Q67100-H8395 データシートの表示（PDF） - Siemens AG

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Q67100-H8395

S/T Bus Interface Circuit (SBC)

Siemens AG 

Features

1.1 Pin Definitions and Functions

Pin No.

P-LCC

Pin No. Symbol Input (I) Function

P-DIP

Output (O)

3

2

SX1

O

Positive output S-bus transmitter

4

3

SX2

O

Negative output S-bus transmitter

7

5

SDO

O

Serial Data Out, IOM interface

10

8

SDI

I

Serial Data In, IOM interface

8

6

DCL

I/O

Serial Data Clock, IOM interface

9

7

FSC

I/O

Frame sync, IOM interface

16

12

M2

I

5

4

M1

I

20

15

M0

I

Setting of operation mode

14

11

X3

I

11

9

X2

I/O

19

14

X1

I/O

17

13

X0

I/O

Functions depending on the selected operating

mode see chapter 2.2

21

16

CP

I/O

Clock Pulse/special purpose

24

19

XTAL1 I

Connection for external crystal, or input for

external clock generator

23

18

XTAL2 O

Connection for external crystal, n.c. when

external clock generator is used

26

20

SR2

I

S-bus receiver, signal input

27

21

SR1

O

S-bus receiver, 2.5 V reference output

2

1

VDD

I

Power supply, + 5 V ± 5 %

22

17

VSS

I

Power supply, ground

13

10

RST

I

Reset, active low

6

-

X4

I

External filter connection, active low

28

-

UFI

O

Opamp output for external filter

25

-

15

-

18

-

1

-

AUX

I

-

N.C.

-

-

Auxiliary input: VDD or VSS to be applied

not connected

Semiconductor Group

8

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