s908az32ag2cfue Freescale Semiconductor, Inc, s908az32ag2cfue Datasheet - Page 31

• Manufacturer Part Number: s908az32ag2cfue
• Description: M68hc08 Microcontrollers 8-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

2.2 I/O Section
Addresses $0000–$004F, shown in
Freescale Semiconductor
$0000
$0001
$0002
$0003
$0004
$0005
Addr.
Data Direction Register A
Data Direction Register B
Register Name
Port A Data Register
Port B Data Register
Port C Data Register
Port D Data Register
Figure 2-2. I/O Data, Status and Control Registers (Sheet 1 of 6)
$FFCC
$FFBF
$FFC0
$FFCB
$FF8F
$FFFF
$FF88
$FF89
$FF90
$FF81
$FF87
↓
↓
↓
↓
↓
(DDRA)
(DDRB)
(PTC)
(PTD)
(PTA)
(PTB)
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Figure 2-1. Memory Map (Sheet 3 of 3)
MC68HC908AZ32A Data Sheet, Rev. 2
Figure
DDRA7
DDRB7
PTA7
PTB7
PTD7
Bit 7
R
0
FLASH CONTROL REGISTER (FLCR)
2-2, contain the I/O Data, Status and Control Registers.
UNIMPLEMENTED (48 BYTES)
= Unimplemented
RESERVED (12 BYTES)
DDRA6
DDRB6
RESERVED (7 BYTES)
RESERVED (7 BYTES)
VECTORS (52 BYTES)
PTA6
PTB6
PTD6
R
6
0
See
Table 2-1
DDRA5
DDRB5
PTA5
PTB5
PTC5
PTD5
5
DDRA4
DDRB4
PTC4
PTD4
PTA4
PTB4
4
DDRA3
DDRB3
PTA3
PTB3
PTC3
PTD3
R
3
= Reserved
DDRA2
DDRB2
PTC2
PTD2
PTA2
PTB2
2
DDRA1
DDRB1
PTA1
PTB1
PTC1
PTD1
1
I/O Section
DDRA0
DDRB0
PTC0
PTD0
PTA0
PTB0
Bit 0
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