MC68HC908GR8CDW Freescale Semiconductor, MC68HC908GR8CDW Datasheet - Page 67
MC68HC908GR8CDW
Manufacturer Part Number
MC68HC908GR8CDW
Description
IC MCU 8K FLASH 8MHZ 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908GR4CFAE.pdf
(408 pages)
Specifications of MC68HC908GR8CDW
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
17
Program Memory Size
7.5KB (7.5K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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MC68HC908GR8 — Rev 4.0
MOTOROLA
After every instruction, the CPU checks all pending interrupts if the I bit
is not set. If more than one interrupt is pending when an instruction is
done, the highest priority interrupt is serviced first. In the example shown
in
service routine, the pending interrupt is serviced before the LDA
instruction is executed.
STACKING
Figure
Freescale Semiconductor, Inc.
ORDER
For More Information On This Product,
4-5, if an interrupt is pending upon exit from the interrupt
5
4
3
2
1
Go to: www.freescale.com
*High byte of index register is not stacked.
PROGRAM COUNTER (HIGH BYTE)
PROGRAM COUNTER (LOW BYTE)
Resets and Interrupts
INDEX REGISTER (LOW BYTE)*
CONDITION CODE REGISTER
Figure 4-4. Interrupt Stacking Order
ACCUMULATOR
•
•
•
•
•
•
$00FF DEFAULT ADDRESS ON RESET
1
2
3
4
5
UNSTACKING
ORDER
Resets and Interrupts
Technical Data
Interrupts
67
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