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CN8380EPF

Quad T1/E1 Line Interface

Conexant Systems 

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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