DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 2

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
1.1 F
1.2 B
2.2 P
2.3 E
2.4 JTAG T
2.5 L
2.6 S
2.7 P
2.8 P
3.1 R
5.1 P
5.2 I
5.3 S
5.4 I
5.5 I
7.1 T1 C
7.2 T1 T
7.3 AIS-CI
7.4 T1 R
8.1 E1 C
8.2 A
8.3 E1 I
9.1 T1/E1 S
11.1
12.1
2.1.1
2.1.2
5.1.1
MAIN FEATURES .........................................................................................................................9
PIN FUNCTION DESCRIPTION ..................................................................................................18
PARALLEL PORT.......................................................................................................................36
SPECIAL PER-CHANNEL REGISTER OPERATION .................................................................43
PROGRAMMING MODEL ...........................................................................................................45
CLOCK MAP ...............................................................................................................................49
T1 FRAMER/FORMATTER CONTROL AND STATUS REGISTERS..........................................50
E1 FRAMER/FORMATTER CONTROL AND STATUS REGISTERS .........................................59
COMMON CONTROL AND STATUS REGISTERS ....................................................................66
I/O PIN CONFIGURATION OPTIONS .........................................................................................73
LOOPBACK CONFIGURATION .................................................................................................75
ERROR COUNT REGISTERS.....................................................................................................79
NTERRUPT
NFORMATION
NTERRUPT
INE
UNCTIONAL
LOCK
ARALLEL
XTENDED
UPPLY
INOUT
ACKAGE
OWER
TATUS
UTOMATIC
EGISTER
P
L
INE
ER
NFORMATION
RANSMIT
Transmit Side.............................................................................................18
Receive Side..............................................................................................21
I
Master Mode Register ................................................................................46
ONTROL
ECEIVE
ONTROL
NTERFACE
-C
-C
D
-U
AND
...............................................................................................................29
EST
P
R
TATUS
IAGRAM
HANNEL
ODE
INS
............................................................................................................35
P
EGISTERS
C
M
S
H
I
S
-S
A
ONTROL
RAI-CI G
A
NFORMATION
AP
YSTEM
D
.......................................................................................................28
ANDLING
EQUENCE
R
LARM
R
CCESS
T
R
V
IDE
ESCRIPTION
....................................................................................................36
EGISTERS
R
RANSPARENCY
EGISTERS
EGISTERS
IOLATION
P
EGISTERS
.................................................................................................14
R
L
INS
D
OOPBACK
EGISTERS
G
.............................................................................................47
I
IGITAL
NFORMATION
P
P
ENERATION
ENERATION AND
..........................................................................................27
ORT
.........................................................................................47
ORT
........................................................................................46
.....................................................................................50
.....................................................................................59
C
R
....................................................................................48
-M
...................................................................................12
P
OUNT
P
..................................................................................67
EGISTERS
INS
................................................................................77
ILLIWATT
INS
...............................................................................64
.............................................................................55
TABLE OF CONTENTS
...........................................................................24
..........................................................................26
R
.........................................................................63
B
EGISTER
US
...................................................................48
C
D
.................................................................25
ODE
ETECTION
2 of 237
(LCVCR) ..........................................80
G
ENERATION
................................................55
....................................56