MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 164

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

MC68HC908LJ12
Freescale Semiconductor
—
Rev. 2.1
A brief description of each monitor mode command is given in
Table 10-4
ECHO
Notes:
4
3
Description
FROM HOST
FROM HOST
1 = Echo delay, 2 bit times
2 = Data return delay, 2 bit times
3 = Cancel command delay, 11 bit times
4 = Wait 1 bit time before sending next byte.
ECHO
Notes:
Returned
Operand
ECHO
Opcode
WRITE
1 = Echo delay, 2 bit times
2 = Cancel command delay, 11 bit times
3 = Wait 1 bit time before sending next byte.
READ
SENT TO
MONITOR
Data
READ
1
1
WRITE
READ
through
Table 10-4. READ (Read Memory) Command
READ
Read byte from memory
2-byte address in high-byte:low-byte order
Returns contents of specified address
$4A
Monitor ROM (MON)
4
3
ADDRESS
ADDRESS
HIGH
HIGH
Figure 10-5. Read Transaction
Figure 10-6. Write Transaction
ADDRESS
Table
HIGH
1
1
ADDRESS
ADDRESS
Command Sequence
HIGH
HIGH
10-9.
ADDRESS
HIGH
4
3
ADDRESS
ADDRESS
LOW
LOW
ADDRESS
LOW
1
1
ADDRESS
ADDRESS
LOW
LOW
ADDRESS
LOW
3
DATA
3, 2
1
Monitor ROM (MON)
DATA
DATA
Technical Data
DATA
RETURN
4
RETURN
2, 3
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