AN1740 Freescale Semiconductor / Motorola, AN1740 Datasheet - Page 74

Manufacturer Part Number

AN1740

Description

Applications Using the Analog Subsystem on MC68HC05JJ/JP Series Microcontrollers

Manufacturer

Freescale Semiconductor / Motorola

Datasheet

1.AN1740.pdf (80 pages)

Application Note

Use During Stop

Mode

NOTE:

Also in wait mode, comparator 1 can have its output directed to the PB4

pin using the OPT mask option and the COE1 bit in the ASR. In this

case, comparator 1 can sense a condition on its inputs and direct some

external action without waking up the CPU.

Comparator 1 can be used to control an external signal using the COE1

function, even if the device is in wait mode.

The comparators can remain active during stop mode, but cannot

directly restart the part unless the output of comparator 1 is directed

externally to PB4 using the OPT mask option and the COE1 bit in the

ASR. Then PB4 is connected externally to an IRQ pin or the RESET pin.

Comparator 1 can be used to control an external signal using the COE1

function, even if the device is in stop mode.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

MOTOROLA

AN1740