mc68hc908mr24 Freescale Semiconductor, Inc, mc68hc908mr24 Datasheet - Page 42

• Manufacturer Part Number: mc68hc908mr24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Memory Map
Advance Information
42
U = Unaffected
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
Addr.
Figure 2-2. Control, Status, and Data Registers Summary (Sheet 1 of 10)
Data Direction Register A
Data Direction Register B
Data Direction Register C
Port C Data Register
Port D Data Register
Port A Data Register
Port B Data Register
Port E Data Register
X = Indeterminate
Port F Data Register
Register Name
See page 324.
See page 326.
See page 328.
See page 330.
See page 324.
See page 326.
See page 328.
See page 331.
See page 333.
(DDRA)
(DDRB)
(DDRC)
(PTC)
(PTD)
(PTA)
(PTB)
(PTE)
(PTF)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
DDRA7 DDRA6
DDRB7 DDRB6
PTA7
PTB7
PTE7
Bit 7
R
R
R
R
R
0
0
0
0
0
0
0
= Reserved
DDRC6
PTC6
PTD6
Memory Map
PTA6
PTB6
PTE6
R
R
6
0
0
0
0
DDRC5
DDRA5
DDRB5
PTC5
PTD5
PTA5
PTB5
PTE5
PTF5
R
5
0
0
0
DDRC4
DDRA4
DDRB4
PTA4
Unaffected by reset
PTB4
Unaffected by reset
PTC4
Unaffected by reset
PTD4
Unaffected by reset
PTE4
Unaffected by reset
Unaffected by reset
PTF4
Bold
Unimplemented
R
4
0
0
0
= Buffered
DDRA3
DDRB3
DDRC3
PTA3
PTB3
PTC3
PTD3
PTE3
PTF3
R
3
0
0
0
MC68HC908MR24
Freescale Semiconductor
DDRA2
DDRB2
DDRC2
PTC2
PTD2
PTA2
PTB2
PTE2
PTF2
R
2
0
0
0
DDRC1 DDRC0
DDRA1
DDRB1
PTA1
PTB1
PTC1
PTD1
PTE1
PTF1
R
1
0
0
0
—
Rev. 4.1
DDRA0
DDRB0
PTA0
PTB0
PTC0
PTD0
PTE0
PTF0
Bit 0
R
0
0
0