Intel 80L186EA, 80L188EA, 80C188EA Plcc Package Location with Pin Names, Lead Plcc Pinout Diagram

Page 16
Name
S0
S1
S2 ARDY CLKOUT RESOUT OSCOUT CLKIN
VSS ALE/QS0
RD/QSMD
WR/QS1 BHE (RFSH) A19/S6 A18
A17
A16
272432 – 5

80C186EA/80C188EA, 80L186EA/80L188EA

Table 5. PLCC Package Location with Pin Names

Location

Name

 

Location

 

Name

 

Location

 

Name

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

AD15 (A15)

 

18

 

DRQ0

 

35

 

MCS3/NCS

2

AD7

 

19

 

DRQ1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

 

MCS2

3

AD14 (A14)

 

20

 

T0IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

37

 

MCS1/ERROR

4

AD6

 

21

 

T1IN

 

 

 

 

 

 

 

 

 

 

 

 

38

 

MCS0/PEREQ

5

AD13 (A13)

 

22

 

T0OUT

 

 

 

 

 

 

 

 

 

 

 

39

 

DEN

6

AD5

 

23

 

T1OUT

 

40

 

PDTMR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

AD12 (A12)

 

24

 

RESIN

 

41

 

INT3/INTA1/

8

AD4

 

 

 

 

 

 

 

 

 

 

 

IRQ

 

25

 

PCS0

 

 

 

9

VCC

 

 

 

 

 

 

 

 

 

 

 

 

26

 

VSS

 

 

42

 

INT2/INTA0

10

AD11 (A11)

 

27

 

PCS1

 

 

43

 

VCC

11

AD3

 

28

 

PCS2

 

44

 

INT1/SELECT

12

AD10 (A10)

 

 

 

 

 

 

 

 

45

 

INT0

 

29

 

PCS3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

AD2

 

30

 

PCS4

 

46

 

NMI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

AD9 (A9)

 

31

 

PCS5/A1

 

47

 

TEST/BUSY

15

AD1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

PCS6/A2

 

48

 

LOCK

16

AD8 (A8)

 

 

 

 

 

 

 

49

 

SRDY

 

33

 

LCS

 

 

17

AD0

 

 

 

 

 

 

50

 

HOLD

 

34

 

UCS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51

 

HLDA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE:

Pin names in parentheses apply to the 80C186EA/80L188EA.

Location

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

NOTES:

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 5. 68-Lead PLCC Pinout Diagram

16

16

Image 16
Contents BIT HIGH-INTEGRATION Embedded Processors Contentspage C186EA/80C188EA Block Diagram Introduction 80C186EA Core ArchitectureBus Interface Unit Clock GeneratorTimer/Counter Unit 80C186EA Peripheral ArchitectureInterrupt Control Unit Crystal Connection Clock ConnectionPeripheral Control Block Registers Power Management DMA Control UnitChip-Select Unit Refresh Control UnitDifferences Between the 80C186XL and the 80C186EA Package Information Pin DescriptionsPlcc QFP EiajRWH Clkin OscoutResin ResoutALE/QS0 BHERfsh RD/QSMDWR/QS1 ArdySrdy DENMCS1/ERROR MCS0/PEREQMCS2 MCS3/NCS80C186EA Pinout AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7Lead Plcc Pinout Diagram Plcc Package Location with Pin NamesQFP Eiaj Pin Names with Package Location Quad Flat Pack Eiaj Pinout Diagram QFP Eiaj Package Location with Pin NamesSqfp Pin Functions with Package Location Sqfp Pin Locations with Pin NamesHlda Hold Srdy Lock TEST/BUSY NMI INT0 INT1/SELECT UCS LCS PCS6/A2 PCS5/A1 PCS4 PCS3 PCS2 PCS1400 600 800 1000 CA Plcc Package Thermal SpecificationsCA QFP 60.5 CA Sqfp Electrical Specifications Voltage on Other Pins with RespectAbsolute Maximum Ratings Recommended ConnectionsDC Specifications 80C186EA/80C188EA RD/QSMD, UCS, LCS, MCS0/PEREQDC Specifications 80L186EA/80L188EA RD/QSMD, UCS, LCS, MCS0Power e V c I e V2 c Cdev c f ICC e Iccs e V c Cdev c f Pdtmr PIN Delay CalculationAnd/or higher temperature will increase delay time ICC Versus Frequency and VoltageAC Specifications AC Characteristics-80C186EA25/80C186EA20/80C186EA13HOLD, PEREQ, Error Synchronous InputsTEST, NMI, INT30 T10IN, Ardy SRDY, DRQ10AC Characteristics-80L186EA13/80L186EA8 ALE, LockMCS30, LCS, UCS LOCK, RESOUT, Hlda T0OUT, T1OUTTEST, NMI, INT30, T10IN, Ardy AD150 AD70, ARDY, SRDY, DRQ10Relative Timings AC Test Conditions AC Timing WaveformsOutput Delay and Float Waveform Relative Signal Waveform Reset Derating CurvesPowerup Reset Waveforms Warm Reset Waveforms BUS Cycle Waveforms Read, Fetch and Refresh Cycle WaveformWrite Cycle Waveform Halt Cycle Waveform Inta Cycle Waveform HOLD/HLDA Waveform Dram Refresh Cycle During Hold Acknowledge Ready Waveform 80C186EA/80C188EA Execution Timings Instruction SET Summary Data TransferInstruction SET Summary ArithmeticLogic String Manipulation Within seg adding immed to SP 100 SP 010 DX 010 DL101 BP 101 CH 110 SI 110 DH 111 DI 111 BH Revision History Errata

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.