16-Bit High-Integration Embedded Processors Specification Sheet

80C186EA/80C188EA, 80L186EA/80L188EA
Table 7. QFP (EIAJ) Package Location with Pin Names
Location Name Location Name Location Name Location Name
1 AD15 (A15) 21 S2 41 MCS1/ERROR 61 DRQ0
2V
CC
22 S1 42 MCS2 62 V
SS
3 A16 23 S0 43 MCS3/NCS 63 N.C.
4 A17 24 V
SS
44 V
CC
64 AD0
5 A18 25 HLDA 45 UCS
65 AD8 (A8)
6 A19/S6 26 HOLD 46 LCS 66 AD1
7 BHE
(RFSH) 27 SRDY 47 PCS6/A2 67 AD9 (A9)
8WR
/QS1 28 LOCK 48 PCS5/A1 68 AD2
9RD
/QSMD 29 TEST/BUSY 49 PCS4 69 AD10 (A10)
10 ALE/QS0 30 NMI 50 PCS3
70 AD3
11 N.C. 31 INT0 51 PCS2
71 AD11 (A11)
12 V
SS
32 INT1/SELECT 52 PCS1 72 V
CC
13 V
SS
33 V
CC
53 V
SS
73 V
CC
14 N.C. 34 V
CC
54 PCS0 74 AD4
15 N.C. 35 INT2/INTA0
55 RESIN 75 AD12 (A12)
16 CLKIN 36 INT3/INTA1
/ 56 T1OUT 76 AD5
17 OSCOUT IRQ 57 T0OUT 77 AD13 (A13)
18 RESOUT 37 DT/R
58 T1IN 78 AD6
19 CLKOUT 38 PDTMR 59 T0IN 79 AD14 (A14)
20 ARDY 39 DEN
60 DRQ1 80 AD7
40 MCS0/PEREQ
NOTE:
Pin names in parentheses apply to the 80C186EA/80L188EA.
NOTES: 272432–6
1. The nine-character alphanumeric code (XXXXXXXXD) underneath the product number is the Intel FPO number.
2. Pin names in parentheses apply to the 80C186EA/80L188EA.
Figure 6. Quad Flat Pack (EIAJ) Pinout Diagram
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