
XRT7245
DS3 UNI FOR ATM
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PRELIMINARY
REV. 1.03
II
Reading Performance Monitor (PMON) Registers ......................................................................................41
For Example .....................................................................................................................................................41
The PMON Holding Register ...........................................................................................................................41
In Summary: Whenever an “8-bit” μC/μP needs to read a PMON Register, it must execute the following steps.
41
On-Chip Register Organization ....................................................................................... 54
Address = 00h, UNI Operating Mode Register ............................................................................................59
Bit 7—Line Loop Back Mode ........................................................................................................................60
Bit 6—Cell Loop Back Mode .........................................................................................................................60
Bit 5—PLCP Loop Back Mode ......................................................................................................................60
Bit 4—Reset ....................................................................................................................................................60
Bit 3—Direct Mapped ATM/PLCP Mode* Selection .....................................................................................60
Bit 2—M13/C-Bit* (DS3 Frame Format) Selection .......................................................................................60
Bits 1, 0—TimRefSel[1, 0] (Timing Reference Select—Transmit PLCP Processor and Transmit DS3 Fram-
er) ....................................................................................................................................................................60
Address = 01h, UNI I/O Control Register .....................................................................................................61
Bit 7—LOC (Loss of Clock)Enable ...............................................................................................................61
Bit 6—Test PMON ..........................................................................................................................................61
Bit 5—Int En Reset (Automatic Reset of Interrupt Enable Bits) Select .....................................................61
Bit 4—AMI/B3ZS* (Line Code) .......................................................................................................................62
Bit 3—Unipolar/Bipolar* (Line Code) ............................................................................................................62
Bit 2—TxLineClk Inv ......................................................................................................................................62
Bit 1—RxLineClk Inv ......................................................................................................................................62
Bit 0—Reframe (Receive DS3 Framer) .........................................................................................................62
Address = 02h, Part Number Register .........................................................................................................62
Address = 03h, Version Number Register ...................................................................................................63
Address = 04h, UNI Interrupt Enable Register ............................................................................................63
Bit 7—Rx DS3 Interrupt Enable ....................................................................................................................63
Bit 6—Rx PLCP Interrupt Enable ..................................................................................................................63
Bit 5—Rx CP Interrupt Enable ......................................................................................................................63
Bit 4—Rx UTOPIA Interrupt Enable ..............................................................................................................63
Bit 3—Tx UTOPIA Interrupt Enable ..............................................................................................................64
Bit 2—Tx CP Interrupt Enable .......................................................................................................................64
Bit 1—Tx DS3 Framer Interrupt Enable ........................................................................................................64
Bit 0—One Second Interrupt Enable ............................................................................................................64
Address = 05h, UNI Interrupt Status Register .............................................................................................64
Bit 7—Rx DS3 (Framer) Interrupt Status ......................................................................................................64
Bit 6—Rx PLCP Interrupt Status ...................................................................................................................65
Bit 5—Rx CP (Cell Processor) Interrupt Status ...........................................................................................65
Bit 4—Rx UTOPIA Interrupt Status ...............................................................................................................65
Bit 3—Tx UTOPIA Interrupt Status ...............................................................................................................65
Bit 2—Tx CP (Cell Processor) Interrupt Status ...........................................................................................65
Bit 1—Tx DS3 (Framer) Interrupt Status ......................................................................................................65
Bit 0—One Second Interrupt Status .............................................................................................................66