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Intel 80L186EA User Manual

Page 18

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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

2

V

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)

8

WR QS1

28

LOCK

48

PCS5 A1

68

AD2

9

RD 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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