MC68HC908LJ24CPB Freescale Semiconductor, MC68HC908LJ24CPB Datasheet - Page 191
MC68HC908LJ24CPB
Manufacturer Part Number
MC68HC908LJ24CPB
Description
IC MCU 24K FLASH 8MHZ SPI 64LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908LK24CFUE.pdf
(464 pages)
Specifications of MC68HC908LJ24CPB
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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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10.6.8 EE_READ
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
EE_READ is used to load the data array in RAM with a set of data from
FLASH.
The EE_READ routine reads data stored by the EE_WRITE routine. An
EE_READ call will retrieve the last data written to a FLASH page and
loaded into the data array in RAM. Same as EE_WRITE, the data size
indicated by DATASIZE is 2 to 15, and the start address
ADDRH:ADDRL must the FLASH page boundary address.
The coding example below uses the data stored by the EE_WRITE
coding example (see
stored in the $EF00–$EE7F page to the data array in RAM. The
initialization subroutine is the same as the coding example for
EE_WRITE (see
EE_READ
MAIN:
Notes:
Routine Name
Routine Description
Calling Address
Stack Used
Data Block Format
1. The start address must be a page boundary start address, e.g. $xx00 or $xx80.
BSR
:
:
LDHX
JSR
:
Monitor ROM (MON)
EQU
INITIALIZATION
#FILE_PTR
EE_READ
10.6.7
Table 10-18. EE_READ Routine
EE_READ
Emulated EEPROM read. Data size ranges from 2 to 15
bytes at a time.
$FC03
15 bytes
Bus speed (BUS_SPD)
Data size (DATASIZE)
Starting address (ADDRH)
Starting address (ADDRL)
Data 1
Data N
10.6.7
:
EE_WRITE).
$FC03
EE_WRITE). It loads the 15-byte data set
(1)
(1)
ROM-Resident Routines
Monitor ROM (MON)
Data Sheet
191
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