MC68HC705J1ACDW Freescale Semiconductor, MC68HC705J1ACDW Datasheet - Page 97
MC68HC705J1ACDW
Manufacturer Part Number
MC68HC705J1ACDW
Description
IC MCU 4MHZ 1.2K OTP 20-SOIC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MCHRC705J1ACDWE.pdf
(162 pages)
Specifications of MC68HC705J1ACDW
Core Processor
HC05
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
14
Program Memory Size
1.2KB (1.2K x 8)
Program Memory Type
OTP
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC705J1ACDW
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
Company:
Part Number:
MC68HC705J1ACDWE
Manufacturer:
INTERSIL
Quantity:
1 000
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7.1 Contents
7.2 Introduction
MC68HC705J1A — Rev. 4.0
Technical Data — MC68HC705J1A
Section 7. Computer Operating Properly (COP) Module
7.2
7.3
7.3.1
7.3.2
7.3.3
7.4
7.5
7.6
7.6.1
7.6.2
The computer operating properly (COP) watchdog resets the
microcontroller (MCU) in case of software failure. Software that is
operating properly periodically services the COP watchdog and prevents
COP reset. The COP watchdog function is programmable by the
COPEN bit in the mask option register.
Features include:
•
•
Freescale Semiconductor, Inc.
For More Information On This Product,
Computer Operating Properly (COP) Module
Protection from runaway software
Wait and halt mode operation
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
COP Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
COP Watchdog Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
COP Watchdog Timeout Period . . . . . . . . . . . . . . . . . . . . . . 98
Clearing the COP Watchdog . . . . . . . . . . . . . . . . . . . . . . . .98
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Go to: www.freescale.com
Technical Data
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