XRT83VSH38 データシートの表示（PDF） - Exar Corporation
部品番号
コンポーネント説明
メーカー
XRT83VSH38 Datasheet PDF : 76 Pages
| |||
REV. 1.0.7
SIGNAL NAME
RDY/EQC4
D[7]/Loop14
D[6]/Loop04
D[5]/Loop15
D[4]/Loop05
D[3]/Loop16
D[2]/Loop06
D[1]/Loop17
D[0]/Loop07
A[7]/Loop13
A[6]/Loop03
A[5]/Loop12
A[4]/Loop02
A[3]/Loop11
A[2]/Loop01
A[1]/Loop10
A[0]/Loop00
XRT83VSH38
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
BGA
LEAD
#
TYPE
DESCRIPTION
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 µP 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.
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 50kΩ resistor.
T7 I/O Bi-Directional Data Bust/Loopback Mode Select
U7
Host Mode
V7
These pins are used for the 8-bit bi-directional data bus to allow data transfer to and
V8
from the microprocessor interface.
V9
Hardware Mode (Channels 4 through 7)
U8
These pins are used to select the loopback mode. Each channel has two loopback
U9
pins Loop[1:0].
R7
"00" = No Loopback
"01" = Analog Local Loopback
"10" = Remote Loopback
"11" = Digital Loopback
NOTE: Internally pulled “Low” with a 50kΩ resistor.
A12 I Direct Address Bus/Loopback Mode Select
B11
Host Mode
C11
These pins are used for the 8-bit direct address bus to allow access to the internal
D11
registers within the microprocessor interface.
A11
Hardware Mode (Channels 0 through 3)
B10
These pins are used to select the loopback mode. Each channel has two loopback
A10
pins Loop[1:0].
C10
"00" = No Loopback
"01" = Analog Local Loopback
"10" = Remote Loopback
"11" = Digital Loopback
NOTE: Internally pulled “Low” with a 50kΩ resistor.
10
Share Link: 