參數(shù)資料
型號(hào)： XRT83L314IB
廠商： EXAR CORP
元件分類(lèi)： 數(shù)字傳輸電路
英文描述： 14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
中文描述： DATACOM, PCM TRANSCEIVER, PBGA304
封裝： TBGA-304
文件頁(yè)數(shù)： 8/84頁(yè)
文件大?。?/td> 631K
代理商： XRT83L314IB
XRT83L314
14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.0
4
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
AA4
AB3
AC3
AA5
Y6
AB4
AC4
AB5
I/O
Bi-directional Data Bus
DATA[7:0] is a bi-directional data bus used for read and write operations.
μ
PTS2
μ
PTS1
μ
PTS0
AC23
AB22
AA21
I
Microprocessor Type Select Input
μ
PTS[2:0] are used to select the microprocessor type interface.
000 = Intel 68HC11, 8051, 80C188 (Asynchronous)
001 = Motorola 68K (Asynchronous)
111 = Motorola MPC8260, MPC860 Power PC (Synchronous)
Reset
B22
I
Hardware Reset Input
Active low signal. When this pin is pulled "Low" for more than 10μS, the inter-
nal registers are set to their default state. See the register description for the
default values.
N
OTE
:
Internally pulled "High" with a 50K
resistor.
CS5
CS4
CS3
CS2
CS1
B20
A21
C20
D19
B21
O
Chip Select Output
The XRT83L314 can be used to provide the necessary chip selects for up to 5
additional devices by using the 3 MSBs ADDR[10:8] from the 11-Bit address
bus. The LIU allows up to 84-channel applications with only using one chip
select. See the ADDR[10:0] definition in the pin description.
RECEIVER SECTION
N
AME
P
IN
T
YPE
D
ESCRIPTION
RxON
AB19
I
Receive On/Off Input
Upon power up, the receivers are powered off. Turning the receivers On or Off
can be selected through the microprocessor interface by programming the
appropriate channel register if the hardware pin is pulled "High". If the hard-
ware pin is pulled "Low", all channels are automatically turned off.
N
OTE
:
Internally pulled "Low" with a 50K
resistor.
RxTSEL
Y15
I
Receive Termination Control
Upon power up, the receivers are in "High" impedance. Switching to internal
termination can be selected through the microprocessor interface by program-
ming the appropriate channel register. However, to switch control to the hard-
ware pin, RxTCNTL must be programmed to "1" in the appropriate global
register. Once control has been granted to the hardware pin, it must be pulled
"High" to switch to internal termination.
N
OTE
:
Internally pulled "Low" with a 50k
resistor.
MICROPROCESSOR
N
AME
P
IN
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT83L34 QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83L34IV QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83SH314 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SH314_0610 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SH314IB 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83L314IB-F 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT83L314IB-L 功能描述:LIN 收發(fā)器 14 channel, LH/SH T1/E1 LIU RoHS:否 制造商:NXP Semiconductors 工作電源電壓: 電源電流: 最大工作溫度: 封裝 / 箱體:SO-8
XRT83L34 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83L34_05 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83L34ES 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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