MC68HC908GP32 Datasheet, PDF (207/410 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

Freescale Semiconductor, Inc.
Monitor ROM (MON)
Functional Description
A brief description of each monitor mode command is given in
Table 15-4 through Table 15-9.
Table 15-4. 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
HIGH
HIGH
LOW
ADDRESS
LOW
DATA
RETURN
Table 15-5. 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
MC68HC908GP32•MC68HC08GP32 — Rev. 6
MOTOROLA
Monitor ROM (MON)
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Technical Data
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