AR-B1375/AR-B1376 User s Guide

3.2.4 FDD Port Connector (CN5)

The AR-B1375 and AR-B1376 provide a 34-pin header type connector for supporting up to two floppy disk drives.

 

 

 

1

 

 

 

2

 

Figure 3-9 CN5: FDD Port Connector

Pin

Signal

Pin

Signal

1-33(odd)

GROUND

18

DIRECTION

2

-REDUCED WRITE

20

-STEP OUTPUT PULSE

 

CURRENT

 

 

4

NOT USED

22

-WRITE DATA

6

NOT USED

24

-WRITE ENABLE

8

-INDEX

26

-TRACK 0

10

-MOTOR ENABLE A

28

-WRITE PROTECT

12

-DRIVE SELECT B

30

-READ DATA

14

-DRIVE SELECT A

32

-SIDE 1 SELECT

16

-MOTOR ENABLE B

34

DISK CHANGE

Table 3-1 FDD Pin Assignment

3.2.5 Parallel Port Connector (CN6)

To use the parallel port, an adapter cable has connected to the CN6 (26-pin header type) connector. This adapter cable is mounted on a bracket and is included in your AR-B1375 or AR-B1376 package. The connector for the parallel port is a 25 pin D-type female connector.

 

 

 

 

 

 

1

 

 

 

Parallel Port Connector

2

 

 

 

 

 

 

13

 

 

1

 

 

 

25

DB-25

14

 

 

 

 

 

 

 

 

 

D-Type Connector

 

 

Figure 3-10 CN6: Parallel Port Connector

CN6

DB-25

 

Signal

CN6

DB-25

Signal

1

1

 

-Strobe

2

14

-Auto Form Feed

3

2

 

Data 0

4

15

-Error

5

3

 

Data 1

6

16

-Initialize

7

4

 

Data 2

8

17

-Printer Select In

9

5

 

Data 3

10

18

Ground

11

6

 

Data 4

12

19

Ground

13

7

 

Data 5

14

20

Ground

15

8

 

Data 6

16

21

Ground

17

9

 

Data 7

18

22

Ground

19

10

-Acknowledge

20

23

Ground

21

11

 

Busy

22

24

Ground

23

12

 

Paper

24

25

Ground

25

13

Printer Select

26

--

No Connect

Table 3-1 Parallel Port Pin Assignment

3-6

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Image 24
Toshiba AR-B1376, AR-B1375, 386SX manual FDD Port Connector CN5, Parallel Port Connector CN6

386SX, AR-B1376, AR-B1375 specifications

The Toshiba AR-B1375 and AR-B1376 are notable embedded computing solutions that incorporate the 386SX microprocessor architecture. Designed for various applications, these models focus on reliability, performance, and versatility, making them appealing choices for system integrators and developers.

At the core of the AR-B1375 and AR-B1376 is the Intel 386SX microprocessor. This landmark processor marked a significant advancement in computing technology, introducing a 32-bit architecture while maintaining compatibility with 16-bit applications. The 386SX is known for its efficient processing capabilities, offering both multitasking support and enhanced memory management. It operates at clock speeds ranging typically from 16 MHz to 25 MHz, contributing to its effectiveness in running industrial applications.

One of the key features of the AR-B1375 and AR-B1376 systems is their modular architecture, which allows for easy customization and expansion. This modularity means users can tailor the hardware according to specific requirements, making it suitable for a wide range of applications such as automation, telecommunications, and embedded systems.

Both models support various I/O options, ensuring seamless integration with peripherals and external devices. They typically come equipped with serial and parallel ports, as well as support for modern interfaces like USB. The systems also feature onboard expansion slots, enabling the addition of further functionality, such as additional memory or specialized processing units.

In terms of memory, the AR-B1375 and AR-B1376 support a range of RAM configurations, allowing users to scale their systems based on the application demands. The inclusion of EPROM and EEPROM options also facilitates easy updates and programmability, which is crucial for embedded systems that often require firmware adjustments over time.

Moreover, these models are known for their robust thermal management features, which are essential in industrial environments where conditions can be harsh. This capability ensures stable performance and longevity, reducing the risk of system failures due to overheating or environmental factors.

To summarize, the Toshiba AR-B1375 and AR-B1376, coupled with the 386SX microprocessor, offer a blend of performance, flexibility, and reliability. Their modular design, extensive I/O support, and memory scalability make them ideal for a variety of embedded computing applications, placing them as commendable options in the world of industrial computing solutions. These systems not only exemplify Toshiba's commitment to innovation but also contribute significantly to the functionality of embedded technologies in a rapidly evolving industry.