mc68hc908jb8 Freescale Semiconductor, Inc, mc68hc908jb8 Datasheet - Page 42

• Manufacturer Part Number: mc68hc908jb8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Memory Map
Technical Data
42
* DDRA7 bit is reset by POR or LVI reset only.
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
Data Direction Register C
Data Direction Register D
Data Direction Register A
Data Direction Register B
Data Direction Register E
Register Name
Port C Data Register
Port D Data Register
Port A Data Register
Port B Data Register
Port E Data Register
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 8)
(DDRC)
(DDRD)
(DDRA)
(DDRB)
(DDRE)
(PTB)
(PTC)
(PTD)
(PTE)
(PTA)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
DDRA7
DDRB7
DDRC7
DDRD7
PTC7
PTD7
PTA7
PTB7
Bit 7
0*
0
0
0
0
0
0
= Unimplemented
DDRA6
DDRB6
DDRC6
DDRD6
PTA6
PTB6
PTC6
PTD6
6
0
0
0
0
0
0
0
Memory Map
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
DDRA5
DDRB5
DDRC5
DDRD5
PTA5
PTB5
PTC5
PTD5
5
0
0
0
0
0
0
0
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
DDRA4
DDRB4
DDRC4
DDRD4
Unaffected by reset
DDRE4
PTA4
PTB4
PTC4
PTD4
PTE4
R
4
0
0
0
0
0
= Reserved
DDRA3
DDRB3
DDRC3
DDRD3
DDRE3
PTA3
PTB3
PTC3
PTD3
PTE3
3
0
0
0
0
0
DDRA2
DDRB2
DDRC2
DDRD2
DDRE2
PTA2
PTB2
PTC2
PTD2
PTE2
Freescale Semiconductor
2
0
0
0
0
0
U = Unaffected by reset
DDRC1
DDRD1
DDRA1
DDRB1
DDRE1
PTA1
PTB1
PTC1
PTD1
PTE1
1
0
0
0
0
0
DDRC0
DDRD0
DDRA0
DDRB0
DDRE0
PTA0
PTB0
PTC0
PTD0
PTE0
Bit 0
0
0
0
0
0