Datasheet

Monitor ROM (MON)
Functional Description
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
MOTOROLA Monitor ROM (MON) 123
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A brief description of each monitor mode command is given in
Table 9-4 through Table 9-9.
Table 9-4. 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
READREAD
ECHO
SENT TO
MONITOR
ADDRESS
HIGH
ADDRESS
HIGH
ADDRESS
LOW
DATA
RETURN
ADDRESS
LOW