XRT83VSH314ES Exar, XRT83VSH314ES Datasheet - Page 36
XRT83VSH314ES
Manufacturer Part Number
XRT83VSH314ES
Description
Peripheral Drivers & Components - PCIs 14 CHT1/E1LIUSH LOW COST VERSION
Manufacturer
Exar
Datasheet
1.XRT83VSH314ES.pdf
(80 pages)
Specifications of XRT83VSH314ES
Product Category
Peripheral Drivers & Components - PCIs
Rohs
yes
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XRT83VSH314
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
The XRT83VSH314 has the capability of providing the necessary chip selects for multiple 14-channel LIU
devices.
simultaneously for permitting access to internal registers.
determined by a chip select decoder controlled by the 3 MSBs of the address bus ADDR[10:8]. Only one LIU
(Master) requires the ADDR[10:8]. The other 5 LIU devices use the 8 LSBs for the direct address bus
ADDR[7:0].
applications. Selection of the chip select outputs using ADDR[10:8] is shown in
F
5.2
IGURE
Master
XRT83VSH314
Chip Address A[10:8]
24. S
84-Channel T1/E1 Multiplexer/Mapper Applications
Address A[7:0]
The LIU is responsible for selecting itself, up to 5 additional LIU devices, or all 6 devices
CS[5:1]
Data [7:0]
Figure 24
IMPLIFIED
0
CS
is a simplified block diagram of connecting six 14-channel LIU devices for 84-channel
B
LOCK
XRT83VSH314
D
IAGRAM OF AN
Slave
ADDR[10:8]
0h (000)
1h (001)
2h (010)
4h (100)
5h (101)
3h (011)
6h (110)
7h (111)
1
T
ABLE
CS
12: C
XRT83VSH314
84-C
HIP
Slave
HANNEL
S
2
ELECT
33
CS
A
XRT83VSH314
A
Current Device (Master)
PPLICATION
SSIGNMENTS
A
All Devices Active
The state of the chip select output pins is
CTIVE
Reserved
Slave
Chip 1
Chip 2
Chip 3
Chip 4
Chip 5
C
HIP
3
S
ELECT
CS
XRT83VSH314
Table
12.
Slave
4
CS
XRT83VSH314
REV. 1.0.1
Slave
5
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