MC68HC908JB12JDW Freescale Semiconductor, MC68HC908JB12JDW Datasheet - Page 297
MC68HC908JB12JDW
Manufacturer Part Number
MC68HC908JB12JDW
Description
IC MCU 12K FLASH 6MHZ USB 20SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheets
1.MC908JB16DWE.pdf
(332 pages)
2.MC908JB12JDWE.pdf
(12 pages)
3.MC908JB12JDWE.pdf
(2 pages)
Specifications of MC68HC908JB12JDW
Core Processor
HC08
Core Size
8-Bit
Speed
6MHz
Connectivity
SCI, USB
Peripherals
LED, LVD, POR, PWM
Number Of I /o
13
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
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Quantity
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Part Number:
MC68HC908JB12JDW
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Quantity:
20 000
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17.1 Contents
17.2 Introduction
MC68HC908JB16
Freescale Semiconductor
Technical Data — MC68HC908JB16
Section 17. Computer Operating Properly (COP)
—
Rev. 1.1
17.2
17.3
17.4
17.4.1
17.4.2
17.4.3
17.4.4
17.4.5
17.4.6
17.4.7
17.4.8
17.5
17.6
17.7
17.8
17.8.1
17.8.2
17.9
The computer operating properly (COP) module contains a free-running
counter that generates a reset if allowed to overflow. The COP module
helps software recover from runaway code. Prevent a COP reset by
clearing the COP counter periodically. The COP module can be disabled
through the COPD bit in the CONFIG register.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .301
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .298
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
COP Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .301
COP Module During Break Mode . . . . . . . . . . . . . . . . . . . . . . 302
Computer Operating Properly (COP)
OSCDCLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .299
STOP Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
COPCTL Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .299
Power-On Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Internal Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Reset Vector Fetch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
COPD (COP Disable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
COPRS (COP Rate Select) . . . . . . . . . . . . . . . . . . . . . . . . 300
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .302
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .302
Technical Data
297
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