CN8380 Datasheet, PDF (13/91 Pages) Conexant Systems, Inc – integrated quad line interface unit unit for both 1.544 Mbps (T1) and 2.048 Mbps (E1) applications

1
1.0 Pin Descriptions
The CN8380 is packaged in a 128-pin metric quad flat pack (MQFP). A pinout
diagram is illustrated in Figure 1-1. Logic diagrams are illustrated in Figure 1-2
and Figure 1-3. Pin labels and numbers, input/output functions, and descriptions
are provided in Table 1-1.
The following input pins contain an internal pull-up resistor (> 50 kΩ) and
may remain unconnected if unused or if the active high input state is desired:
XOE [1:4]
TAIS [1:4]
RAWMD [1:4]
RLOOP [1:4]
LLOOP [1:4]
HM
UNIPOLAR
JDIR/SCLK
JSEL(2)/SDI
JSEL(1)/CS
JSEL(0)
RESET
HTERM
CLK_POL
PTS(2:0)
TDI
(Unused if JTAG not connected)
TMS
(Disables JTAG if not connected)
TCK
(Unused if JTAG not connected)
TRST (Unused if JTAG not connected)
N8380DSA
Conexant
1-1
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