MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 185
MC68HC708XL36
Manufacturer Part Number
MC68HC708XL36
Description
HCMOS Microcontroller Unit
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708XL36.pdf
(376 pages)
- Current page: 185 of 376
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TIM During Break Interrupts
15-tim4_b
MOTOROLA
A break interrupt stops the TIM counter.
The BCFE bit in the break flag control register (BFCR) enables software
to clear status bits during the break state. See
149.
To allow software to clear status bits during a break interrupt, write a
logic 1 to the BCFE bit. If a status bit is cleared during the break state, it
remains cleared when the MCU exits the break state.
To protect status bits during the break state, write a logic 0 to the BCFE
bit. With BCFE at logic 0 (its default state), software can read and write
I/O registers during the break state without affecting status bits. Some
status bits have a two-step read/write clearing procedure. If software
does the first step on such a bit before the break, the bit cannot change
during the break state as long as BCFE is at logic 0. After the break,
doing the second step clears the status bit.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
TIM
Break Module
TIM During Break Interrupts
MC68HC708XL36
on page
TIM
185
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