參數(shù)資料
型號(hào): XRT4500CV
廠商: EXAR CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-80
文件頁數(shù): 4/99頁
文件大?。?/td> 1384K
代理商: XRT4500CV
á
XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
I
TABLE OF CONTENTS
GENERAL DESCRIPTION.................................................................................................1
Block Diagram...........................................................................................................................................1
F
EATURES
...................................................................................................................................... 1
A
PPLICATIONS
................................................................................................................................ 1
Block Diagram...........................................................................................................................................2
Pin Out of the Device................................................................................................................................3
Ordering Information.................................................................................................................................3
T
ABLE
OF
C
ONTENTS
............................................................................................................I
PIN DESCRIPTIONS..........................................................................................................4
E
LECTRICAL
C
HARACTERISTICS
.................................................................................................... 26
TA = 25°C, VDD = 5V, VSS = -6V, VPP = 12V, Maximum Operating Frequency Unless Otherwise Specified
28
Power Supply Consumption....................................................................................................................29
F
IGURE
1. S
UPPLY
C
URRENT
VERSUS
T
EMPERATURE
AND
S
UPPLY
V
OLTAGE
,
WITHOUT
L
OAD
OR
S
IGNAL
IN
EIA-530 (V.11)
MODE
......................................................................................................................................................... 29
F
IGURE
2. S
UPPLY
C
URRENT
VERSUS
T
EMPERATURE
AND
S
UPPLY
V
OLTAGE
,
WITH
L
OAD
IN
EIA-530 (V.11)
MODE
... 30
F
IGURE
3. RS422 D
RIVER
T
EST
C
IRCUIT
................................................................................................................. 33
F
IGURE
4. RS422 D
RIVER
/R
ECEIVER
AC T
EST
C
IRCUIT
........................................................................................... 33
F
IGURE
5. V.35 D
RIVER
/R
ECEIVER
AC T
EST
C
IRCUIT
(TX1/RX1, TX2/RX2 O
NLY
) .................................................. 34
F
IGURE
6. V.10/V.28 D
RIVER
T
EST
C
IRCUIT
............................................................................................................ 34
F
IGURE
7. V.10 (RS-423) V.28 (RS-232) R
ECEIVER
T
EST
C
IRCUIT
.........................................................................34
F
IGURE
8. V.11, V.35 D
RIVER
P
ROPAGATION
D
ELAYS
.............................................................................................. 34
F
IGURE
9. V.11, V.35 R
ECEIVER
P
ROPAGATION
D
ELAYS
..........................................................................................34
F
IGURE
10. V.10 (RS-423) V.28 (RS-232) D
RIVER
P
ROPAGATION
D
ELAYS
............................................................. 35
F
IGURE
11. V.10, V.28 R
ECEIVER
P
ROPAGATION
D
ELAYS
........................................................................................ 35
T
ABLE
1: R
ECEIVER
S
PECIFICATIONS
....................................................................................................................... 35
T
ABLE
2: T
RANSMITTER
S
PECIFICATION
.................................................................................................................... 36
1.0 SYSTEM DESCRIPTION .....................................................................................................................37
1.1 THE DIFFERENCE BETWEEN AN ELECTRICAL INTERFACE AND A COMMUNICATIONS INTERFACE 37
T
ABLE
3: DTE M
ODE
- C
ONTROL
P
ROGRAMMING
FOR
D
RIVER
AND
R
ECEIVER
M
ODE
S
ELECTION
.............................. 38
T
ABLE
4: DCE M
ODE
- C
ONTROL
P
ROGRAMMING
FOR
D
RIVER
AND
R
ECEIVER
M
ODE
S
ELECTION
.............................. 38
1.2 THE SYSTEM ARCHITECTURE .................................................................................................................... 39
1.2.1 THE “HIGH -SPEED TRANSCEIVER” BLOCK......................................................................................................... 40
F
IGURE
12. H
IGH
-S
PEED
T
RANSCEIVER
B
LOCK
........................................................................................................ 40
1.2.2 THE “HANDSHAKING/CONTROL SIGNAL TRANSCEIVER” BLOCK .................................................................... 41
F
IGURE
13. H
ANDSHAKING
/C
ONTROL
T
RANSCEIVER
B
LOCK
...................................................................................... 41
1.2.3 THE “DIAGNOSTIC OPERATION INDICATOR TRANSCEIVER” BLOCK............................................................... 42
F
IGURE
14. D
IAGNOSTIC
O
PERATION
INDICATOR
T
RANSCEIVER
B
LOCK
..................................................................... 42
1.3 THE CONTROL BLOCK ................................................................................................................................. 43
F
IGURE
15. D
IAGRAM
OF
THE
XRT4500 C
ONTROL
B
LOCK
........................................................................................ 43
1.3.1 M[2:0] - THE (COMMUNICATION INTERFACE) MODE CONTROL SELECT PINS. ............................................... 44
T
ABLE
5: T
HE
R
ELATIONSHIP
BETWEEN
THE
SETTINGS
FOR
THE
M[2:0]
BIT
-
FIELDS
AND
THE
C
ORRESPONDING
C
OMMUNICA
-
TION
I
NTERFACE
THAT
IS
SUPPORTED
.......................................................................................................... 44
1.3.2 DCE/DTE - THE DCE/DTE MODE SELECT PIN........................................................................................................ 45
F
IGURE
16. A S
IMPLE
I
LLUSTRATION
OF
THE
DCE/DTE I
NTERFACE
.......................................................................... 45
1.3.3 THE LP - LOOP-BACK ENABLE/DISABLE SELECT PIN ........................................................................................ 46
F
IGURE
17. I
LLUSTRATION
OF
BOTH
THE
DTE
AND
DCE M
ODE
XRT4500
OPERATING
,
WHEN
THE
L
OOP
-B
ACK
M
ODE
IS
DIS
-
ABLED
........................................................................................................................................................ 46
F
IGURE
18. I
LLUSTRATION
OF
THE
B
EHAVIOR
THE
DTE M
ODE
XRT4500,
WHEN
IT
IS
CONFIGURED
TO
OPERATE
IN
THE
L
OOP
-
B
ACK
M
ODE
............................................................................................................................................... 47
F
IGURE
19. I
LLUSTRATION
OF
THE
B
EHAVIOR
OF
THE
DCE M
ODE
XRT4500,
WHEN
IT
IS
CONFIGURED
TO
OPERATE
IN
THE
L
OOP
-
BACK
M
ODE
......................................................................................................................................48
1.3.4 THE EC* (ECHO CLOCK MODE - ENABLE/DISABLE SELECT INPUT PIN) .......................................................... 49
F
IGURE
20. I
LLUSTRATION
OF
A
TYPICAL
“3-C
LOCK
DCE/DTE” I
NTERFACE
............................................................... 49
F
IGURE
21. I
LLUSTRATION
OF
THE
WAVE
-
FORMS
OF
THE
SIGNALS
THAT
ARE
TRANSPORTED
ACROSS
A
“3-C
LOCK
DTE/DCE”
I
NTERFACE
.................................................................................................................................................50
相關(guān)PDF資料
PDF描述
XRT56L85 Low Power PCM Line Interface
XRT5794ES Evaluation System
XRT5894ES ()
XRT5894 Four-Channel E1 Line Interface (3.3V or 5.0V)(四通道E1 3.3V線接口單元)
XRT5897ES ()
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR-T5600P 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Repeater
XR-T56188CD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver
XR-T56188CP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver
XR-T56188ID 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver
XR-T56188IP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver