MC68HC908JL3ECP Freescale Semiconductor, MC68HC908JL3ECP Datasheet - Page 127
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MC68HC908JL3ECP
Manufacturer Part Number
MC68HC908JL3ECP
Description
IC MCU 4K FLASH 8MHZ 28-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JK1ECDWE.pdf
(180 pages)
Specifications of MC68HC908JL3ECP
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LED, LVD, POR, PWM
Number Of I /o
23
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 12x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908JL3ECPE
Manufacturer:
FREESCALE
Quantity:
20 000
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Chapter 14
Low Voltage Inhibit (LVI)
14.1 Introduction
This section describes the low-voltage inhibit module (LVI), which monitors the voltage on the V
and generates a reset when the V
14.2 Features
Features of the LVI module include the following:
14.3 Functional Description
Figure 14-1
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
DETECTOR
LOW V
V
DD
DD
LVIT0
V
V
DD
DD
Figure 14-1. LVI Module Block Diagram
> LVI
< LVI
MC68HC908JL3E Family Data Sheet, Rev. 4
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
127
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