MC68HC908JL8CDW Freescale Semiconductor, MC68HC908JL8CDW Datasheet - Page 177
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MC68HC908JL8CDW
Manufacturer Part Number
MC68HC908JL8CDW
Description
IC MCU 8K FLASH 8MHZ 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JL8CDWER.pdf
(212 pages)
Specifications of MC68HC908JL8CDW
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
23
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 13x8b
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908JL8CDW
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
Part Number:
MC68HC908JL8CDWE
Manufacturer:
FREESCALE
Quantity:
20 000
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Chapter 15
Low Voltage Inhibit (LVI)
15.1 Introduction
This section describes the low-voltage inhibit module (LVI), which monitors the voltage on the V
and generates a reset when the V
15.2 Features
Features of the LVI module include the following:
15.3 Functional Description
Figure 15-1
contains a bandgap reference circuit and comparator. Setting LVI disable bit (LVID) disables the LVI to
monitor V
LVI module should take actions.
The LVI module generates one output signal:
LVI Reset — an reset signal will be generated to reset the CPU when V
point.
Freescale Semiconductor
•
•
Selectable LVI trip voltage
Selectable LVI circuit disable
DD
shows the structure of the LVI module. The LVI is enabled after a reset. The LVI module
voltage. The LVI trip voltage selection bits (LVIT1, LVIT0) determine at which V
LVIT1
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
DETECTOR
LOW V
V
DD
DD
LVIT0
V
V
DD
DD
Figure 15-1. LVI Module Block Diagram
> LVI
< LVI
DD
TRIP
TRIP
voltage falls to the LVI trip (LVI
= 0
= 1
LVID
TRIP
DD
) voltage.
drops to below the set trip
LVI RESET
DD
level the
DD
pin
177
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