tmxf28155 ETC-unknow, tmxf28155 Datasheet - Page 243

• Manufacturer Part Number: tmxf28155
• Description: Tmxf28155 Super Mapper 155/51 Mbits/s Sonet/sdh X28/x21 Ds1/e1
• Manufacturer: ETC-unknow

Preliminary Data Sheet
May 2001
12 28-Channel Framer Registers
12.1 Framer Global Register Descriptions
Table 301. FRM_SFGR1, Superframer Global Register 1 (R/W)
Agere Systems Inc.
Address
0x80000
14:13
9:1
Bit
15
12
11
10
0
FRM_LG_BUF_
FRM_SW_TRN Superframer Configuration Modes.
FRM_LOOP_
CNTRL[1:0]
FRM_DS1_
FRM_PLL_
FRM_LC_
TIMING
CEPTN
BYPAS
MODE
Name
—
0 = Transport mode.
1 = Switching mode.
Line Encoder/Decoder Control.
00 = Line encoder and line decoder blocks are not used in
01 = Line decoder is used in the Rx path and line encoder is
10 = Line decoder is used in the Tx path and line encoder is
11 = Reserved.
Loop Timing.
0 = Superframer is programmed for normal mode.
1 = Superframer is programmed for loop timing; i.e., all received
DS1/CEPT Terminal Count.
0 = Superframer is programmed for CEPT mode, which has a
1 = Superframer is programmed for DS1 mode, which has a
Note: For fewer links or DS1/CEPT mixed modes, use
PLL Bypass.
0 = Internal PLL is used to generate the line clock in the
1 = The PLL is bypassed. External line clock is required in this
Reserved. Must write to 0.
HDLC Buffer Mode.
0 = HDLC channel buffers are configured for 128-byte storage.
1 = HDLC channel buffers are combined for 512-byte storage.
STS-3/STS-1/DS3/DS2 to CHI/parallel system bus/SMI.
STS-3/STS-1/DS3 to line data rate mode.
DS1 to CHI/parallel system bus/SMI channelized.
DS1 to DS2/DS3/STS-1/STS-3.
line clocks are looped back to the corresponding transmit
line clocks.
maximum of 21 operational links. Links 22 to 28 are
disabled.
maximum of 28 operational links.
transmit path.
mode.
Up to 64 (32) channels can be supported in the switching
(transport) mode.
Up to 16 (8) channels can be supported in the switching
(transport) mode.
either the framer Tx or Rx paths. This setting is used in the
following switching modes:
used in the Tx path. This setting is used in the framer-only
switching modes:
used in the Rx path. This setting is used in the following
transport modes:
FRM_TC_EN and FRM_TC[7:0]
ters to select an accurate link count.
(continued)
155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
Function
(Table
TMXF28155/51 Super Mapper
306) parame-
Reset Default
00
0
0
1
0
0
0
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