mc68hc908ey16a Freescale Semiconductor, Inc, mc68hc908ey16a Datasheet - Page 248

• Manufacturer Part Number: mc68hc908ey16a
• 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.
248
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
MC68HC908EY16A • MC68HC908EY8A Data Sheet, Rev. 1
Table 19-6. IWRITE (Indexed Write) Command
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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