MC68HC908LJ12CFU Freescale Semiconductor, MC68HC908LJ12CFU Datasheet - Page 20

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MC68HC908LJ12CFU

Manufacturer Part Number
MC68HC908LJ12CFU
Description
IC MCU 12K FLASH 8MHZ 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68HC908LJ12CFU

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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Table of Contents
Technical Data
20
20.1
20.2
20.3
20.4
20.4.1
20.4.2
20.4.3
20.4.4
20.4.5
20.4.6
20.4.7
20.4.8
20.5
20.6
20.7
20.8
20.8.1
20.8.2
20.9
21.1
21.2
21.3
21.4
21.4.1
21.4.2
21.4.3
21.4.4
21.5
Section 20. Computer Operating Properly (COP)
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .371
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .372
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
COP Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .375
Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .375
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
COP Module During Break Mode . . . . . . . . . . . . . . . . . . . . . . 376
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .377
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .378
LVI Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
ICLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
STOP Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
COPCTL Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .373
Power-On Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Internal Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Reset Vector Fetch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
COPD (COP Disable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
COPRS (COP Rate Select) . . . . . . . . . . . . . . . . . . . . . . . . 374
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .376
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .376
Interrupt LVI Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 380
Forced Reset Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .380
Voltage Hysteresis Protection . . . . . . . . . . . . . . . . . . . . . . 380
LVI Trip Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Section 21. Low-Voltage Inhibit (LVI)
Table of Contents
MC68HC908LJ12
Freescale Semiconductor
Rev. 2.1

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