PEB 2466
1.3 Pin Definition and Functions (cont’d)
Pin No. Symbol Input (I) Function
Output (O)
General Description
Specific Pins for Channel 4
63
GNDA4 I
Ground Analog for channel 4, not internally
connected to GNDD or GNDA1,2,3
64
VIN4
I
Analog voice (voltage) input for channel 4, has to be
connected to the SLIC by a 39 nF cap.
62
VOUT4
O
Analog voice (voltage) output for channel 4, has to
be connected to the SLIC via a cap. 2)
13
SI4_0 I
Signaling input pin 0 for channel 4
14
SI4_1 I
Signaling input pin 1 for channel 4
8
SO4_0 O
Signaling output pin 0 for channel 4
9
SO4_1 O
Signaling output pin 1 for channel 4
10
SB4_0 I/O
Bi-directional signaling pin 0 for channel 4
11
SB4_1 I/O
Bi-directional signaling pin 1 for channel 4
12
SB4_2 I/O
Bi-directional signaling pin 2 for channel 4
1) A 100 nF cap. should be used for blocking these pins, see also on page 82
2) The value for the capacitor needed, depends on the input impedance of the ‘SLIC’-circuitry. For choosing the
appropriate values see figure on page 71.
Semiconductor Group
14
02.97