mc68hc908rk2 Freescale Semiconductor, Inc, mc68hc908rk2 Datasheet - Page 156

• Manufacturer Part Number: mc68hc908rk2
• Description: Hcmos Microcontroller Unit
• Manufacturer: Freescale Semiconductor, Inc

Monitor Read-Only Memory (MON)
Advance Information
156
Notes: 1 = Echo delay (2 bit times)
Description
Operand
Data Returned
Opcode
Command Sequence
Description
Operand
Data Returned
Opcode
Command Sequence
SENT TO
MONITOR
ECHO
2 = Wait 1 bit time before sending next byte.
WRITE
1
Write byte to memory
None
$49
Read next 2 bytes in memory from last address accessed
Returns contents of next two addresses
Specifies 2-byte address in high byte:low byte order; low byte followed by data byte
Specifies 2-byte address in high byte:low byte order
$1A
WRITE
SENT TO
MONITOR
Notes: 1 = Echo delay (2 bit times)
Table 10-4. WRITE (Write Memory) Command
Table 10-5. IREAD (Indexed Read) Command
ECHO
2 = Data return delay (2 bit times)
2
ADDR. HIGH
Monitor Read-Only Memory (MON)
IREAD
1
1
ADDR. HIGH
IREAD
2
2
ADDR. LOW
DATA
1
2
ADDR. LOW
DATA
RESULT
2
MC68HC908RK2
DATA
1
DATA
MOTOROLA
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Rev. 4.0