MC68HC908LJ24 Datasheet, PDF (175/464 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Monitor ROM (MON)
Functional Description
Table 10-7. 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
ECHO
A sequence of IREAD or IWRITE commands can access a block of
memory sequentially over the full 64-Kbyte memory map.
Table 10-8. READSP (Read Stack Pointer) Command
Description Reads stack pointer
Operand None
Data
Returns incremented stack pointer value (SP + 1) in
Returned high-byte:low-byte order
Opcode $0C
Command Sequence
FROM
HOST
READSP READSP
ECHO
SP
SP
HIGH
LOW
RETURN
MC68HC908LJ24/LK24 — Rev. 2
MOTOROLA
Monitor ROM (MON)
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Data Sheet
175