MC68HC705C8ACP Freescale Semiconductor, MC68HC705C8ACP Datasheet - Page 59

IC MCU 4MHZ 8K OTP 40-DIP

MC68HC705C8ACP

Manufacturer Part Number
MC68HC705C8ACP
Description
IC MCU 4MHZ 8K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

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
-

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Manufacturer
Quantity
Price
Part Number:
MC68HC705C8ACP
Manufacturer:
MOTOROLA
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13
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MC68HC705C8A — Rev. 3
MOTOROLA
Figure 4-5. Reset and Interrupt Processing Flowchart
YES
CCR REGISTER
INSTRUCTION?
INSTRUCTION?
INSTRUCTION
Freescale Semiconductor, Inc.
FETCH NEXT
INTERRUPT?
INTERRUPT?
INTERRUPT?
INTERRUPT?
EXTERNAL
I BIT IN
RESET
TIMER
For More Information On This Product,
FROM
SET?
IRQ
SCI
SWI
SPI
RTI
NO
NO
NO
NO
NO
NO
NO
Go to: www.freescale.com
YES
YES
YES
YES
YES
YES
Interrupts
RESTORE REGISTERS FROM STACK:
CLEAR IRQ REQUEST LATCH
EXECUTE INSTRUCTION
1. STACK PC, X, A, CCR
2. SET I BIT
3. LOAD PC WITH VECTOR
TIMER:
CCR, A, X, PC
SWI:
IRQ:
SCI:
SPI:
$1FFC–$1FFD
$1FFA–$1FFB
$1FF8–$1FF9
$1FF6–$1FF7
$1FF4–$1FF5
Interrupt Processing
Technical Data
Interrupts
59

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