Intel 80C188EA, 80L186EA, 80L188EA, 80C186EA specifications Logic

Page 46

80C186EA/80C188EA, 80L186EA/80L188EA

INSTRUCTION SET SUMMARY (Continued)

 

 

 

 

 

 

 

80C186EA

80C188EA

 

Function

 

 

Format

 

Clock

Clock

Comments

 

 

 

 

 

 

 

Cycles

Cycles

 

ARITHMETIC (Continued)

 

 

 

 

 

 

 

 

IMUL e Integer multiply (signed):

 

1 1 1 1 0 1 1 w

mod 1 0 1 r/m

 

 

 

 

 

Register-Byte

 

 

 

 

 

25 – 28

25 – 28

 

Register-Word

 

 

 

 

 

34 – 37

34 – 37

 

Memory-Byte

 

 

 

 

 

31 – 34

32 – 34

 

Memory-Word

 

 

 

 

 

40 – 43

40 – 43*

 

 

 

 

 

 

 

 

 

 

IMUL e Integer Immediate multiply

 

0 1 1 0 1 0 s 1

mod reg r/m

data

data if se0

22 – 25

22-25

 

(signed)

 

 

 

 

 

 

29 – 32

29 – 32

 

 

 

 

 

 

 

 

 

DIV e Divide (unsigned):

 

1 1 1 1 0 1 1 w

mod 1 1 0 r/m

 

 

 

 

 

Register-Byte

 

 

 

 

 

29

29

 

Register-Word

 

 

 

 

 

38

38

 

Memory-Byte

 

 

 

 

 

35

35

 

Memory-Word

 

 

 

 

 

44

44*

 

IDIV e Integer divide (signed):

 

1 1 1 1 0 1 1 w

mod 1 1 1 r/m

 

 

 

 

 

Register-Byte

 

 

 

 

 

44 – 52

44 – 52

 

Register-Word

 

 

 

 

 

53 – 61

53 – 61

 

Memory-Byte

 

 

 

 

 

50 – 58

50 – 58

 

Memory-Word

 

 

 

 

 

59 – 67

59 – 67*

 

AAM e ASCII adjust for multiply

 

1 1 0 1 0 1 0 0

0 0 0 0 1 0 1 0

 

 

19

19

 

 

 

 

 

 

 

 

 

AAD e ASCII adjust for divide

 

1 1 0 1 0 1 0 1

0 0 0 0 1 0 1 0

 

 

15

15

 

 

 

 

 

 

 

 

 

 

CBW e Convert byte to word

 

1 0 0 1 1 0 0 0

 

 

 

 

2

2

 

 

 

 

 

 

 

 

 

 

CWD e Convert word to double word

 

1 0 0 1 1 0 0 1

 

 

 

 

4

4

 

LOGIC

 

 

 

 

 

 

 

 

Shift/Rotate Instructions:

 

 

 

 

 

 

 

 

Register/Memory by 1

 

1 1 0 1 0 0 0 w

mod TTT r/m

 

 

2/15

2/15

 

 

 

 

 

 

5an/17an

5an/17an

 

Register/Memory by CL

 

1 1 0 1 0 0 1 w

mod TTT r/m

 

 

 

 

 

 

 

 

 

 

 

 

 

Register/Memory by Count

 

1 1 0 0 0 0 0 w

mod TTT r/m

count

 

5an/17an

5an/17an

 

 

 

 

TTT Instruction

 

 

 

 

 

 

 

 

0 0 0

ROL

 

 

 

 

 

 

 

 

0 0 1

ROR

 

 

 

 

 

 

 

 

0 1 0

RCL

 

 

 

 

 

 

 

 

0 1 1

RCR

 

 

 

 

 

 

 

 

1 0 0

SHL/SAL

 

 

 

 

 

 

 

 

1 0 1

SHR

 

 

 

 

 

 

 

 

1 1 1

SAR

 

