8441

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8-bit Single CHIP Microcontroller

Pinout

SOIC28
         +---\/---+
    P2.2 | 1    28| Vcc
SDA/P2.3 | 2    27| P2.1
    SCLK | 3    26| P2.0
    P0.0 | 4    25| P1.7
    P0.1 | 5    24| P1.6
    P0.2 | 6    23| P1.5
    P0.3 | 7    22| P1.4
    P0.4 | 8    21| P1.3
    P0.5 | 9    20| P1.2
    P0.6 |10    19| P1.1
    P0.7 |11    18| P1.0
 *INT/T0 |12    17| RESET
      T1 |13    16| XTAL2
     Vss |14    15| XTAL1
         +--------+

Frequency

DIP28
Set reader to FREQ, put black probe to GND, red probe to 3,15,16 to measure CPU clock

External links

Files