6821: Difference between revisions
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m (Created page with '[http://www.cpu-world.com/Support/6809.html "6809 support chips" page on CPU-World]<br> <gallery widths="150px"> File:mc6821.pdf|Datasheet </gallery> Category:CPU') |
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'''Peripheral Interface Adapter PIA''' | |||
=Pinout= | |||
<pre> | |||
DIP40 | |||
+---\/---+ | |||
Vss | 1 40| CA1 | |||
PA0 | 2 39| CA2 | |||
PA1 | 3 38| *IRQA | |||
PA2 | 4 37| *IRQB | |||
PA3 | 5 36| RS0 | |||
PA4 | 6 35| RS1 | |||
PA5 | 7 34| *RESET | |||
PA6 | 8 33| D0 | |||
PA7 | 9 32| D1 | |||
PB0 |10 31| D2 | |||
PB1 |11 30| D3 | |||
PB2 |12 29| D4 | |||
PB3 |13 28| D5 | |||
PB4 |14 27| D6 | |||
PB5 |15 26| D7 | |||
PB6 |16 25| E | |||
PB7 |17 24| CS1 | |||
CB1 |18 23| *CS2 | |||
CB2 |19 22| CS0 | |||
Vcc |20 21| R/*W | |||
+--------+ | |||
</pre> | |||
=Frequency= | |||
No frequency to check | |||
=External links= | |||
[http://www.cpu-world.com/Support/6809.html "6809 support chips" page on CPU-World] | |||
=Files= | |||
<gallery widths="150px"> | <gallery widths="150px"> | ||
File:mc6821.pdf|Datasheet | File:mc6821.pdf|MC6821 Datasheet | ||
</gallery> | </gallery> | ||
[[Category:CPU]] | [[Category:CPU]] | ||
Revision as of 15:36, 28 September 2009
Peripheral Interface Adapter PIA
Pinout
DIP40
+---\/---+
Vss | 1 40| CA1
PA0 | 2 39| CA2
PA1 | 3 38| *IRQA
PA2 | 4 37| *IRQB
PA3 | 5 36| RS0
PA4 | 6 35| RS1
PA5 | 7 34| *RESET
PA6 | 8 33| D0
PA7 | 9 32| D1
PB0 |10 31| D2
PB1 |11 30| D3
PB2 |12 29| D4
PB3 |13 28| D5
PB4 |14 27| D6
PB5 |15 26| D7
PB6 |16 25| E
PB7 |17 24| CS1
CB1 |18 23| *CS2
CB2 |19 22| CS0
Vcc |20 21| R/*W
+--------+
Frequency
No frequency to check
External links
"6809 support chips" page on CPU-World
Files
-
MC6821 Datasheet
