Um8272: Difference between revisions
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[[Category:Other Chips]] | [[Category:Other Chips]] | ||
[[Category:DIP40]] | [[Category:DIP40-600mil]] | ||
Latest revision as of 15:34, 9 November 2017
Floppy Disk Controller
Pinout
DIP40
+---\/---+
RESET | 1 40| Vcc
*RD | 2 39| *RW/SEEK
*WR | 3 38| LCT/DIR
*CS | 4 37| FR/STP
A0 | 5 36| HDL
DB0 | 6 35| RDY
DB1 | 7 34| WP/TS
DB2 | 8 33| FLT/TRK0
DB3 | 9 32| PS0
DB4 |10 31| PS1
DB5 |11 30| WDA
DB6 |12 29| DS0
DB7 |13 28| DS1
DRQ |14 27| SEL
*DACK |15 26| MFM
TC |16 25| WE
IDX |17 24| VCO
INT |18 23| RD DATE
CLK |19 22| RDW
GND |20 21| WR CLK
+--------+
Frequency
DIP40
Set reader to FREQ, put black probe to GND, red probe to 19 to measure CPU clock
External links
Files
-
UM8272 Datasheet