 

 

 

 

AND e And:

 

 

 

 

 

 

 

 

Reg/memory and register to either

 

0 0 1 0 0 0 d w

mod reg r/m

 

 

3/10

3/10*

 

 

 

 

 

 

 

4/16*

 

Immediate to register/memory

 

1 0 0 0 0 0 0 w

mod 1 0 0 r/m

data

data if we1

4/16

 

Immediate to accumulator

 

0 0 1 0 0 1 0 w

 

data

data if we1

 

3/4

3/4*

8/16-bit

TESTeAnd function to flags, no result:

 

 

 

 

 

 

 

 

Register/memory and register

 

1 0 0 0 0 1 0 w

mod reg r/m

 

 

3/10

3/10*

 

 

 

 

 

 

 

4/10*

 

Immediate data and register/memory

 

1 1 1 1 0 1 1 w

mod 0 0 0 r/m

data

data if we1

4/10

 

 

 

 

 

 

 

 

 

 

Immediate data and accumulator

 

1 0 1 0 1 0 0 w

 

data

data if we1

 

3/4

3/4

8/16-bit

OReOr:

 

 

 

 

 

 

 

 

Reg/memory and register to either

 

0 0 0 0 1 0 d w

mod reg r/m

 

 

3/10

3/10*

 

 

 

 

 

 

 

4/16*

 

Immediate to register/memory

 

1 0 0 0 0 0 0 w

mod 0 0 1 r/m

data

data if we1

4/16

 

Immediate to accumulator

0 0 0 0 1 1 0 w

data

data if we1

3/4

3/4*

8/16-bit

Shaded areas indicate instructions not available in 8086/8088 microsystems.

NOTE:

*Clock cycles shown for byte transfers. For word operations, add 4 clock cycles for all memory transfers.

46

46

Page 45 Page 47
Image 46
Page 45 Page 47
Contents BIT HIGH-INTEGRATION Embedded Processors Contentspage C186EA/80C188EA Block Diagram Bus Interface Unit Introduction80C186EA Core Architecture Clock GeneratorInterrupt Control Unit Timer/Counter Unit80C186EA Peripheral Architecture Crystal Connection Clock ConnectionPeripheral Control Block Registers Chip-Select Unit Power ManagementDMA Control Unit Refresh Control UnitDifferences Between the 80C186XL and the 80C186EA Plcc Package InformationPin Descriptions QFP EiajRWH Resin ClkinOscout ResoutRfsh ALE/QS0BHE RD/QSMDSrdy WR/QS1Ardy DENMCS2 MCS1/ERRORMCS0/PEREQ 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 NamesHlda Hold Srdy Lock TEST/BUSY NMI INT0 INT1/SELECT Sqfp Pin Functions with Package LocationSqfp Pin Locations with Pin Names UCS LCS PCS6/A2 PCS5/A1 PCS4 PCS3 PCS2 PCS1400 600 800 1000 CA Plcc Package Thermal SpecificationsCA QFP 60.5 CA Sqfp Absolute Maximum Ratings Electrical SpecificationsVoltage on Other Pins with Respect Recommended ConnectionsDC Specifications 80C186EA/80C188EA RD/QSMD, UCS, LCS, MCS0/PEREQDC Specifications 80L186EA/80L188EA RD/QSMD, UCS, LCS, MCS0And/or higher temperature will increase delay time Power e V c I e V2 c Cdev c f ICC e Iccs e V c Cdev c fPdtmr PIN Delay Calculation ICC Versus Frequency and VoltageAC Specifications AC Characteristics-80C186EA25/80C186EA20/80C186EA13TEST, NMI, INT30 T10IN, Ardy HOLD, PEREQ, ErrorSynchronous Inputs SRDY, DRQ10MCS30, LCS, UCS AC Characteristics-80L186EA13/80L186EA8ALE, Lock 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.
Top Page Image Contents