REV. 1.0.7 RDY/EQC4 A6 I/O Ready Output (Data Transfer Acknowledge) Host Mode (P" />
參數(shù)資料
型號(hào)： XRT83SH38IB-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 6/78頁(yè)
文件大?。?/td> 0K
描述： IC LIU SH T1/E1/J1 8CH 225BGA
標(biāo)準(zhǔn)包裝： 84
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 8/8
規(guī)程： T1，E1，J1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 225-BGA
供應(yīng)商設(shè)備封裝： 225-BGA（19x19）
包裝： 托盤(pán)
XRT83SH38
11
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.7
RDY/EQC4
A6
I/O
Ready Output (Data Transfer Acknowledge)
Host Mode (Parallel Microprocessor)
If Pin SER_PAR is pulled "Low", this output pin from the microprocessor block is used
to inform the local
P that the Read or Write operation has been completed and is
waiting for the next command. See the Microprocessor Section of this datasheet for
details.
Host Mode (Serial Interface)
If Pin SER_PAR is pulled "High", this output pin from the serial interface is used to
read back the regsiter contents. See the Microprocessor Section of this datasheet for
details.
Hardware Mode
EQC[4:0] are used to set the Receiver Gain, Receiver Impedance and the Transmit
Line Build Out. See
Table 22 for more details.
NOTE: Internally pulled “Low” with a 50k
resistor.
D[7]/Loop14
D[6]/Loop04
D[5]/Loop15
D[4]/Loop05
D[3]/Loop16
D[2]/Loop06
D[1]/Loop17
D[0]/Loop07
T7
U7
V7
V8
V9
U8
U9
R7
I/O
Bi-Directional Data Bus/Loopback Mode Select
Host Mode
These pins are used for the 8-bit bi-directional data bus to allow data transfer to and
from the microprocessor interface.
Hardware Mode (Channels 4 through 7)
These pins are used to select the loopback mode. Each channel has two loopback
pins Loop[1:0].
"00" = No Loopback
"01" = Analog Local Loopback
"10" = Remote Loopback
"11" = Digital Loopback
NOTE: Internally pulled “Low” with a 50k
resistor.
A[7]/Loop13
A[6]/Loop03
A[5]/Loop12
A[4]/Loop02
A[3]/Loop11
A[2]/Loop01
A[1]/Loop10
A[0]/Loop00
A12
B11
C11
D11
A11
B10
A10
C10
I
Direct Address Bus/Loopback Mode Select
Host Mode
These pins are used for the 8-bit direct address bus to allow access to the internal
registers within the microprocessor interface.
Hardware Mode (Channels 0 through 3)
These pins are used to select the loopback mode. Each channel has two loopback
pins Loop[1:0].
"00" = No Loopback
"01" = Analog Local Loopback
"10" = Remote Loopback
"11" = Digital Loopback
NOTE: Internally pulled “Low” with a 50k
resistor.
SIGNAL NAME
BGA
LEAD
#
TYPE
DESCRIPTION
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