
TMXF28155/51 Super Mapper
155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
Preliminary Data Sheet
May 2001
254
Agere Systems Inc.
12 28-Channel Framer Registers
(continued)
Table 331. FRM_HGR5, Transmit HDLC Global Register 5 (R/W)
Table 332. FRM_HGR6, Transmit HDLC Global Register 6 (R/W)
Table 333. FRM_HGR7, Transmit HDLC Global Register 7 (R/W)
Table 334. FRM_HGR8, Transmit HDLC Global Register 8 (R/W)
Table 335. FRM_HGR9, Transmit HDLC Global Register 9 (R/W)
Address
Bit
Name
Function
Reset
Default
0x00
0x00
0x80144
15:8
7:0
—
Reserved.
Must write to 0.
FRM_TXICHAR2[7:0]
Transparent Mode Transmit Idle Char 2.
These bits
are used in transparent mode. They represent the third
8-bit pattern the transmitter will send when there is no
data available in the FIFO. One of the four patterns can
be selected on a per-channel basis with the
FRM_HXPIDLE[1:0] (
Table 435
) parameter.
Address
Bit
Name
Function
Reset
Default
0x00
0x00
0x80145
15:8
7:0
—
Reserved.
Must write to 0.
FRM_TXICHAR3[7:0]
Transparent Mode Transmit Idle Char 3.
These bits
are used in transparent mode. They represent the fourth
8-bit pattern the transmitter will send when there is no
data available in the FIFO. One of the four patterns can
be selected on a per-channel basis with the
FRM_HXPIDLE[1:0] (
Table 435
) parameter.
Address
Bit
Name
Function
Reset
Default
0x000
00000
0x80146
15:5
4:0
—
Reserved.
Must write to 0.
FRM_FCNT0[4:0]
HDLC Flag Count 0.
These values are the number of addi-
tional idle flags to be sent between HDLC packets. One of
the four values can be selected on a per-channel basis with
the FRM_CFLAGS[1:0] (
Table 435
) parameter.
Address
Bit
Name
Function
Reset
Default
0x000
00000
0x80147
15:5
4:0
—
Reserved.
Must write to 0.
FRM_FCNT1[4:0]
HDLC Flag Count 1.
These values are the number of addi-
tional idle flags to be sent between HDLC packets. One of
the four values can be selected on a per-channel basis with
the FRM_CFLAGS[1:0] parameter.
Address
Bit
Name
Function
Reset
Default
0x000
00000
0x80148
15:5
4:0
—
Reserved.
Must write to 0.
FRM_FCNT2[4:0]
HDLC Flag Count 2.
These values are the number of addi-
tional idle flags to be sent between HDLC packets. One of
the four values can be selected on a per-channel basis with
the FRM_CFLAGS[1:0] (
Table 435
) parameter.