s908ey8ad4cfjer Freescale Semiconductor, Inc, s908ey8ad4cfjer Datasheet - Page 238

• Manufacturer Part Number: s908ey8ad4cfjer
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Development Support
A sequence of IREAD or IWRITE commands can access a block of memory sequentially over the full
64-Kbyte memory map.
238
Data Returned
Data Returned
Data Returned
Description
Description
Description
Operand
Operand
Operand
Opcode
Opcode
Opcode
Table 19-7. READSP (Read Stack Pointer) Command
Table 19-8. RUN (Run User Program) Command
Table 19-6. IWRITE (Indexed Write) Command
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
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
Executes PULH and RTI instructions
None
None
$28
ECHO
FROM HOST
READSP
FROM HOST
ECHO
IWRITE
READSP
ECHO
FROM HOST
IWRITE
Command Sequence
Command Sequence
Command Sequence
RUN
DATA
RUN
HIGH
SP
DATA
LOW
SP
RETURN
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