MC68HC908RF2 Datasheet, PDF (56/254 Pages) Motorola, Inc – HCMOS Microcontroller Unit

FLASH 2TS Memory
Table 4-4. Embedded FLASH Routine Global Variables
Variable Location
Variable Address⁽¹⁾
CTRLBYT
RAMSTART + 8
CPUSPD
RAMSTART + 9
LADDR
RAMSTART + 10
BUMPS
RAMSTART + 12
DERASE
RAMSTART + 13
DATA
RAMSTART + 15
1. RAMSTART is defined as the starting address of the RAM in the memory map.
This is address $0080.
4.11 Embedded Function Descriptions
This subsection describes the embedded functions.
4.11.1 RDVRRNG Routine
Name: RDVRRNG
Purpose: Read and/or verify a range of FLASH memory
Entry conditions: H:X
LADDR
DATA
ACC
Contains the first address of the range
Contains the last address of the range
Contains the data to compare the read data against for
read/verify to RAM only (length is user determined)
Non-zero for read/verify to RAM, 0 for output to PA0
Exit conditions: C bit
ACC
DATA
Set if good compare for read/verify to RAM only
Contains checksum
Contains read FLASH data for read/verify to RAM only
Advance Information
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FLASH 2TS Memory
MC68HC908RF2 — Rev. 1
MOTOROLA