MC68HC908MR8 Datasheet, PDF (194/372 Pages) Motorola, Inc – Microcontrollers

Monitor ROM (MON)
Table 10-5. IREAD (Indexed Read) Command
Description
Read next 2 bytes in memory from last address accessed
Operand
Specifies 2-byte address in high byte:low byte order
Data returned
Returns contents of next two addresses
Opcode
$1A
Command sequence
SENT TO
MONITOR
IREAD
IREAD
DATA
DATA
ECHO
RESULT
Table 10-6. IWRITE (Indexed Write) Command
Description
Write to last address accessed + 1
Operand
Specifies single data byte
Data returned
None
Opcode
$19
Command sequence
SENT TO
MONITOR
IWRITE
IWRITE
DATA
DATA
ECHO
NOTE: A sequence of IREAD or IWRITE commands can sequentially access a
block of memory over the full 64-Kbyte memory map.
Technical Data
194
Monitor ROM (MON)
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor