6802
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8-bit Microcontroller
Family table
| Model | RAM size | RAM retained |
|---|---|---|
| F6802 | 128 B | 32 B |
| F6882 | 128 B | 8 B |
| F6808 | - | - |
Pinout
DIP40
+---\/---+
Vss | 1 40| *RES
*HALT | 2 39| EXTAL
MR | 3 38| XTAL
*IRQ | 4 37| E
VMA | 5 36| RE
*NMI | 6 35| Vcc
BA | 7 34| R/*W
Vcc | 8 33| D0
A0 | 9 32| D1
A1 |10 31| D2
A2 |11 30| D3
A3 |12 29| D4
A4 |13 28| D5
A5 |14 27| D6
A6 |15 26| D7
A7 |16 25| A15
A8 |17 24| A14
A9 |18 23| A13
A10 |19 22| A12
A11 |20 21| Vss
+--------+
Frequency
DIP40
Set reader to FREQ, put black probe to GND, red probe to 38 and 39 to measure CPU clock
Guru's comment: Pin 37 (pin 38 and 39 clock input divided by 4 internally)
External links
Files
-
MC6802 Datasheet
-
F6802/F6882/F6808 Datasheet