mc68hc908lv8 Freescale Semiconductor, Inc, mc68hc908lv8 Datasheet - Page 189

• Manufacturer Part Number: mc68hc908lv8
• Description: M68hc08 Microcontrollers 8-bit Microcontroller With Integrated Lcd Driver
• Manufacturer: Freescale Semiconductor, Inc

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
FROM HOST
ECHO
WRITE
Description
Description
Description
Operand
Operand
Operand
Opcode
Opcode
Opcode
WRITE
Table 16-6. IWRITE (Indexed Write) Command
Table 16-4. WRITE (Write Memory) Command
Table 16-5. IREAD (Indexed Read) Command
ECHO
FROM HOST
Write byte to memory
None
$49
Read next 2 bytes in memory from last address accessed
None
$1A
Write to last address accessed + 1
None
$19
2-byte address in high-byte:low-byte order; low byte followed by data byte
Returns contents of next two addresses
Single data byte
IREAD
FROM HOST
ADDRESS
IWRITE
ECHO
HIGH
MC68HC908LV8 Data Sheet, Rev. 2
IREAD
ADDRESS
IWRITE
HIGH
Command Sequence
Command Sequence
Command Sequence
ADDRESS
LOW
DATA
ADDRESS
DATA
LOW
DATA
DATA
DATA
RETURN
DATA
Monitor Module (MON)
189