I-BIT TO
INCREMENT
CPF2 FLAG
ATDGO1
ATDLP
SET?
IS
NO
Freescale Semiconductor, Inc.
YES
Figure 27. Mode 0 Timing Flowchart
For More Information On This Product,
DONE
Go to: www.freescale.com
DISABLE INTERRUPTS
CHANNEL TO AMUX
SET CHG BIT IN ACR
STORE SELECTED
TO START RAMP
ACCUMULATOR
CLEAR ACCUMULATOR
TIMING DELAY
FLAG IN ASR
SET I-BIT TO
INCREMENT
OVERFLOW?
CLEAR CPF2
ADD INITIAL
TIME DELAY
ADD CYCLE
CPF2 FLAG
ATDGO2
ATDLP
COUNT
SET?
IS
NO
NO
YES
YES
FAULT
DONE
MOTOROLA
AN1740