DS21448A1 Maxim Integrated, DS21448A1 Datasheet - Page 2

• Manufacturer Part Number: DS21448A1
• Description: Network Controller & Processor ICs 3.3V E1/T1/J1 Quad Interface
• Manufacturer: Maxim Integrated

Specifications of DS21448A1

• Part # Aliases: 90-21448-0A1

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
3.1
4.1
4.2
4.3
6.1
6.2
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
8.1
8.2
8.3
11.1
11.2
12.1
12.2
4.3.1
4.3.2
4.3.3
6.2.1
6.2.2
6.2.3
6.2.4
BLOCK DIAGRAMS ........................................................................................................................ 5
PIN DESCRIPTION .......................................................................................................................... 7
DETAILED DESCRIPTION ............................................................................................................ 13
PORT OPERATION ....................................................................................................................... 14
STATUS REGISTERS.................................................................................................................... 23
DIAGNOSTICS .............................................................................................................................. 28
ANALOG INTERFACE................................................................................................................... 33
JTAG BOUNDARY SCAN ARCHITECTURE AND TEST ACCESS PORT .................................. 43
OPERATING PARAMETERS ........................................................................................................ 48
AC TIMING PARAMETERS AND DIAGRAMS.............................................................................. 49
PIN CONFIGURATIONS ................................................................................................................ 56
PACKAGE INFORMATION ........................................................................................................... 58
THERMAL INFORMATION ............................................................................................................60
REVISION HISTORY...................................................................................................................... 60
DS21448
H
S
P
I
L
PRBS G
E
E
E
R
T
J
G.703 S
JTAG TAP C
I
T
N
NSTRUCTION
ITTER
OOPBACKS
RANSMITTER
EST
ERIAL
ARALLEL
RROR
RROR
RROR
ARDWARE
ECEIVER
-B
144-P
128-P
144-B
128-P
Device Power-Up and Reset................................................................................................................ 18
Register Map........................................................................................................................................ 18
Control Registers ................................................................................................................................. 19
Remote Loopback (RLB) ..................................................................................................................... 31
Local Loopback (LLB) .......................................................................................................................... 31
Analog Loopback (LLB) ....................................................................................................................... 31
Dual Loopback (DLB)........................................................................................................................... 31
AND
R
A
EGISTERS
P
C
C
I
IN
IN
ALL
IN
NSERTION
YNCHRONIZATION
ENERATION AND
TTENUATOR
L
ORT
OUNTER
OUNTER
OOP
AND
P
..................................................................................................................................... 33
BGA ............................................................................................................................56
LQFP...........................................................................................................................57
LQFP (56-G4011-001) ................................................................................................ 59
M
ORT
TE-PBGA (56-G6020-001) ....................................................................................... 58
.................................................................................................................................. 31
ONTROLLER
O
R
ODE
...............................................................................................................................33
-C
DS21Q348 D
EGISTER
PERATION
O
ODE
.......................................................................................................................... 31
.......................................................................................................................... 46
U
......................................................................................................................... 14
PERATION
........................................................................................................................ 32
PDATE
..................................................................................................................... 34
G
ENERATION AND
................................................................................................................ 45
D
.............................................................................................................. 15
S
S
ETECTION
............................................................................................................ 32
TATE
IGNAL
......................................................................................................... 18
IFFERENCES
TABLE OF CONTENTS
M
................................................................................................. 34
ACHINE
............................................................................................ 31
D
...................................................................................... 13
ETECTION
.................................................................................... 43
2 of 60
...................................................................... 28