MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 166

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

MC68HC908LJ12
Freescale Semiconductor
—
Rev. 2.1
A sequence of IREAD or IWRITE commands can access a block of
memory sequentially over the full 64k-byte memory map.
Description
Description
Returned
Returned
Operand
Operand
Opcode
Opcode
Data
Data
Table 10-8. READSP (Read Stack Pointer) Command
Table 10-7. IWRITE (Indexed Write) Command
ECHO
Write to last address accessed + 1
Single data byte
None
$19
Reads stack pointer
None
Returns incremented stack pointer value (SP + 1) in
high-byte:low-byte order
$0C
Monitor ROM (MON)
READSP
FROM
HOST
ECHO
IWRITE
FROM
HOST
READSP
IWRITE
Command Sequence
Command Sequence
DATA
HIGH
DATA
SP
LOW
SP
RETURN
Monitor ROM (MON)
Technical Data
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