MC68HC705C8ACP Freescale Semiconductor, MC68HC705C8ACP Datasheet - Page 50
MC68HC705C8ACP
Manufacturer Part Number
MC68HC705C8ACP
Description
IC MCU 4MHZ 8K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8ACFN.pdf
(222 pages)
Specifications of MC68HC705C8ACP
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
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MC68HC705C8ACP
Manufacturer:
MOTOROLA
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MC68HC705C8ACPE
Manufacturer:
ON
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Interrupts
4.3 Interrupt Sources
4.3.1 Software Interrupt
Technical Data
50
These sources can generate interrupts:
The IRQ pin, port B pins, SCI, and SPI can be masked (disabled) by
setting the I bit of the condition code register (CCR). The software
interrupt (SWI) instruction is non-maskable.
An interrupt temporarily changes the program sequence to process a
particular event. An interrupt does not stop the execution of the
instruction in progress but takes effect when the current instruction
completes its execution. Interrupt processing automatically saves the
central processor unit (CPU) registers on the stack and loads the
program counter with a user-defined vector address.
The software interrupt instruction (SWI) causes a non-maskable
interrupt.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Software instructions (SWI)
External interrupt pin (IRQ)
Port B pins
Serial communications interface (SCI):
– SCI transmit data register empty
– SCI transmission complete
– SCI receive data register full
– SCI receiver overrun
– SCI receiver input idle
Serial peripheral interface (SPI):
– SPI transmission complete
– SPI mode fault
– SPI overrun
Go to: www.freescale.com
Interrupts
MC68HC705C8A — Rev. 3
MOTOROLA
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