Um8272: Difference between revisions
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'''Floppy Disk Controller''' | |||
=Pinout= | |||
<pre> | |||
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 | |||
+--------+ | |||
</pre> | |||
=Frequency= | |||
'''DIP40'''<br> | |||
Set reader to FREQ, put black probe to GND, red probe to 19 to measure CPU clock | |||
=External links= | |||
=Files= | |||
<gallery widths="150px"> | <gallery widths="150px"> | ||
File:um8272.pdf|Datasheet | File:um8272.pdf|UM8272 Datasheet | ||
</gallery> | </gallery> | ||
[[Category: | [[Category:Other Chips]] | ||
[[Category:DIP40]] | |||
Revision as of 13:15, 23 October 2009
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
