CX28331/CX28332/CX28333
1.0 Pin Description
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
1.1 Pin Assignments
Table 1-2. CX2833i-3x Pin Definitions (8 of 8)
Pin #
Signal Name
Description
I/O/P
Notes
CX28331-3x CX28332-3x CX28333-3x
1–4, 7, 8,
21–24, 27,
11–14,
17–18,
37, 38, 39,
50, 64, 65,
52
No connect
—
Not connected.
28, 30–32, 37–39, 50, 66, 86, 87,
34–50, 52, 52, 55–73, 88
64–66,
76–91,
93–95
86–88
NOTE(S):
(1)
This pin should be connected to 3.3 V in an all-3.3 V design.
Placing a capacitor from this pin to ground may result in instabilities.
(2)
3. All digital input pins contain a 75 kΩ pull-down resistor from input to DVSS.
100985A
Conexant
1-21