MC68HC08AZ60A Datasheet, PDF (45/480 Pages) Motorola, Inc – Microcontrollers

Memory Map
I/O Section
2.3 I/O Section
Addresses $0000–$004F, shown in Figure 2-2, contain the I/O Data,
Status and Control Registers.
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Read:
Port A Data Register (PTA)
PTA7 PTA6 PTA5 PTA4 PTA3 PTA2 PTA1 PTA0
Write:
Read:
Port B Data Register (PTB)
PTB7
Write:
PTB6
PTB5
PTB4
PTB3
PTB2
PTB1
PTB0
Read: 0
Port C Data Register (PTC)
Write:
0
PTC5 PTC4 PTC3 PTC2 PTC1 PTC0
Read:
Port D Data Register (PTD)
PTD7
Write:
PTD6
PTD5
PTD4
PTD3
PTD2
PTD1
PTD0
Data Direction Register A
(DDRA)
Read:
Write:
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
Data Direction Register B
(DDRB)
Read:
Write:
DDRB7
DDRB6
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
Data Direction Register C ^Read: MCLKE
(DDRC) _Write: N
0
DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
Data Direction Register D
(DDRD)
Read:
Write:
DDRD7
DDRD6
DDRD5
DDRD4
DDRD3
DDR2
DDRD1 DDRD0
Read:
Port E Data Register (PTE)
PTE7
Write:
PTE6
PTE5
PTE4
PTE3
PTE2
PTE1
PTE0
Read: 0
Port F Data Register (PTF)
Write:
PTF6 PTF5 PTF4 PTF3 PTF2 PTF1 PTF0
Read: 0
0
0
0
0
Port G Data Register (PTG)
PTG2 PTG1 PTG0
Write:
Read: 0
0
0
0
0
0
Port H Data Register (PTH)
PTH1 PTH0
Write:
Data Direction Register E
(DDRE)
Read:
Write:
DDRE7
DDRE6
DDRE5
DDRE4
DDRE3
DDRE2
DDRE1
DDRE0
Data Direction Register F ^{Read: 0}
(DDRF) _Write:
DDRF6 DDRF5 DDRF4 DDRF3 DDRF2 DDRF1 DDRF0
Data Direction Register G ^{Read: 0}
(DDRG) _Write:
0
0
0
0
DDRG2 DDRG1 DDRG0
Data Direction Register H ^{Read: 0}
(DDRH) _Write:
0
0
0
0
0
DDRH1 DDRH0
Figure 2-2. I/O Data, Status and Control Registers (Sheet 1 of 5)
MC68HC08AZ60A — Rev 0.0
Advance Information
MOTOROLA
Memory Map
45