mc68hc908gr16 Freescale Semiconductor, Inc, mc68hc908gr16 Datasheet - Page 249

• Manufacturer Part Number: mc68hc908gr16
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

A brief description of each monitor mode command is given in
Freescale Semiconductor
Data Returned
Data Returned
3
Description
SENT TO MONITOR
ECHO
Notes:
Description
ECHO
ECHO
WRITE
1 = Echo delay, 2 bit times
2 = Cancel command delay, 11 bit times
3 = Wait 1 bit time before sending next byte.
FROM HOST
FROM HOST
WRITE
Operand
Operand
Opcode
Opcode
READ
1
WRITE
WRITE
READ
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
Table 19-3. READ (Read Memory) Command
Read byte from memory
2-byte address in high-byte:low-byte order
Returns contents of specified address
$4A
3
ADDRESS
ADDRESS
HIGH
HIGH
ADDRESS
Figure 19-16. Write Transaction
MC68HC908GR16 Data Sheet, Rev. 5.0
HIGH
1
ADDRESS
ADDRESS
HIGH
HIGH
ADDRESS
Command Sequence
Command Sequence
HIGH
3
ADDRESS
ADDRESS
LOW
LOW
ADDRESS
LOW
1
ADDRESS
ADDRESS
LOW
LOW
ADDRESS
LOW
Table 19-3
3
DATA
DATA
1
DATA
through
DATA
DATA
Table
RETURN
2, 3
Monitor ROM (MON)
19-8.
249