mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 28

• Manufacturer Part Number: mc68hc908mr32
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Memory
28
U = Unaffected
$000A
$000B
$000C
$000D
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
Addr.
Data Direction Register C
Data Direction Register A
Data Direction Register B
Data Direction Register E
Data Direction Register F
X = Indeterminate
Register Name
Figure 2-2. Control, Status, and Data Registers Summary (Sheet 1 of 8)
Port A Data Register
Port B Data Register
Port C Data Register
Port D Data Register
Port E Data Register
Port F Data Register
Unimplemented
Unimplemented
Unimplemented
See page 103.
See page 104.
See page 106.
See page 107.
See page 103.
See page 105.
See page 106.
See page 108.
See page 110.
See page 109.
See page 110.
(DDRC)
(DDRA)
(DDRB)
(DDRE)
(DDRF)
(PTC)
(PTD)
(PTA)
(PTB)
(PTE)
(PTF)
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
DDRA7
DDRB7
DDRE7
PTA7
PTB7
PTE7
Bit 7
R
R
R
R
R
R
0
0
0
0
0
0
0
0
0
= Reserved
DDRC6
DDRA6
DDRB6
DDRE6
PTA6
PTB6
PTC6
PTD6
PTE6
R
R
R
6
0
0
0
0
0
0
DDRC5
DDRA5
DDRB5
DDRE5
DDRF5
PTA5
PTB5
PTC5
PTD5
PTE5
PTF5
R
5
0
0
0
0
0
DDRC4
DDRA4
DDRB4
DDRE4
DDRF4
PTA4
PTB4
PTC4
PTD4
PTE4
PTF4
Bold
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
R
4
0
0
0
0
0
= Buffered
DDRA3
DDRB3
DDRC3
DDRE3
DDRF3
PTC3
PTD3
PTA3
PTB3
PTE3
PTF3
R
3
0
0
0
0
0
DDRA2
DDRB2
DDRC2
DDRE2
DDRF2
PTA2
PTB2
PTC2
PTD2
PTE2
PTF2
Freescale Semiconductor
R
2
0
0
0
0
0
= Unimplemented
DDRA1
DDRB1
DDRC1
DDRE1
DDRF1
PTC1
PTD1
PTA1
PTB1
PTE1
PTF1
R
1
0
0
0
0
0
DDRC0
DDRA0
DDRB0
DDRE0
DDRF0
PTA0
PTB0
PTC0
PTD0
PTE0
PTF0
Bit 0
R
0
0
0
0
0