s908ey8ad4cfjer Freescale Semiconductor, Inc, s908ey8ad4cfjer Datasheet - Page 27

• Manufacturer Part Number: s908ey8ad4cfjer
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Addr.
$000A
$000B
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
Register Name
Port C Data Register
Port D Data Register
Port A Data Register
Port B Data Register
Port E Data Register
Register C (DDRC)
Register D (DDRD)
Register A (DDRA)
Register B (DDRB)
Register E (DDRE)
BEMF Register
See page 115.
See page 117.
See page 119.
See page 120.
See page 115.
See page 118.
See page 119.
See page 121.
See page 122.
See page 123.
Data Direction
Data Direction
Data Direction
Data Direction
Data Direction
See page 55.
Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 7)
(BEMF)
(PTA)
(PTB)
(PTC)
(PTD)
(PTE)
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:
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
MCLKEN
DDRB7
BEMF7
Bit 7
PTB7
R
0
0
0
0
0
0
0
0
0
0
0
0
0
= Unimplemented
DDRA6
DDRB6
BEMF6
PTA6
PTB6
R
6
0
0
0
0
0
0
0
0
0
0
0
0
DDRA5
DDRB5
BEMF5
PTA5
PTB5
5
R
0
0
0
0
0
0
0
0
0
0
0
0
R = Reserved
DDRA4
DDRB4
DDRC4
BEMF4
PTC4
PTA4
Unaffected by reset
PTB4
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
4
R
0
0
0
0
0
0
0
0
0
0
DDRA3
DDRB3
DDRC3
BEMF3
PTA3
PTB3
PTC3
3
R
0
0
0
0
0
0
0
0
0
0
DDRC2
DDRA2
DDRB2
BEMF2
PTA2
PTB2
PTC2
R
U = Unaffected
Input/Output (I/O) Section
2
0
0
0
0
0
0
0
0
0
0
DDRA1
DDRB1
DDRC1
DDRD1
DDRE1
BEMF1
PTA1
PTB1
PTC1
PTD1
PTE1
1
R
0
0
0
0
0
0
DDRA0
DDRB0
DDRC0
DDRD0
DDRE0
BEMF0
Bit 0
PTD0
PTA0
PTB0
PTC0
PTE0
R
0
0
0
0
0
0
27