5450
From Citylan
LED Display Driver
Pinout
DIP40 +---\/---+ Vss | 1 40| OutBit18 OutBit17 | 2 39| OutBit19 OutBit16 | 3 38| OutBit20 OutBit15 | 4 37| OutBit21 OutBit14 | 5 36| OutBit22 OutBit13 | 6 35| OutBit23 OutBit12 | 7 34| OutBit24 OutBit11 | 8 33| OutBit25 OutBit10 | 9 32| OutBit26 OutBit 9 |10 31| OutBit27 OutBit 8 |11 30| OutBit28 OutBit 7 |12 29| OutBit29 OutBit 6 |13 28| OutBit30 OutBit 5 |14 27| OutBit31 OutBit 4 |15 26| OutBit32 OutBit 3 |16 25| OutBit33 OutBit 2 |17 24| OutBit34 OutBit 1 |18 23| *Data Enable Bright C |19 22| Data In Vdd |20 21| Clock in +--------+
Frequency
DIP40
Set reader to FREQ, put black probe to GND, red probe to 21 to measure CPU clock
External links
Files
-
MM5450N Datasheet