PRELIMINARY
PM4318 OCTLIU
DATASHEET
PMC- 2001578
ISSUE 3
OCTAL E1/T1/J1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
ii
1.14
SCALEABLE BANDWIDTH INTERCONNECT (SBI) INTERFACE ...................44
1.14.1 INTERFACING OCTLIUS TO A HIGH DENSITY FRAMER..................45
1.15
SBI EXTRACTER AND PISO.............................................................................46
1.16
SBI INSERTER AND SIPO ................................................................................46
1.17
SBI TO CLK/DATA CONVERTER......................................................................46
1.18
SERIAL PROM INTERFACE..............................................................................46
1.19
JTAG TEST ACCESS PORT..............................................................................48
1.20
MICROPROCESSOR INTERFACE...................................................................48
2
NORMAL MODE REGISTER DESCRIPTION................................................................49
2.1
NORMAL MODE REGISTER MEMORY MAP...................................................50
3
TEST FEATURES DESCRIPTION................................................................................169
3.1
JTAG TEST PORT............................................................................................169
4
OPERATION..................................................................................................................172
4.1
CONFIGURING THE OCTLIU FROM RESET.................................................172
4.2
SERVICING INTERRUPTS..............................................................................172
4.3
USING THE PERFORMANCE MONITORING FEATURES ............................173
4.4
USING THE TRANSMIT LINE PULSE GENERATOR.....................................173
4.5
USING THE LINE RECEIVER .........................................................................194
4.6
USING THE PRBS GENERATOR AND DETECTOR......................................201
4.7
LOOPBACK MODES .......................................................................................201
4.7.1
LINE LOOPBACK................................................................................201
4.7.2
DIAGNOSTIC DIGITAL LOOPBACK ..................................................202
4.8
JTAG SUPPORT ..............................................................................................202
4.8.1
TAP CONTROLLER............................................................................204
5
FUNCTIONAL TIMING..................................................................................................210
5.1
SBI BUS INTERFACE TIMING ........................................................................210