PSB21911 데이터 시트보기 (PDF) - Siemens AG

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PSB21911

ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE

Siemens AG 

PSB 21911

PSF 21911

Pin Definitions and Functions

Pin No.

Symbol

I/O Function

P-LCC-44 T-QFP64 Stand- µP

alone mode

42

3

PCD2

I/O Data Bus 2 of Power Controller

(PU) Interface

Internal pull-up.

AD2

I/O Address/Data Bus Pin

(Multiplexed mode)

D2

I/O Data Bus Pin

(Demultiplexed modes)

not used I (Serial mode) tie to GND.

39

62

PCA0

O Address bus 0 of Power Controller

Interface.

D5

I/O Data Bus Pin

(Demultiplexed modes)

AD5

I/O Address Data Bus Pin

(Multiplexed mode)

not used I (Serial mode) tie to GND.

38

61

PCA1

O Address bus 1 of Power Controller

Interface

D6

I/O Data Bus Pin

(Demultiplexed modes)

AD6

I/O Address Data Bus Pin

(Multiplexed mode)

not used I (Serial mode) tie to GND.

41

2

PCRD

O Power Controller Bus Read Request

Low active.

D3

I/O Data Bus Pin

(Demultiplexed modes)

AD3

I/O Address/Data Bus Pin

(Multiplexed mode)

not used I (Serial mode) tie to GND.

Semiconductor Group

16

11.97

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