68705: Difference between revisions
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m (Created page with ''''8-bit EPROM Microcomputer Unit''' =Pinout= <pre> DIP28 +---\/---+ Vss | 1 28| *RESET *INT | 2 27| PA7 Vcc | 3 26| PA6 EXTAL | 4 25| PA5 …') |
m (→Frequency) |
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=Frequency= | =Frequency= | ||
'''DIP28'''<br> | '''DIP28'''<br> | ||
Set reader to FREQ, put black probe to GND, red probe to 4 and 5 to measure CPU clock | Set reader to FREQ, put black probe to GND, red probe to 4 and 5 to measure CPU clock | ||
=External links= | =External links= | ||
Revision as of 17:23, 23 November 2009
8-bit EPROM Microcomputer Unit
Pinout
DIP28
+---\/---+
Vss | 1 28| *RESET
*INT | 2 27| PA7
Vcc | 3 26| PA6
EXTAL | 4 25| PA5
XTAL | 5 24| PA4
Vpp | 6 23| PA3
TIMER | 7 22| PA2
PC0 | 8 21| PA1
PC1 | 9 20| PA0
PC2 |10 19| PB7
PC3 |11 18| PB6
PB0 |12 17| PB5
PB1 |13 16| PB4
PB2 |14 15| PB3
+--------+
Frequency
DIP28
Set reader to FREQ, put black probe to GND, red probe to 4 and 5 to measure CPU clock
External links
Files
-
68705 Datasheet
