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XRT83SH38 데이터시트 PDF




Exar Corporation에서 제조한 전자 부품 XRT83SH38은 전자 산업 및 응용 분야에서
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부품번호 XRT83SH38 기능
기능 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
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XRT83SH38 데이터시트, 핀배열, 회로
www.DataSheet4U.com
XRT83SH38
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
MAY 2006
REV. 1.0.3
GENERAL DESCRIPTION
The XRT83SH38 is a fully integrated 8-channel short-
haul line interface unit (LIU) that operates from a
single 3.3V power supply. Using internal termination,
the LIU provides one bill of materials to operate in T1,
E1, or J1 mode with minimum external components.
The LIU features are programmed through a standard
microprocessor interface, serial interface or
controlled through Hardware mode. EXAR’s LIU has
patented high impedance circuits that allow the
transmitter outputs and receiver inputs to be high
impedance when experiencing a power failure or
when the LIU is powered off. Key design features
within the LIU optimize 1:1 or 1+1 redundancy and
non-intrusive monitoring applications to ensure
reliability without using relays.
The on-chip clock synthesizer generates T1/E1/J1
clock rates from a selectable external clock frequency
and outputs a clock reference of the line rate chosen.
Additional features include RLOS, a 16-bit LCV
counter for each channel, AIS, QRSS generation/
detection, TAOS, DMO, and diagnostic loopback
modes.
APPLICATIONS
T1 Digital Cross-Connects (DSX-1)
ISDN Primary Rate Interface
CSU/DSU E1/T1/J1 Interface
T1/E1/J1 LAN/WAN Routers
Public switching Systems and PBX Interfaces
T1/E1/J1 Multiplexer and Channel Banks
FIGURE 1. BLOCK DIAGRAM OF THE XRT83SH38 T1/E1/J1 LIU (HOST MODE)
MCLKE1
MCLKT1
TPOS_n/TDATA_n
TNEG_n/CODES_n
TCLK_n
RCLK_n
RNEG_n/LCV_n
RPOS_n/RDATA_n
RLOS_n
HW/HOST
WR_R/W
RD_DS
ALE-AS
CS
RDY_DTACK/SDO
INT
SER_PAR
MASTER CLOCK SYNTHESIZER
1 of 8 channels, CHANNEL_n
QRSS
PATTERN
GENERATOR
HDB3/
B8ZS
ENCODER
TX/RX JITTER
ATTENUATOR
TAOS
TIMING
CONTROL
TX FILTER
& PULSE
SHAPER
DRIVE
MONITOR
LINE
DRIVER
QRSS
DETECTOR
Remote
Loopback
Digital
Loopback
Analog
Loopback
HDB3/
B8ZS
DECODER
TX/RX JITTER
ATTENUATOR
TIMING &
DATA
RECOVERY
LOS
DETECTOR
AIS
DETECTOR
PEAK
DETECTOR
& SLICER
TEST
MICROPROCESSOR/SERIAL INTERFACE CONTROLLER
MCLKOUT
DMO_n
TTIP_n
TRING_n
TXON_n
RTIP_n
RRING_n
ICT
µPTS1
µPTS2
D[7:0]
µPCLK/SCLK
A[7:0]/SDI
RESET
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com




XRT83SH38 pdf, 반도체, 판매, 대치품
XRT83SH38
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.3
4

