MC68HC908AP16CFB datasheet(178/440 Pages) MOTOROLA

178 / 440 page

Monitor ROM (MON)

Data Sheet

MC68HC908AP Family — Rev. 2.5

178

MOTOROLA

ORG

RAM

FILE_PTR:

BUS_SPD

DS.B

; Indicates 4x bus frequency

DATASIZE

DS.B

; Data size to be programmed

START_ADDR

DS.W

; FLASH starting address

DATAARRAY

DS.B

; Reserved data array

EE_WRITE

EQU

$FF36

FLASH_START

EQU

$EE00

ORG

FLASH

INITIALISATION:

MOV

#20,

BUS_SPD

MOV

#15,

DATASIZE

LDHX

#FLASH_START

STHX

START_ADDR

RTS

MAIN:

BSR

INITIALISATION

LHDX

#FILE_PTR

JSR

EE_WRITE

NOTE:

The EE_WRITE routine is unable to check for incorrect data blocks,

such as the FLASH page boundary address and data size. It is the

responsibility of the user to ensure the starting address indicated in the

data block is at the FLASH page boundary and the data size is 7 to 15.

If the FLASH page is already programmed with a data array with a

different size, the EE_WRITE call will be ignored.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

MC68HC908AP16CFB Datasheet(PDF) 178 Page - Motorola, Inc

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