HFC-U Cologne Chip AG, HFC-U Datasheet - Page 7

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HFC-U

Manufacturer Part Number

HFC-U

Description

Isdn HDLC Basic Rate Controller

Manufacturer

Cologne Chip AG

Datasheet

1.HFC-U.pdf (43 pages)

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Download datasheet (557Kb)

2

Figure 2: Pin Connection

2.1

March 1997

Pin No.

10

11

12

13

14

1

2

3

4

5

6

7

8

9

u)

Pin description

ISA-PC bus and microprocessor interface

internal pull up

IIOSEL0

IIOSEL1

IIOSEL2

IIOSEL3

SA0

SA1

SA2

SA3

SA4

SA5

SA6

SA7

SA8

SA9

Pin Name

Tristate

Output

Input

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

u)

u)

u)

u)

all

all

all

all

all

all

all

all

all

all

all

all

1

2,3,4

1

2,3,4

Mode Function

Mode/initial I/O address select

bit 0

bit 1

bit 2

bit 3

Regsiter/ISA-PC address bus

Address bit 0

Address bit 1

Address bit 2

Address bit 3

Address bit 4

Address bit 5

Address bit 6

Address bit 7

Address bit 8

must be connected to GND or VDD

Address bit 9

must be connected to GND or VDD

HFC-U

7 of 43

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