s908qy2ad1vdwer Freescale Semiconductor, Inc, s908qy2ad1vdwer Datasheet - Page 151

• Manufacturer Part Number: s908qy2ad1vdwer
• Description: Mc68hc908qt4a Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

A brief description of each monitor mode command is given in
Freescale Semiconductor
3
Data Returned
Notes:
SENT TO MONITOR
ECHO
Notes:
1 = Echo delay, approximately 2 bit times
2 = Data return delay, approximately 2 bit times
WRITE
ECHO
1 = Echo delay, approximately 2 bit times
2 = Cancel command delay, 11 bit times
3 = Wait 1 bit time before sending next byte.
ECHO
4
FROM
HOST
Description
FROM
HOST
READ
READ
Operand
Opcode
1
WRITE
1
READ
READ
Table 15-3. READ (Read Memory) Command
Read byte from memory
$4A
2-byte address in high-byte:low-byte order
Returns contents of specified address
3
MC68HC908QYA/QTA Family Data Sheet, Rev. 2
ADDRESS
4
HIGH
ADDRESS
ADDRESS
Figure 15-15. Read Transaction
Figure 15-16. Write Transaction
HIGH
HIGH
1
ADDRESS
1
HIGH
ADDRESS
Command Sequence
ADDRESS
HIGH
HIGH
3
ADDRESS
4
LOW
ADDRESS
ADDRESS
LOW
LOW
3 = Cancel command delay, 11 bit times
4 = Wait 1 bit time before sending next byte.
1
ADDRESS
1
LOW
ADDRESS
ADDRESS
LOW
LOW
Table 15-3
3
DATA
3, 2
1
through
DATA
DATA
DATA
Table
RETURN
RETURN
4
2, 3
Monitor Module (MON)
15-8.
151