4페이지










XRT83SH38 전자부품, 판매, 대치품
XRT83SH38
REV. 1.0.3
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REGISTER INFORMATION .......................................................................................................... 50
TABLE 19: MICROPROCESSOR REGISTER ADDRESS (ADDR[7:0]) .......................................................................................................... 50
TABLE 20: MICROPROCESSOR REGISTER CHANNEL DESCRIPTION ......................................................................................................... 50
TABLE 21: MICROPROCESSOR REGISTER 0X00H BIT DESCRIPTION........................................................................................................ 52
TABLE 22: EQUALIZER CONTROL AND TRANSMIT LINE BUILD OUT.......................................................................................................... 53
TABLE 23: MICROPROCESSOR REGISTER 0X01H BIT DESCRIPTION........................................................................................................ 53
TABLE 24: MICROPROCESSOR REGISTER 0X02H BIT DESCRIPTION........................................................................................................ 55
TABLE 25: MICROPROCESSOR REGISTER 0X03H BIT DESCRIPTION........................................................................................................ 55
TABLE 26: MICROPROCESSOR REGISTER 0X04H BIT DESCRIPTION........................................................................................................ 56
TABLE 27: MICROPROCESSOR REGISTER 0X05H BIT DESCRIPTION........................................................................................................ 57
TABLE 28: MICROPROCESSOR REGISTER 0X06H BIT DESCRIPTION........................................................................................................ 59
TABLE 29: MICROPROCESSOR REGISTER 0X08H BIT DESCRIPTION........................................................................................................ 60
TABLE 30: MICROPROCESSOR REGISTER 0X09H BIT DESCRIPTION........................................................................................................ 60
TABLE 31: MICROPROCESSOR REGISTER 0X0AH BIT DESCRIPTION ....................................................................................................... 60
TABLE 32: MICROPROCESSOR REGISTER 0X0BH BIT DESCRIPTION ....................................................................................................... 60
TABLE 33: MICROPROCESSOR REGISTER 0X0CH BIT DESCRIPTION ....................................................................................................... 61
TABLE 34: MICROPROCESSOR REGISTER 0X0DH BIT DESCRIPTION ....................................................................................................... 61
TABLE 35: MICROPROCESSOR REGISTER 0X0EH BIT DESCRIPTION ....................................................................................................... 61
TABLE 36: MICROPROCESSOR REGISTER 0X0FH BIT DESCRIPTION........................................................................................................ 61
TABLE 37: MICROPROCESSOR REGISTER 0X80H, BIT DESCRIPTION....................................................................................................... 62
CLOCK SELECT REGISTER............................................................................................................................................. 63
FIGURE 37. REGISTER 0X81H SUB REGISTERS ..................................................................................................................................... 63
TABLE 38: MICROPROCESSOR REGISTER 0X81H, BIT DESCRIPTION....................................................................................................... 64
TABLE 39: MICROPROCESSOR REGISTER 0X82H BIT DESCRIPTION........................................................................................................ 65
TABLE 40: MICROPROCESSOR REGISTER 0X8CH BIT DESCRIPTION ....................................................................................................... 66
TABLE 41: MICROPROCESSOR REGISTER 0X8DH BIT DESCRIPTION ....................................................................................................... 66
TABLE 42: MICROPROCESSOR REGISTER 0X8EH BIT DESCRIPTION ....................................................................................................... 67
TABLE 43: MICROPROCESSOR REGISTER 0XC0H BIT DESCRIPTION ....................................................................................................... 68
TABLE 44: MICROPROCESSOR REGISTER 0XFEH BIT DESCRIPTION ....................................................................................................... 68
TABLE 45: MICROPROCESSOR REGISTER 0XFFH BIT DESCRIPTION ....................................................................................................... 68
ELECTRICAL CHARACTERISTICS............................................................................................. 69
TABLE 46: ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................. 69
TABLE 47: DC DIGITAL INPUT AND OUTPUT ELECTRICAL CHARACTERISTICS........................................................................................... 69
TABLE 48: AC ELECTRICAL CHARACTERISTICS...................................................................................................................................... 69
TABLE 49: POWER CONSUMPTION ........................................................................................................................................................ 70
TABLE 50: E1 RECEIVER ELECTRICAL CHARACTERISTICS ...................................................................................................................... 70
TABLE 51: T1 RECEIVER ELECTRICAL CHARACTERISTICS ...................................................................................................................... 71
TABLE 52: E1 TRANSMITTER ELECTRICAL CHARACTERISTICS ................................................................................................................ 72
TABLE 53: T1 TRANSMITTER ELECTRICAL CHARACTERISTICS................................................................................................................. 72
PACKAGE DIMENSIONS ............................................................................................................. 73
ORDERING INFORMATION ..................................................................................................................................... 74
REVISIONS ............................................................................................................................................................... 74
III

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