mc68hc908mr8 Freescale Semiconductor, Inc, mc68hc908mr8 Datasheet - Page 193

• Manufacturer Part Number: mc68hc908mr8
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

10.4.7 Commands
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
Description
Operand
Data returned
Opcode
Command sequence
Description
Operand
Data returned
Opcode
Command sequence
SENT TO
MONITOR
ECHO
SENT TO
MONITOR
ECHO
WRITE
Specifies 2-byte address in high byte:low byte order
Returns contents of specified address
Write byte to memory
Specifies 2-byte address in high byte:low byte order; low byte followed by data byte
None
Read byte from memory
$4A
$49
READ
WRITE
Table 10-4. WRITE (Write Memory) Command
The monitor ROM uses these commands:
Refer to
Table 10-3. READ (Read Memory) Command
•
•
•
•
•
•
READ
READ, read memory
WRITE, write memory
IREAD, indexed read
IWRITE, indexed write
READSP, read stack pointer
RUN, run user program
ADDR. HIGH
Table 10-3
ADDR. HIGH
Monitor ROM (MON)
ADDR. HIGH
through
ADDR. HIGH
ADDR. LOW
Table
ADDR. LOW
10-8.
ADDR. LOW
ADDR. LOW
DATA
Functional Description
Monitor ROM (MON)
RESULT
DATA
Technical Data
DATA
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