![](http://datasheet.mmic.net.cn/330000/PM6344-RI_datasheet_16444359/PM6344-RI_3.png)
STANDARD PRODUCT
PMC-Sierra, Inc.
PM6344 EQUAD
PMC-951013
ISSUE 5
QUADRUPLE E1 FRAMER
ii
8.16
MICROPROCESSOR INTERFACE (MPIF)........................................................47
9
REGISTER DESCRIPTION.............................................................................................48
10
NORMAL MODE REGISTER DESCRIPTION.................................................................52
10.1
SIGX INDIRECT REGISTERS 96 (60H) - 127 (7FH) - SEGMENT 4: TYPICAL
PER-TIMESLOT CONFIGURATION AND SIGNALING TRUNK ......................156
10.2
REGISTERS 049-04FH, 0C9H-0CFH, 149H-14FH, 1C9H-1CFH: LATCHING
PERFORMANCE DATA.....................................................................................168
11
TEST FEATURES DESCRIPTION ................................................................................176
11.1
TEST MODE 0..................................................................................................176
12
FUNCTIONAL TIMING...................................................................................................180
12.1
RECEIVE BACKPLANE INTERFACE...............................................................182
13
OPERATION ..................................................................................................................191
13.1
USING THE INTERNAL FDL TRANSMITTER .................................................192
13.2
USING THE INTERNAL FDL RECEIVER.........................................................194
13.3
USING THE LOOPBACK MODES....................................................................201
13.3.1 PAYLOAD LOOPBACK ........................................................................202
13.3.2 LINE LOOPBACK ................................................................................203
13.3.3 DIAGNOSTIC DIGITAL LOOPBACK ...................................................203
13.4
USING THE PER-CHANNEL SERIAL CONTROLLERS..................................204
13.4.1 INITIALIZATION...................................................................................204
13.4.2 DIRECT ACCESS MODE....................................................................205
13.4.3 INDIRECT ACCESS MODE ................................................................205
13.5
USING THE DIGITAL JITTER ATTENUATOR..................................................206
13.5.1 DEFAULT APPLICATION .....................................................................206
13.5.2 DATA BURST APPLICATION...............................................................206