MC908JB16DWE Datasheet, PDF (133/332 Pages) Freescale Semiconductor, Inc – Microcontrollers

Monitor ROM (MON)
Table 9-7. 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 64k-byte memory map.
Table 9-8. READSP (Read Stack Pointer) Command
Description Reads stack pointer
Operand None
Data
Returned
Returns stack pointer in high byte:low byte order
Opcode $0C
Command Sequence
SENT TO
MONITOR
READSP READSP
ECHO
SP
SP
HIGH
LOW
RETURN
MC68HC908JB16 — Rev. 1.1
Freescale Semiconductor
Monitor ROM (MON)
Technical Data
133