MC908JL3ECPE Datasheet, PDF (78/180 Pages) Freescale Semiconductor, Inc – Microcontrollers

Monitor ROM (MON)
Table 7-6. 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 7-7. 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.
MC68HC908JL3E Family Data Sheet, Rev. 4
78
Freescale Semiconductor