MC908LJ24CFUE Freescale Semiconductor, MC908LJ24CFUE Datasheet - Page 76

IC MCU 24K FLASH 8MHZ SPI 64-QFP

MC908LJ24CFUE

Manufacturer Part Number
MC908LJ24CFUE
Description
IC MCU 24K FLASH 8MHZ SPI 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908LJ24CFUE

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
40
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
768 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
Processor Series
HC08LJ
Core
HC08
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
SCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
48
Number Of Timers
4
Operating Supply Voltage
3.3 V, 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68EML08LJLKE, ZK-HC08LX-A, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 10-bit
Controller Family/series
HC08
No. Of I/o's
40
Ram Memory Size
768Byte
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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FLASH Memory (FLASH)
4.8 FLASH Block Protection
Data Sheet
76
NOTE:
NOTE:
Due to the ability of the on-board charge pump to erase and program the
FLASH memory in the target application, provision is made to protect
pages of memory from unintentional erase or program operations due to
system malfunction. This protection is done by use of a FLASH block
protect register (FLBPR). The FLBPR determines the range of the
FLASH memory which is to be protected. The range of the protected
area starts from a location defined by FLBPR and ends to the bottom of
the FLASH memory ($FFFF). When the memory is protected, the HVEN
bit cannot be set in either erase or program operations.
The 48 bytes of user interrupt vectors are always protected, regardless
of the value in the FLASH block protect register. A mass erase is
required to erase the vectors.
When the FLBPR is program with $20, the entire memory is protected
from being programmed and erased. When the FLBPR is erased ($FF),
the entire memory is accessible for program and erase.
Once the FLBPR is programmed with a value other than $FF, the FLBPR
itself is protected. It can only be erased using a mass erase operation.
In performing a program or erase operation, the FLASH block protect
register must be read after setting the PGM or ERASE bit and before
asserting the HVEN bit
FLASH Memory (FLASH)
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor

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