MC68HC08JL8 Datasheet, PDF (98/212 Pages) Freescale Semiconductor, Inc – Microcontrollers

Monitor ROM (MON)
The coding example below is to perform a page erase, from $EF00–$EF3F. The Initialization subroutine
is the same as the coding example for PRGRNGE (see 7.5.1 PRGRNGE).
ERARNGE
EQU
$FCBE
MAIN:
BSR INITIALISATION
:
:
LDHX #FILE_PTR
JSR ERARNGE
:
7.5.3 LDRNGE
LDRNGE is used to load the data array in RAM with data from a range of FLASH locations.
Routine Name
Routine Description
Calling Address
Stack Used
Data Block Format
Table 7-13. LDRNGE Routine
LDRNGE
Loads data from a range of locations
$FF30
9 bytes
Bus speed (BUS_SPD)
Data size (DATASIZE)
Starting address (ADDRH)
Starting address (ADDRL)
Data 1
:
Data N
The start location of FLASH from where data is retrieved is specified by the address ADDRH:ADDRL and
the number of bytes from this location is specified by DATASIZE. The maximum number of bytes that can
be retrieved in one routine call is 128 bytes. The data retrieved from FLASH is loaded into the data array
in RAM. Previous data in the data array will be overwritten. User can use this routine to retrieve data from
FLASH that was previously programmed.
The coding example below is to retrieve 32 bytes of data starting from $EF00 in FLASH. The Initialization
subroutine is the same as the coding example for PRGRNGE (see 7.5.1 PRGRNGE).
LDRNGE
EQU
$FF30
MAIN:
BSR INITIALIZATION
:
:
LDHX #FILE_PTR
JSR LDRNGE
:
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
98
Freescale Semiconductor