MC68HC708MP16CFU

Manufacturer Part NumberMC68HC708MP16CFU
ManufacturerFreescale Semiconductor, Inc
MC68HC708MP16CFU datasheet
 
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Page 42/398:

DDRA1 DDRA0

Download datasheet (4Mb)Embed
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Memory Map
Addr.
Name
Read:
Port A Data Register
$0000
(PTA)
Write:
See
page
320.
Reset:
Read:
Port B Data Register
$0001
(PTB)
Write:
See
page
322.
Reset:
Read:
Port C Data Register
$0002
(PTC)
Write:
See
page
324.
Reset:
Read:
Port D Data Register
$0003
(PTD)
Write:
See
page
326.
Reset:
Read:
Port E Data Register
$0004
(PTE)
Write:
See
page
328.
Reset:
Read:
Port F Data Register
$0005
(PTF)
Write:
See
page
330.
Reset:
Read:
Data Direction Register A
$0006
(DDRA)
Write:
See
page
320.
Reset:
Read:
Data Direction Register B
$0007
(DDRB)
Write:
See
page
322.
Reset:
Read:
Data Direction Register C
$0008
(DDRC)
Write:
See
page
325.
Reset:
Read:
$0009
Unimplemented
Write:
X = Indeterminate
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 9)
Technical Data
42
)
Bit 7
6
5
4
PTA7
PTA6
PTA5
PTA4
Unaffected by reset
PTB7
PTB6
PTB5
PTB4
Unaffected by reset
0
PTC6
PTC5
PTC4
Unaffected by reset
0
PTD6
PTD5
PTD4
Unaffected by reset
PTE7
PTE6
PTE5
PTE4
Unaffected by reset
0
0
PTF5
PTF4
Unaffected by reset
DDRA7
DDRA6
DDRA5
DDRA4
0
0
0
0
DDRB7
DDRB6
DDRB5
DDRB4
0
0
0
0
0
DDRC6
DDRC5
DDRC4
0
0
0
0
= Unimplemented
Memory Map
3
2
1
Bit 0
PTA3
PTA2
PTA1
PTA0
PTB3
PTB2
PTB1
PTB0
PTC3
PTC2
PTC1
PTC0
PTD3
PTD2
PTD1
PTD0
PTE3
PTE2
PTE1
PTE0
PTF3
PTF2
PTF1
PTF0
DDRA3
DDRA2

DDRA1 DDRA0

0
0
0
0
DDRB3
DDRB2
DDRB1 DDRB0
0
0
0
0
DDRC3
DDRC2
DDRC1 DDRC0
0
0
0
0
R
= Reserved
MC68HC708MP16
Rev. 3.1
Freescale Semiconductor