MC68HC908KX8 Datasheet, PDF (264/310 Pages) Motorola, Inc – Microcontrollers

Monitor ROM (MON)
Table 18-6. 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
FROM
HOST
IREAD IREAD
ECHO
DATA
DATA
RETURN
Table 18-7. IWRITE (Indexed Write) Command
Description Write to last address accessed + 1
Operand Single data byte
Data
returned
None
Opcode $19
Command Sequence
FROM
HOST
IWRITE IWRITE ^DATA
DATA
A sequence of IREAD or IWRITE commands can access a block of
memory sequentially over the full 64-Kbyte memory map.
Technical Data
264
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
Monitor ROM (MON)
MOTOROLA