Datasheet

Monitor ROM (MON)
Technical Data MC68HC908LJ12 — Rev. 2.1
166 Monitor ROM (MON) Freescale Semiconductor
Table 10-5. 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
Table 10-6. IREAD (Indexed Read) Command
Description Read next 2 bytes in memory from last address accessed
Operand 2-byte address in high byte:low byte order
Data
Returned
Returns contents of next two addresses
Opcode $1A
Command Sequence
WRITE
WRITE
ECHO
FROM
HOST
ADDRESS
HIGH
ADDRESS
HIGH
ADDRESS
LOW
ADDRESS
LOW
DATA
DATA
IREADIREAD
ECHO
FROM
HOST
DATA
RETURN
DATA