Intel 80C188EA QFP Eiaj Package Location with Pin Names, Quad Flat Pack Eiaj Pinout Diagram

Models: 80L186EA 80L188EA 80C186EA 80C188EA

1 50
Download 50 pages 36.73 Kb
Page 18
Image 18

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

 

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

S1

 

42

 

MCS2

 

 

 

62

VSS

3

 

A16

23

 

S0

43

 

MCS3/NCS

63

N.C.

4

 

A17

24

 

VSS

44

 

VCC

 

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

 

VSS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

INT1/SELECT

52

 

PCS1

72

VCC

13

 

VSS

33

 

VCC

53

 

VSS

 

73

VCC

14

 

N.C.

34

 

VCC

 

 

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

18

18

Page 18
Image 18
Intel 80C188EA, 80L186EA, 80L188EA, 80C186EA QFP Eiaj Package Location with Pin Names, Quad Flat Pack Eiaj Pinout Diagram

80L186EA, 80L188EA, 80C186EA, 80C188EA specifications

The Intel 80C188EA, 80C186EA, 80L188EA, and 80L186EA microprocessors represent significant developments in the realm of embedded computing during the 1980s. These processors are part of Intel's x86 architecture, designed to cater to a variety of industrial applications, including automotive and telecommunications.

The 80C188EA and 80C186EA are CMOS variants that offer enhanced power efficiency and reduced heat generation compared to their NMOS predecessors. Operating at clock speeds of up to 25 MHz, these processors are known for their performance in real-time applications. The 80C188EA features a 16-bit data bus and a 16-bit address bus, which can support up to 1 MB of addressable memory. It also boasts an extended instruction set for greater computing flexibility, making it suitable for intricate tasks in embedded systems.

Similarly, the 80C186EA is characterized by its 16-bit architecture, but it includes additional on-chip memory management capabilities. This processor can handle 256 KB of memory directly and supports paged memory management, facilitating efficient multitasking and resource sharing in complex applications. Its integrated DMA controller and interrupt controller allow for superior handling of peripheral devices, making it ideal for real-time processing requirements.

On the other hand, the 80L188EA and 80L186EA are low-power variants optimized for battery-operated designs. These microprocessors are tailored for applications where power consumption is critical. The 80L188EA retains the essential features of the 80C188EA but operates at lower voltage levels, thus allowing for longer operational life in portable devices. The 80L186EA similarly benefits from reduced power consumption, taking advantage of its energy-efficient design to enhance durability in industrial automation scenarios.

All four processors leverage Intel's established x86 architecture, enabling a wide range of software compatibility. Their built-in support for real-time interrupt handling and I/O operations provides developers with valuable tools for building reliable embedded systems. Additionally, they feature on-chip oscillators and timers, further streamlining design requirements and reducing the need for external components.

Overall, the Intel 80C188EA, 80C186EA, 80L188EA, and 80L186EA processors are ideal for diverse applications in embedded systems. Their blend of processing power, energy efficiency, and versatility continues to influence the design of modern electronic devices, underscoring Intel's pivotal role in advancing microprocessor technology.