參數(shù)資料
型號: XRT79L73
廠商: Exar Corporation
英文描述: 3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
中文描述: 3 -通道DS3/E3自動柜員機(jī)用戶到網(wǎng)絡(luò)接口/ Combo IC對購買力平價(jià)
文件頁數(shù): 56/71頁
文件大?。?/td> 495K
代理商: XRT79L73
XRT79L73
REV. P1.0.0
PRELIMINARY
3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
t
54
TRANSMIT UTOPIA INTERFACE
The purpose of the Transmit UTOPIA Interface block is to function as either a Standard UTOPIA Level 1, 2 or
3 Interface as it accepts ATM cell data from either an ATM Layer or ATM Adaptation Layer Processor, and
routes this ATM cell data to the TxFIFO within the XRT79L73.
F
IGURE
10. T
IMING
D
IAGRAM FOR THE
T
RANSMIT
UTOPIA I
NTERFACE
B
LOCK
T
ABLE
8: T
IMING
I
NFORMATION FOR THE
T
RANSMIT
UTOPIA I
NTERFACE
B
LOCK
S
YMBOL
P
ARAMETER
M
IN
.
T
YP
M
AX
.
U
NITS
t1
TxUData[15:0] to rising edge of TxUClk Setup Time
4
ns
t2
TxUData[15:0] Hold Time from rising edge of TxUClk
1
ns
t3
TxUTOPIA Write Enable Setup Time to rising edge of TxUClk
4
ns
t4
TxUTOPIA Write Enable Hold Time from rising edge of TxUClk
1
ns
t5
TxUPrty Setup Time to rising edge of TxUClk
4
ns
t6
TxUPrty Hold Time from rising edge of TxUClk
1
ns
t7
TxUSoC Setup Time to rising edge of TxUClk
4
ns
t8
TxUSoC Hold Time from rising edge of TxUClk
1
ns
t9
TxUAddr[4:0] Setup Time to rising edge of TxUClk
4
ns
t10
TxUAddr[4:0] Hold Time from rising edge of TxUClk
1
ns
TxUData[15:0]
TxUEn*
TxUPrty
TxUSoC
TxUClk
t1
t3
t2
t5
t7
t6
t8
t4
TxUClav
t11
t12
VALID DATA
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