Intel 80C186EA Preliminary Information page 17

Table 6 QFP (EIAJ) Pin Names with Package Location
Address Data Bus
Name Location
AD0 64 ALE QS0
AD1 66 BHE (RFSH)
AD2 68 S0
AD3 70 S1
AD4 74 S2
AD5 76 RD QSMD
AD6 78 WR QS1
AD7 80 ARDY
AD8 (A8) 65 SRDY
AD9 (A9) 67 DT R
AD10 (A10) 69 DEN
AD11 (A11) 71 LOCK
AD12 (A12) 75 HOLD
AD13 (A13) 77 HLDA
AD14 (A14) 79
AD15 (A15) 1
A16 3
A17 4
A18 5
A19 S6 6
V
V
NOTE
Pin names in parentheses apply to the 80C186EA 80L188EA
Bus Control
Name Location
10 RESIN
7 RESOUT
23 CLKIN
22 OSCOUT
21 CLKOUT
9 TEST BUSY
8 PDTMR
20 NMI
27 INT0
37 INT1 SELECT
39 INT2 INTA0
28 INT3 INTA1
26 IRQ
25 N C
Power
Name Location
12 13 24
SS
53 62
2 33 34
CC
44 72 73
80C186EA 80C188EA 80L186EA 80L188EA
Processor Control
Name Location
55 UCS
18 LCS
16 MCS0 PEREQ
17 MCS1 ERROR
19 MCS2
29 MCS3 NCS
38 PCS0
30 PCS1
31 PCS2
32 PCS3
35 PCS4
36 PCS5 A1
PCS6 A2
11 14 T0OUT
15 63 T0IN
T1OUT
T1IN
DRQ0
DRQ1
I O
Name Location
45
46
40
41
42
43
54
52
51
50
49
48
47
57
59
56
58
61
60
17
17