8350

Pinout

                               DIP40
                               +---\/---+
             REGISTER SELECT B | 1    40| Vcc
             VERTICAL BLANKING | 2    39| REGISTER SELECT A
              50/60 Hz CONTROL | 3    38| REGISTER LOAD
                 VERTICAL SYNC | 4    37| RAM ADDRESS ENABLE
                            NC | 5    36| A0
                           LC3 | 6    35| A1
                           LC2 | 7    34| A2
                           LC1 | 8    33| A3
                           LC0 | 9    32| A4
            CLEAR LINE COUNTER |10    31| A5
         CHARACTER GEN PROGRAM |11    30| A6
LINE BUFFER RECIRCULATE ENABLE |12    29| A7
               LINE RATE CLOCK |13    28| A8
               HORIZONTAL SYNC |14    27| A9
                  SYSTEM CLEAR |15    26| A10
             LINE BUFFER CLOCK |16    25| A11
    EXTERNAL CHAR / LINE CLOCK |17    24| LACTH CHARACTER GENERATOR ADDRESS
     LOAD VIDEO SHIFT REGISTER |18    23| DOT RATE CLOCK
                 CURSOR ENABLE |19    22| X1
                           GND |20    21| X2
                               +--------+

Frequency

Set reader to FREQ, put black probe to GND, red probe to 4,13,14,16,17,21,22,23 to measure CPU clock

External links

8275 page on CPU-World

Files

• 

  8350 Datasheet