Datasheet

MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
124 Monitor ROM (MON) MOTOROLA
Monitor ROM (MON)
NON-DISCLOSURE AGREEMENT REQUIRED
Table 9-5. 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 9-6. 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
WRITEWRITE
ECHO
FROM
HOST
ADDRESS
HIGH
ADDRESS
HIGH
ADDRESS
LOW
ADDRESS
LOW
DATA DATA
IREAD
IREAD
ECHO
FROM
HOST
DATA
RETURN
DATA