MC68HC908AP16CFB datasheet(170/440 Pages) MOTOROLA

170 / 440 page

Monitor ROM (MON)

Data Sheet

MC68HC908AP Family — Rev. 2.5

170

MOTOROLA

10.5.1 PRGRNGE

PRGRNGE is used to program a range of FLASH locations with data

loaded into the data array.

The start location of the FLASH to be programmed 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

programmed in one routine call is 255 bytes (max. DATASIZE is 255).

ADDRH:ADDRL do not need to be at a page boundary, the routine

handles any boundary misalignment during programming. A check to

see that all bytes in the specified range are erased is not performed by

this routine prior programming. Nor does this routine do a verification

after programming, so there is no return confirmation that programming

was successful. User must assure that the range specified is first

erased.

The coding example below is to program 64 bytes of data starting at

FLASH location $EE00, with a bus speed of 4.9152 MHz. The coding

assumes the data block is already loaded in RAM, with the address

pointer, FILE_PTR, pointing to the first byte of the data block.

Table 10-11. PRGRNGE Routine

Routine Name

PRGRNGE

Routine Description

Program a range of locations

Calling Address

$FC34

Stack Used

15 bytes

Data Block Format

Bus speed (BUS_SPD)

Data size (DATASIZE)

Start address high (ADDRH)

Start address (ADDRL)

Data 1 (DATA1)

Data N (DATAN)

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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