MC68HC908GT16_07 FREESCALE [Freescale Semiconductor, Inc], MC68HC908GT16_07 Datasheet - Page 251
MC68HC908GT16_07
Manufacturer Part Number
MC68HC908GT16_07
Description
Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC908GT16_07.pdf
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A sequence of IREAD or IWRITE commands can access a block of memory sequentially over the full
64-Kbyte memory map.
Freescale Semiconductor
Data Returned
Data Returned
Data Returned
Description
Description
Description
ECHO
FROM HOST
WRITE
Operand
Operand
Operand
Opcode
Opcode
Opcode
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
Table 19-6. READSP (Read Stack Pointer) Command
WRITE
Table 19-4. WRITE (Write Memory) Command
Write byte to memory
2-byte address in high-byte:low-byte order; low byte followed by data byte
None
$49
Read next 2 bytes in memory from last address accessed
None
Returns contents of next two addresses
$1A
Reads stack pointer
None
Returns incremented stack pointer value (SP + 1) in high-byte:low-byte order
$0C
Table 19-5. IREAD (Indexed Read) Command
ECHO
FROM HOST
ECHO
READSP
FROM HOST
ADDRESS
IREAD
HIGH
READSP
ADDRESS
IREAD
HIGH
Command Sequence
Command Sequence
Command Sequence
ADDRESS
LOW
ADDRESS
HIGH
LOW
SP
DATA
LOW
DATA
SP
DATA
RETURN
RETURN
DATA
Monitor Module (MON)
251
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