tmxf28155 ETC-unknow, tmxf28155 Datasheet - Page 306

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

155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
12 28-Channel Framer Registers
Table 435. FRM_HCR3, Transmit HDLC Channel Register 3 (R/W) (continued)
* See
Table 436. FRM_HCR4, Transmit HDLC Channel Register 4 (RO)
* See
Table 437. FRM_HCR5, Transmit HDLC Channel Register 5 (R/W)
* See
306
Address*
0x8HP82
Address*
Address*
0x8HP83
0x8HP84
Table 432
Table 432
Table 432
for mapping of H and P.
for mapping of H and P.
for mapping of H and P .
1:0
Bit
3
2
15:3
15:3
Bit
Bit
2
1
0
2
1
0
FRM_HXPIDLE[1:0] Transparent Idle Mode Character Select. Only valid in trans-
FRM_HTMODE
FRM_HTIDLE
FRM_MHTTHRSH Transmit FIFO Threshold Interrupt Mask. A 1 masks the
FRM_HTTHRSH Transmit FIFO Threshold Interrupt. A 1 indicates this
FRM_MHTDONE Transmit Done Interrupt Mask. A 1 masks the corre-
FRM_HTDONE Transmit Done. A 1 indicates a complete packet has been
FRM_MHTUND
FRM_HTUND
Name
Name
Name
—
—
HDLC Idle Select. Only valid in HDLC mode. This bit indicates
the idle fill character when the Tx FIFO is empty. A 0 means fill
with flags (01111110). A 1 means fill with idle (11111111).
Transmit Channel Mode Select. A 0 indicates the channel is
in HDLC mode. A 1 indicates the channel is in transparent
mode.
parent mode. These bits indicate one of the four possible 8-bit
patterns to be sent when the Tx FIFO is empty.
(00 selects TXICHAR0
(Table
Reserved. Reads 0.
Transmit FIFO Underrun. A 1 indicates this channel has
run out of data in the middle of an HDLC packet. In trans-
parent mode, it simply means the channel has run out of
data.
sent on this channel.
channels FIFO level has dropped below the programmed
threshold value.
Reserved. Must write to 0.
Transmit FIFO Underrun Interrupt Mask. A 1 masks the
corresponding channel’s FRM_HTUND status from caus-
ing an interrupt.
sponding channel’s FRM_HTDONE status from causing
an interrupt.
corresponding channel’s FRM_HTTHRSH status from
causing an interrupt.
(continued)
330), etc.)
(Table
Function
Function
Function
329), 01 selects TXICHAR1
Agere Systems Inc.
May 2001
Default
Default
Reset
0x000
Reset
Default
Reset
0x0
0
0
0
0
0
0
00
0
0