MC908AP32CFBE Datasheet, PDF (122/324 Pages) Freescale Semiconductor, Inc – The following revision history table summarizes changes contained in this document. For your convenience, the page number designators have been linked to the appropriate location.

Monitor ROM (MON)
Table 8-4. READ (Read Memory) Command
Description Read byte from memory
Operand 2-byte address in high-byte:low-byte order
Data
Returned
Returns contents of specified address
Opcode $4A
Command Sequence
SENT TO
MONITOR
READ
ECHO
READ
ADDRESS ADDRESS ADDRESS ADDRESS
HIGH
HIGH
LOW
LOW
DATA
RETURN
Table 8-5. WRITE (Write Memory) Command
Description Write byte to memory
Operand
2-byte address in high-byte:low-byte order;
low byte followed by data byte
Data
Returned
None
Opcode $49
Command Sequence
FROM
HOST
WRITE
WRITE
ADDRESS ADDRESS ADDRESS ADDRESS
HIGH
HIGH
LOW
LOW
DATA
ECHO
DATA
MC68HC908AP Family Data Sheet, Rev. 4
122
Freescale Semiconductor