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TNETA1585PCM Datasheet(PDF) 17 Page - Texas Instruments

Part No. TNETA1585PCM
Description  ATM TRAFFIC MANAGEMENT SCHEDULER DEVICE WITH RECEIVE UTOPIA AND COPROCESSOR INTERFACES
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TNETA1585PCM Datasheet(HTML) 17 Page - Texas Instruments

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TNETA1585
ATM TRAFFIC MANAGEMENT SCHEDULER DEVICE
WITH RECEIVE UTOPIA AND COPROCESSOR INTERFACES
SDNS041A – NOVEMBER 1996 – REVISED JULY 1998
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
receive-UTOPIA interface in ATM mode
The receive-UTOPIA interface on the TNETA1585 functions as the RX UTOPIA interface in an ATM device
when the TNETA1585 is operating in ATM mode.
This receive-cell interface works on the low-to-high transition of RXCLK to sample and generate signals.
TNETA1585
SIGNAL NAME
UTOPIA
SIGNAL NAME
RXCLK
RXCLK
RXDATA7–RXDATA0
RXDATA7–RXDATA0
RXSOC
RXSOC
RXCLAV
RXClav
RXEN
RXEnb
connecting the TNETA1585 to the UTOPIA bus in ATM mode (see Figure 3)
TNETA1500
TNETA1575
ATM mode
ATMCLK1 (82)
ATMCLK2 (64)
RESCLK (66)
RESDATA7–RESDATA0 (72–75, 77–80)
RXData
RESSOC (70)
RXSoc
RESEN (67)
RXClav
RESCLAV (69)
RXEnb
RESPAR (71)
RESPERR (81)
SEGCLK (95)
TXClk
SEGDATA7–SEGDATA0 (84–87, 89–92)
TXData
SEGSOC (97)
TXSoc
SEGEN (96)
TXClav
SEGCLAV (98)
TXEnb
SEGPAR (94)
PHY/ATM (83)
TNETA1585†
ATM mode
RXCLK (24)
RXDATA7–RXDATA0 (10, 12–13, 15–18, 20)
RXSOC (21)
RXCLAV (22)
RXEN (23)
CONFIG (9)
UTOPIA
Bus
RXData7–RXData0
RXSoc
RXClav
GND
GND
(64) TWE
(61) TXAF
(63) TXCELL
(68–71, 74–77) TD7–TD0
(65) TCKI
(119) RRE
(118) RXFE
(117) RXCELL
(92–95, 98–101) RD7–RD0
(120) RCKI
RXClk
CLOCK (26)
† Terminal numbers are for the
PCM package.
Figure 3. UTOPIA Bus Connections in ATM Mode


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