Um8250b: Difference between revisions
From Citylan
Jump to navigationJump to search
mNo edit summary |
m (→Files) |
||
| Line 40: | Line 40: | ||
[[Category:Other Chips]] | [[Category:Other Chips]] | ||
[[Category:DIP40]] | [[Category:DIP40-600mil]] | ||
Latest revision as of 15:35, 9 November 2017
Asynchronous Communication Element (ACE)
Pinout
DIP40
+---\/---+
D0 | 1 40| Vdd
D1 | 2 39| *RI
D2 | 3 38| *DCD
D3 | 4 37| *DSR
D4 | 5 36| *CTS
D5 | 6 35| MR
D6 | 7 34| *OUT1
D7 | 8 33| *DTR
RCLK | 9 32| *RTS
SIN |10 31| *OUT2
SOUT |11 30| INTRPT
CS0 |12 29| NC
CS1 |13 28| A0
*CS2 |14 27| A1
*BAUDOUT |15 26| A2
XTAL1 |16 25| *ADS
XTAL2 |17 24| CSOUT
*DOSTR |18 23| DDIS
DOSTR |19 22| DISTR
Vss |20 21| *DISTR
+--------+
Frequency
DIP40
Set reader to FREQ, put black probe to GND, red probe to 16 and to 17 to measure CPU clock
External links
Files
-
UM8250B Datasheet
