8253: Difference between revisions
From Citylan
Jump to navigationJump to search
m (→Files) |
m (→Files) |
||
| Line 33: | Line 33: | ||
[[Category:Other Chips]] | [[Category:Other Chips]] | ||
[[Category:DIP24- | [[Category:DIP24-600mil]] | ||
Latest revision as of 14:30, 14 May 2017
Programmable Interval Timer
Pinout
DIP24
+---\/---+
D7 | 1 24| Vcc
D6 | 2 23| *WR
D5 | 3 22| *RD
D4 | 4 21| *CS
D3 | 5 20| A1
D2 | 6 19| A0
D1 | 7 18| CLK2
D0 | 8 17| OUT2
CLK0 | 9 16| GATE2
OUT0 |10 15| CLK1
GATE0 |11 14| GATE1
GND |12 13| OUT1
+--------+
Frequency
DIP24
Set reader to FREQ, put black probe to GND, red probe to 9,15,18 to measure CPU clock
External links
Files
-
D8253C Datasheet
-
INS8253N Datasheet
