PSB4596 Siemens Semiconductor Group, PSB4596 Datasheet - Page 42
PSB4596
Manufacturer Part Number
PSB4596
Description
Analog Line Interface Solution ALIS
Manufacturer
Siemens Semiconductor Group
Datasheet
1.PSB4596.pdf
(104 pages)
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6.2.4
Default value: 00H
Test Loops Four-bit field for selection of analog and digital loopbacks
SEL
Call_pctl
Note: The path can be controlled manually for test purposes. Must be ’0’ for normal
DHP-X
DHP-R
Semiconductor Group
Bit
Call_II = 0:
0101
1000
1001
1100
1101
1111
SEL = 0:
SEL = 1:
Call_pctl = 0:
Call_pctl = 1:
DHP-X = 0:
DHP-X = 1:
DHP-R = 0:
DHP-R = 1:
operation.
CR3 Configuration Register 3 (Test Loops)
7
Test loop selection
Caller ID path control
Disable high-pass in transmit direction
Disable high-pass in receive direction
2nd tone of caller ID not detected
ALB_CIF: Cap. interface loop of the signal from the input circuit
(CAP_B11/12 is connected to the output drivers (CAP_A11/12,
CAP_C11/12)
ALB-CID: Caller ID loop; the output signal from the caller ID
comparator is connected to the output drivers of the capacitor
interface (CAP_A11/12, CAP_C11/12);
DLB-2M: Loop via HW filters;
DLB-128k: Loop inside DSP;
DLB-64k: Loop inside DSP;
DLB-PCM: Loop via PCM interface; the received data is sent back
in the next frame;
Test loops via impedance path selected
Test loops via receive path selected
Caller ID interface enabled during ringing mode
Caller ID interface will be selected by the Call_pon bit in CR2
Transmit high-pass enabled
Transmit high-pass disabled
Receive high-pass enabled
Receive high-pass disabled
Test Loops
6
5
4
42
SEL
Analog Line Interface Solution
3
Call_
pctl
2
PSB 4595 / PSB 4596
Programming ALIS
DHP-R
1
Data Sheet 06.98
DHP-X
0