mc68hc908as60 Freescale Semiconductor, Inc, mc68hc908as60 Datasheet - Page 197

• Manufacturer Part Number: mc68hc908as60
• Description: Mc68hc908as60 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

13.4.5 Commands
MC68HC908AS60 — Rev. 1.0
Description
Operand
Data Returned
Opcode
Command Sequence
Description
Operand
Data Returned
Opcode
Command Sequence
SENT TO
MONITOR
ECHO
SENT TO
MONITOR
ECHO
WRITE
READ
Read byte from memory
Returns contents of specified address
$4A
Write byte to memory
None
$49
Specifies 2-byte address in high byte:low byte order
Specifies 2-byte address in high byte:low byte order; low byte followed by data byte
WRITE
Table 13-4. WRITE (Write Memory) Command
The monitor ROM uses these commands:
A sequence of IREAD or IWRITE commands can access a block of
memory sequentially over the full 64-Kbyte memory map.
Table 13-3. READ (Read Memory) Command
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Freescale Semiconductor, Inc.
For More Information On This Product,
READ, read memory
WRITE, write memory
IREAD, indexed read
IWRITE, indexed write
READSP, read stack pointer
RUN, run user program
READ
ADDR. HIGH
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Monitor ROM (MON)
ADDR. HIGH
ADDR. HIGH
ADDR. HIGH
ADDR. LOW
ADDR. LOW
ADDR. LOW
ADDR. LOW
DATA
Functional Description
Monitor ROM (MON)
RESULT
DATA
Technical Data
DATA