CHAPTER 2 GETTING STARTED

This chapter describes the Intel 186 EC/EB Evaluation Board kit, and provides setup instructions. Figure 2-1 shows the 80x186 EB Evaluation Board layout, and Figure 2-2 shows the EC board layout. Refer to these figures when you are following the instructions in this chapter for setting up your evaluation board.

 

C32

 

 

 

J2

 

 

 

 

 

 

 

 

 

C12

 

 

 

 

 

 

 

 

 

 

 

 

 

J1

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V GND

 

 

5V/3V Select

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C22

R9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C33

 

 

 

 

 

 

 

 

 

 

E1

 

 

 

 

 

 

 

 

 

C5

 

 

 

 

 

 

P1

 

 

C26

 

 

 

 

 

 

 

 

A B C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C31

 

 

 

C25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U11 R10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D3

 

 

 

 

 

 

 

 

U7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PC

 

 

 

 

 

R11

 

 

 

 

 

 

 

C21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R3

Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

TP7

C27

 

 

 

 

 

 

 

D2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2

 

 

 

 

 

U13

 

 

 

 

 

 

 

 

U8

 

 

 

 

 

 

 

 

 

 

C7

 

 

 

 

 

 

DCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80X186EB

 

 

 

 

C29

 

 

 

 

 

 

 

 

C13

 

 

 

 

 

 

 

 

C8

 

 

 

 

 

 

C3

Connector

 

EVAL 3V / 5V

 

 

 

 

 

 

 

 

 

 

 

 

 

PROT

E2 D E3 D WRT

 

 

 

 

 

 

 

 

C6

 

 

 

 

TP6 GND

 

TP1 TP2 TP3

U14

 

 

 

U12

 

 

 

 

U6

 

 

 

A B C A B C

 

 

 

 

R6

 

 

C9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C34

 

C24 C23

C14

 

 

U4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP4 TP5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PP SELECT

 

R7

 

 

 

 

 

 

 

 

 

 

 

 

C4

 

JP2

 

 

 

 

 

 

 

 

 

 

 

 

U9

 

 

C11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S1

VCC

 

 

 

186/188

 

 

FLASH

 

 

C15

 

 

 

 

 

 

 

 

 

 

 

 

 

R4

 

T1OUT

T0IN

 

 

 

SELECT

 

 

PWRDN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T0OUT

T1IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E3

 

 

 

E4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P2.2

INT0

 

 

 

A B C

 

 

A B C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P2.3

INT1

 

 

C30

 

 

 

 

 

U10

 

 

 

 

 

 

C16

 

 

 

 

C10

 

 

 

 

 

R5

Q1

 

 

BCLK0

INT2

 

 

 

 

 

 

 

R8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P2.6

INT3

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

P2.7

INT4

 

 

R12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V

GCS6#

 

 

R13

 

 

 

 

 

 

 

 

 

C17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+12V

GCS7#

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C19

C18

 

Y1

U5

 

 

 

 

U3

 

 

 

 

 

 

 

 

 

RP1

 

 

 

 

RESOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U1

C1

GND

 

 

 

DT-R# GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP8

 

 

DEN#

BHE#

LA19 RD# WR#

LA18

LA17

LA16

GND

LA15

LA14

LA13

LA12

LA11

LA10

LA9

LA8

LA7 GND

LA6

LA5

LA3 LA4

LA2

LA1

LA0

V

 

 

 

 

 

CC

JP1

 

 

 

 

 

 

 

CLKOUT GND

+5V

+12V

GCS5#

ALE LOCK# NMI

READY

HOLD

HLDA

GND

AD15

AD14

AD13

AD12

AD11

AD10

AD9

AD8

AD7 GND

AD6

AD5

AD3 AD4

AD2

AD1

AD0

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A5289-01

Figure 2-1. Intel 186 EB Evaluation Board Layout

2

2-1

Page 17
Image 17
Intel 80L186EB, 80L188EC, 80L186EC, 80C186EB, 80C188EB, 80L188EB, 80C188EC, 80C186EC user manual Getting Started

80L188EB, 80C188EC, 80C188EB, 80L186EB, 80C186EB specifications

The Intel 80L188EC, 80C186EC, 80L186EC, 80C186EB, and 80L186EB microprocessors represent a significant evolution in Intel's 16-bit architecture, serving various applications in embedded systems and computing during the late 1980s and early 1990s. These microprocessors are designed to offer a blend of performance, efficiency, and versatility, making them suitable for a range of environments, including industrial control, telecommunications, and personal computing.

The Intel 80L188EC is a member of the 186 family, notable for its low-power consumption and integrated support for a range of peripheral devices. It operates at clock speeds of up to 10 MHz and features a 16-bit architecture, providing a balance of processing power and energy efficiency. The 80C186EC, on the other hand, is a more advanced version, offering enhanced performance metrics with faster clock speeds and improved processing capabilities, making it ideal for applications that require more computational power.

The 80L186EC shares similarities with the 80L188EC but is enhanced further for various low-power applications, especially where battery life is crucial. With a maximum clock speed of 16 MHz, it excels in scenarios demanding energy-efficient processing without sacrificing performance.

In contrast, the 80C186EB and 80L186EB are optimized versions that bring additional features to the table. The 80C186EB operates at higher clock speeds, coupled with an extended instruction set, enabling it to handle more complex tasks and run sophisticated software. These enhancements allow it to serve well in environments that require reliable performance under load, such as data acquisition systems or advanced control systems.

The 80L186EB is tailored for specific low-power scenarios, integrating Intel's sophisticated low-power technologies without compromising on speed. Utilizing advanced process technologies, these chips benefit from reduced heat output and extended operating life, a significant advantage in embedded applications.

Overall, these microprocessors showcase Intel's commitment to innovation in 16-bit processing, marked by their varying capabilities and power profiles tailored to meet the demands of diverse applications, from industrial systems to consumer electronics. Their legacy continues to influence subsequent generations of microprocessor designs, emphasizing performance, energy efficiency, and versatile applications in computing technology. As such, the Intel 80C186 and 80L188 families play a crucial role in understanding the evolution of microprocessor technology.