80186

16-bit Microprocessor

Pinout

LCC68
+---------------------------------------------------------------+
|  1 AD15/A15   | 18 DRQ0       | 35 *MCS3      | 52 *S0        |
|  2 AD7        | 19 DRQ1       | 36 *MCS2      | 53 *S1        |
|  3 AD14/A14   | 20 TMR IN 0   | 37 *MCS1      | 54 *S2        |
|  4 AD6        | 21 TMR IN 1   | 38 *MCS0      | 55 ARDY       |
|  5 AD13/A13   | 22 TMR OUT 0  | 39 *DEN       | 56 CLKOUT     |
|  6 AD5        | 23 TMR OUT 1  | 40 DT/*R      | 57 RESET      |
|  7 AD12/A12   | 24 *RES       | 41 INT3/*INTA1| 58 X2         |
|  8 AD4        | 25 *PCS0      | 42 INT2/*INTA0| 59 X1         |
|  9 Vcc        | 26 Vss        | 43 Vcc        | 60 Vss        |
| 10 AD11/A11   | 27 *PCS1      | 44 INT1       | 61 ALE/QS0    |
| 11 AD3        | 28 *PCS2      | 45 INT0       | 62 *RD/*QSMD  |
| 12 AD10/A10   | 29 *PCS3      | 46 NMI        | 63 *WR/QS1    |
| 13 AD2        | 30 *PCS4      | 47 *TEST      | 64 S7/*BHE    |
| 14 AD9/A9     | 31 *PCS5/A1   | 48 *LOCK      | 65 A19/S6     |
| 15 AD1        | 32 *PCS0/A2   | 49 SRDY       | 66 A18/S5     |
| 16 AD8/A8     | 33 LCS        | 50 HOLD       | 67 A17/S4     |
| 17 AD0        | 34 UCS        | 51 HLDA       | 68 A16/S3     |
+---------------------------------------------------------------+

Frequency

Set reader to FREQ, put black probe to GND, red probe to 58 or 59 to measure CPU clock

External links

80186 page on Wikipedia
80186 page on CPU-World

Files

• 
  80186 Datasheet