MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 344
MC68HC908AB32CFU
Manufacturer Part Number
MC68HC908AB32CFU
Description
IC MCU 8MHZ 32K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AB32CFUE.pdf
(392 pages)
Specifications of MC68HC908AB32CFU
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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External Interrupt (IRQ)
18.6 IRQ Module During Break Interrupts
Technical Data
344
The system integration module (SIM) controls whether the IRQ latch can
be cleared during the break state. The BCFE bit in the break flag control
register (BFCR) enables software to clear the latches during the break
state. (See
To allow software to clear the IRQ latch during a break interrupt, write a
logic 1 to the BCFE bit. If a latch is cleared during the break state, it
remains cleared when the MCU exits the break state.
To protect the latches during the break state, write a logic 0 to the BCFE
bit. With BCFE at logic 0 (its default state), writing to the ACK bit in the
IRQ status and control register during the break state has no effect on
the IRQ latch.
Section 8. System Integration Module
External Interrupt (IRQ)
MC68HC908AB32
Freescale Semiconductor
(SIM).)
—
Rev. 1.1
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