參數(shù)資料
型號(hào): XRT83SL30IV
廠商: EXAR CORP
元件分類(lèi): 數(shù)字傳輸電路
英文描述: SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
中文描述: DATACOM, PCM TRANSCEIVER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-64
文件頁(yè)數(shù): 13/76頁(yè)
文件大小: 376K
代理商: XRT83SL30IV
á
XRT83SL30
SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
PRELIMINARY
REV. P1.0.4
10
CLKSEL2
CLKSEL1
CLKSEL0
17
18
19
I
Clock Select input for Master Clock Synthesizer pin 2
Clock Select input for Master Clock Synthesizer pin 1
Clock Select input for Master Clock Synthesizer pin 0
In
Hardware Mode
, CLKSEL[2:0] are input signals to a programmable fre-
quency synthesizer that can be used to generate a master clock from an
external accurate clock source according to the following table. The
MCLKRATE control signal is generated from the state of EQC[4:0] inputs.
See Table 5 for description of Transmit Equalizer Control bits.
In
Host Mode
, the state of these pins are ignored and the master frequency
PLL is controlled by the corresponding interface bits.
N
OTE
:
Internally pulled "Low" with a 50k
resistor.
S
IGNAL
N
AME
P
IN
#
T
YPE
D
ESCRIPTION
2048
2048
2048
1544
MCLKE1
(kHz)
8
16
16
56
8
56
64
64
128
256
256
128
2048
2048
1544
1544
MCLKT1
(kHz)
1544
X
X
X
1544
X
X
X
X
X
X
X
2048
1544
2048
CLKOUT
(KHz)
1544
2048
1544
2048
1544
2048
1544
2048
1544
2048
1544
2048
1544
0
0
1
1
CLKSEL0
0
1
1
0
0
0
1
1
0
1
1
0
0
0
0
0
CLKSEL1
1
1
1
0
1
0
0
0
1
1
1
1
0
0
0
0
CLKSEL2
0
0
0
1
0
1
1
1
1
1
1
1
0
1
0
0
0
0
1544
2048
X
X
2048
1544
0
1
0
1
MCLKRATE
1
0
1
0
0
1
0
1
1
0
1
0
0
1
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