MC908LJ24CPBER Freescale Semiconductor, MC908LJ24CPBER Datasheet - Page 164
MC908LJ24CPBER
Manufacturer Part Number
MC908LJ24CPBER
Description
IC MCU 24K FLASH 4/8MHZ 64-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908LK24CFUE.pdf
(464 pages)
Specifications of MC908LJ24CPBER
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-LQFP
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
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
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
10 bit, 6 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908LJ24CPBER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Monitor ROM (MON)
10.2 Introduction
10.3 Features
Data Sheet
164
This section describes the monitor ROM (MON) and the monitor mode
entry methods. The monitor ROM allows complete testing of the MCU
through a single-wire interface with a host computer. Monitor mode entry
can be achieved without use of the higher test voltage, V
vector addresses $FFFE and $FFFF are blank, thus reducing the
hardware requirements for in-circuit programming.
In addition, to simplify user coding, routines are also stored in the
monitor ROM area for FLASH memory program /erase and EEPROM
emulation.
Features of the monitor ROM include:
1. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or
copying the FLASH difficult for unauthorized users.
•
•
•
•
•
•
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Normal user-mode pin functionality
One pin dedicated to serial communication between monitor ROM
and host computer
Standard mark/space non-return-to-zero (NRZ) communication
with host computer
Execution of code in RAM or FLASH
FLASH memory security feature
FLASH memory programming interface
Enhanced PLL (phase-locked loop) option to allow use of external
32.768-kHz crystal to generate internal frequency of 2.4576 MHz
959 bytes monitor ROM code size
($FC00–$FDFF and $FE10–$FFCE)
Monitor mode entry without high voltage, V
blank ($FFFE and $FFFF contain $FF)
Standard monitor mode entry if high voltage, V
IRQ
Resident routines for in-circuit programming and EEPROM
emulation
Monitor ROM (MON)
1
MC68HC908LJ24/LK24 — Rev. 2.1
TST
Freescale Semiconductor
, if reset vector is
TST
TST
, is applied to
, as long as
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