Connector Descriptions

The following

shows

the

78-pin and 25-pin, D-shell, male connectors on the optional 8-Port D

Attach cable

and

the

Multiport Interface cable.

Table 4-1 and Table 4-2 show the pin assignments for

the

78-pin

connector on the 8-port

corresponding

pin

assignments for

the 25-pin

connectors

on

the

cable or breakout box.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table

4-1. RS-232

D-Shell

Connector

Pin

Assignment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

78-Pin

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal

Name

 

0

 

1

 

2

 

3

 

4

 

5

6

7

 

 

25-Pin

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TXD

 

 

40

 

04

 

66

 

69

 

73

 

55

76

58

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RXD

 

 

02

 

64

 

28

 

31

 

54

 

75

57

78

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTS

 

 

01

 

63

 

27

 

30

 

34

 

16

37

19

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTS

 

 

61

 

25

 

48

 

51

 

15

 

36

18

39

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSR

 

 

42

 

06

 

68

 

71

 

72

 

33

53

14

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

07

 

08

 

11

 

43

 

67

 

70

67

70

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CD

 

 

22

 

45

 

09

 

12

 

74

 

56

77

59

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTR

 

 

60

 

24

 

47

 

50

 

35

 

17

38

20

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RI

 

 

30

 

65

 

29

 

32

 

49

 

52

10

13

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TX

CLK

IN

23

 

46

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TX

CLK

OUT

41

 

05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RX

CLK

IN

62

 

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRS

 

 

21

 

44

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table

4-2. RS-485

D-Shell

Connector

Pin

Assignment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

78-Pin

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal

Name

 

0

 

1

 

2

 

3

 

4

 

5

6

7

 

 

25-Pin

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TXDA

 

 

01

 

63

 

27

 

30

 

34

 

16

37

19

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TXDB

 

40

 

04

 

66

 

69

 

73

 

55

76

58

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RXDA

 

61

 

25

 

48

 

51

 

15

 

36

18

39

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RXDB

 

02

 

64

 

28

 

31

 

54

 

75

57

78

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

07

 

08

 

11

 

43

 

67

 

70

67

70

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cables and Connectors4-3

Page 31
Image 31
IBM ARTIC186 manual Connector Descriptions, RS-485 Shell Connector Pin Assignment

ARTIC186 specifications

The IBM ARTIC186 is a highly regarded microprocessor that emerged in the late 1980s, primarily targeting embedded systems and industrial applications. This device represents a significant evolution in the family of x86 architecture processors. The ARTIC186 is based on the Intel 80186 design but features enhancements and optimizations that reflect IBM's commitment to reliability and performance.

One of the defining characteristics of the ARTIC186 is its integrated architecture. Unlike its predecessors, which required separate components for basic functions, the ARTIC186 includes features like memory management and interrupt controllers directly on the chip. This integration reduces the overall system size and complexity, making it particularly suited for compact and cost-sensitive applications.

The ARTIC186 operates at clock speeds ranging from 6 to 25 MHz, providing a solid balance between speed and power consumption. It supports a 16-bit data bus and a 20-bit address bus, allowing it to access up to 1 MB of memory. This capacity was substantial for its time, facilitating the execution of more complex applications that were previously challenging to implement in embedded systems.

Another notable feature of the ARTIC186 is its compatibility with existing 8086 and 80286 software, making it easier for developers to transition their applications to use this newer architecture without needing extensive rewrites. Its support for real-mode and protected-mode operations allows it to cater to a wide range of applications, from simple control systems to more sophisticated embedded solutions.

In terms of power management, the ARTIC186 was designed with energy efficiency in mind. It employs various techniques to minimize power usage during idle states, which is crucial for battery-operated devices or systems that need to conserve energy.

Additionally, the IBM ARTIC186 incorporates robust input/output capabilities, which facilitate seamless communication with peripheral devices. It includes multiple programmable interrupt controllers and timers, enriching its ability to handle real-time processing tasks.

Overall, the IBM ARTIC186 microprocessor stands out as a versatile and powerful component suited for many embedded applications. Its integration, compatibility, and performance characteristics have allowed it to make a lasting impact in various industries, where efficiency and reliability are paramount. As technology has advanced, the principles established by the ARTIC186 continue to influence modern embedded processor designs, underscoring its importance in the evolution of computing technology.