MC908GR16ACFA FREESCALE [Freescale Semiconductor, Inc], MC908GR16ACFA Datasheet - Page 244

• Manufacturer Part Number: MC908GR16ACFA
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

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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.
244
Data Returned
Data Returned
Data Returned
Description
Description
Description
ECHO
FROM HOST
WRITE
Operand
Operand
Operand
Opcode
Opcode
Opcode
WRITE
Table 19-6. IWRITE (Indexed Write) Command
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
Write to last address accessed + 1
Single data byte
None
$19
Table 19-5. IREAD (Indexed Read) Command
ECHO
FROM HOST
FROM HOST
ADDRESS
ECHO
IREAD
IWRITE
HIGH
MC68HC908GR16A Data Sheet, Rev. 1.0
ADDRESS
IREAD
IWRITE
HIGH
Command Sequence
Command Sequence
Command Sequence
ADDRESS
LOW
DATA
ADDRESS
LOW
DATA
DATA
DATA
DATA
RETURN
DATA
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