RS8234 Mindspeed Technologies, RS8234 Datasheet - Page 273

• Manufacturer Part Number: RS8234
• Description: Atm Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

RS8234
ATM ServiceSAR Plus with xBR Traffic Management
Table 12-2. UTOPIA Mode Signals
28234-DSH-001-B
Table 12-3. Slave UTOPIA Mode Interface Signals
RXCLAV(aka RXFLAG)*
TXCLAV(aka TXFLAG)*
RXSOC (aka RXMARK)
RXCLAV(aka RXFLAG)*
TXCLAV(aka TXFLAG)*
TxSOC (aka TXMARK)
RXSOC (aka RXMARK)
RXCLK (aka FRCTRL)
TxSOC (aka TXMARK)
RXCLK (aka FRCTRL)
RS8234 Signal
RS8234 Signal
TXD[7:0]
RXD[7:0]
RXD[7:0]
TXD[7:0]
RXPAR
RXEN*
TXPAR
TXEN*
RXPAR
RXEN*
TXPAR
TXEN*
actual signals generated or received by the framer in UTOPIA mode are shown in
Table
derived from the CLKD3 output of the RS8234, which must also be connected to
the FRCTRL input. The symbol * indicates active low.The interpretation of the
ATM physical interface pins on the RS8234 and the actual signals generated or
received by the framer in slave UTOPIA mode is shown in
symbol * indicates active low.
The interpretation of the ATM physical interface pins on the RS8234, and the
12-2. Both the TxClk and RxClk signals of the UTOPIA interface can be
PHY Signal
RxData[7:0]
TxData[7:0]
RxClk/TxClk
PHY Signal
RxData[7:0]
RxClk/TxClk
TxData[7:0]
TxEmp*
RxEnb*
TxEnb*
RxFull*
RxEmpty*
RxSOC
TxSOC
RxPrty
TxPrty
RxEnb*
Mindspeed Technologies
TxEnb*
TxFull*
RxSOC
TxSOC
RxPrty
TxPrty
Active Polarity
Active Polarity
Rising Edge
Rising Edge
High
High
Low
Low
Low
Low
—
—
—
—
High
High
Low
Low
Low
Low
—
—
—
—
™
12.0 ATM Utopia Interface
12.3 ATM Physical I/O Pins
Table
RS8234 Direction
RS8234 Direction
12-3. The
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
In
In
In
In
In
In
In
In
In
In
In
In
12-3