PEB2055 Просмотр технического описания (PDF) - Siemens AG

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PEB2055

Extended PCM Interface Controller EPIC®-1, EPIC®-S

Siemens AG 

PEB 2055

PEF 2055

Overview

1.3 Pin Definitions and Functions (cont’d)

Pin No. Symbol Input (I) Function

EPIC-S EPIC

Output (O)

40 40 DD0/SIP0 O/IO (OD) Data Downstream Output, IOM or PCM

41 41 DD1/SIP1 O/IO (OD) configuration.

-

42 * DD2/SIP2 O/IO (OD) Serial Interface Port, SLD configuration.

-

43 * DD3/SIP3 O/IO (OD) Depending on the bit OMDR:COS these lines

have push pull or open drain characteristic.

For unassigned channels or when bit

OMDR:CSB is reset the pins are in the high

impedance state.

* Note: EPIC-1 only

2

2

A0

I/O

7

7

A1

18 18 A2

39 39 A3

Address bus in the demultiplexed µP interface

mode.

1

1

VDD

I

27

27 VSS

I

Supply voltage: 5 V ± 5%

Ground: 0 V

Semiconductor Group

13

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