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MC68HC05P9AP Datasheet(PDF) 21 Page - Freescale Semiconductor, Inc

Part # MC68HC05P9AP
Description  HCMOS Microcontroller Unit
PDF  158 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC68HC05P9AP Datasheet(HTML) 21 Page - Freescale Semiconductor, Inc

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Memory
Input/Output Register Summary
MOTOROLA
Memory
21
7-mc68hc05p9a
Input/Output Register Summary
Addr.
Name
R/W
Bit 7
654321
Bit 0
$0000
Port A Data Register (PORTA)
Read:
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Write:
Reset:
Unaffected by reset
$0001
Port B Data Register (PORTB)
Read:
PB7
PB6
PB5
00000
Write:
Reset:
Unaffected by reset
$0002
Port C Data Register (PORTC)
Read:
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Write:
Reset:
Unaffected by reset
$0003
Port D Data Register (PORTD)
Read:
PD7
0
PD5
10000
Write:
Reset:
Unaffected by reset
$0004
Data Direction Register A (DDRA)
Read:
DDRA7 DDRA6 DDRA5 DDRA4 DDRA3 DDRA2 DDRA1 DDRA0
Write:
Reset:
00000000
$0005
Data Direction Register B (DDRB)
Read:
DDRB7 DDRB6 DDRB5
00000
Write:
Reset:
00000000
$0006
Data Direction Register C (DDRC)
Read:
DDRC7 DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
Write:
Reset:
00000000
$0007
Data Direction Register D (DDRD)
Read:
00
DDRD5
00000
Write:
Reset:
00000000
$0008
Unimplemented
$0009
Unimplemented
= Unimplemented
R = Reserved
U = Unaffected
Figure 9. I/O Register Summary
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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