DS32508-W Maxim Integrated, DS32508-W Datasheet - Page 19
![no-image](/images/no-image-200.jpg)
DS32508-W
Manufacturer Part Number
DS32508-W
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS32512W.pdf
(130 pages)
Specifications of DS32508-W
Part # Aliases
90-32508-W00
- Current page: 19 of 130
- Download datasheet (2Mb)
Table 7-5. Hardware Interface Pin Descriptions
LMn[1:0]
TLBOn
NAME
TCLKI
TAISn
TDMn
TOEn
AIST
TBIN
TCC
TPD
TYPE
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
O
LIU Mode Control (Port n). When only the hardware interface is enabled
HW
00 = DS3
01 = E3
10 = STS-1
11 = reserved
AIS Type Control (All Ports). See Section 8.2.3.
0 = Unframed all ones
1 = Framed DS3 AIS (DS3 mode), unframed all ones (E3 mode), or AIS-L (STS-1 mode)
Transmit AIS Control (Port n). The type of AIS signal is specified by the
pins. See Section 8.2.3.
0 = transmit normal data
1 = transmit AIS
Transmit Binary Interface Control (All Ports). See Section 8.2.2.
0 = Transmitter framer interface is bipolar on the
encoder is disabled.
1 = Transmitter framer interface is binary on the
enabled.
Transmit Common Clock Control (All Ports). When this pin is high, the transmit paths of all
ports are clocked by the TCLK1 pin, and pins TCLKx (x ≠ 1) are ignored. In designs where the
transmit paths of all ports can be clocked synchronously with one another, this mode reduces
wiring complexity between the LIU and the neighboring framer or mapper component. See
Section 8.2.1.
Transmit Clock Invert control (All Ports). See Section 8.2.1.
0 = TPOS/
1 = TPOS/
Transmit Driver Monitor Status (Port n). This pin reports the status of the transmit driver
monitor. See Section
0 = Transmit line driver is operating properly.
1 = Transmit line driver is faulty.
Transmit Line Build-Out Control (Port n). This pin specifies cable length for waveform
shaping in DS3 and STS-1 modes. In E3 mode it is ignored and should be wired high or low.
See Section 8.2.6.
0 = Cable length ≥ 225ft
1 = Cable length < 225ft
Transmitter Output-Enable Control (Port n). This pin enables and disables the transmitter
outputs. The transmitter continues to operate internally when the outputs are disabled; only the
line driver and driver monitor are disabled. See Section 8.2.7.
0 =
1 =
Transmit Power-Down (All Ports). See Section 8.2.10.
0 = Enable all transmitters
1 = Power down all transmitters (drivers become high impedance)
TXPn/TXNn
TXPn/TXNn
= 1), these pins set the LIU mode for port n. See Section 8.1.
TDAT
TDAT
output drivers disabled (high impedance)
output drivers enabled
and
and
8.2.9
TNEG
TNEG
for more information.
are sampled on the rising edge of TCLK.
are sampled on the falling edge of TCLK.
19 of 130
FUNCTION
TDAT
TPOS
pin, and the B3ZS/HDB3 encoder is
and
TNEG
DS32506/DS32508/DS32512
pins, and the B3ZS/HDB3
LMn[1:0]
(IFSEL
= 000 and
and
AIST
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