PXB4340E Datasheet, PDF(145/185 Page) Infineon Technologies AG – ICs for Communications

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PXB4340E Datasheet, PDF (145/185 Pages) Infineon Technologies AG – ICs for Communications

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Pin Definitions and Functions

3LQ 1R

6\PERO

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2XWSXW 2

8WRSLD,QWHUIDFH WUDQVPLW XSVWUHDP VODYH SLQV

AD18, AF19, TXDATU

O

AE19, AF18, (15:0)

AD17, AE18,

AC17, AF17,

AD16, AE17,

AC15, AF16,

AD15, AE16,

AF15, AD14

AE23, AD21, TXADRU

I

AF22, AE21 2) (3:0)

AE15

TXPRTYU O

AD23, AE24, TXENBU

I

AD22, AF23 1) (3:0)

AD19, AF20, TXCLAVU O

AC19, AE20 (3:0)

AD13

TXSOCU O

Transmit data bus to ATM side.

Address from ATM side.

Odd parity of RXDATU(15:0) to ATM side.

Enable signal from ATM side.

Cell available signal to ATM side.

Start of cell signal to ATM side.

0LFURSURFHVVRU ,QWHUIDFH SLQV

E2, E4, E3, MPDAT

I/O

E1, F2, G4, (15:0)

F3, F1, G2,

G1, G3, H2,

J4, H1, H3, J2

C4, B3, C5, MPADR

I

A4, D5, B4, (7:0)

C6, A5

B1

MPWR

I

C2

MPRD

I

A3

MPCS

I

D1 3)

MPINT

O

D3

MPDREQ O

D2

MPRDY

O

C1

MPDACK I

Microprocessor data bus

Address from microprocessor

Write enable from microprocessor.

Read enable from microprocessor.

Chip select from microprocessor.

Interrupt request to microprocessor.

DMA request to microprocessor.

Ready output to microprocessor for read and

write accesses.

ÂµP DMA acknowledgment

Data Sheet

5-145

04.2000

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