PEB3264FV1.4 Datasheet, PDF (79/374 Pages) Infineon Technologies AG – Dual Channel Subscriber Line Interface Concept

DuSLIC
Operational Description
Table 14 DuSLIC-S/-S2/-SE/-SE2 Operating Modes (cont’d)
SLICOFI-2S SLIC-S/S2
/SLICOFI-2S2 /SLIC-E/E2
Mode
Mode
Ringing (Ring) ACTR
Ring Pause ACTR
HIRT
HIRT
SLIC-S/-S2 System
Active
/SLICE/E2 Functionality Circuits
Internal
Supply
Voltages
(+/–) [V_HI/V_BI]
V_HR/V_BATH
Balanced ring Buffer,
signal feed Sensor, DC
(including DC loop, Ring
offset)
generator
V_HR/V_BATH
DC offset
feed
Buffer,
Sensor, DC
loop, Ramp
generator
V_HR/V_BATH
For example: Sensor, DC
sensor offset transmit
calibration path
Tip/Ring
Output
Voltage
Tip: (V_BATH +
V_HR + V_DC)/2
Ring: (V_BATH
+ V_HR –
V_DC)/2
Tip: (V_BATH +
V_HR + V_DC)/2
Ring: (V_BATH
+ V_HR –
V_DC)/2
High
Impedance
Active with HIR
HIR
V_HR/V_BATH
For example:
line test (Tip)
Tip Buffer,
Sensor,
DC + AC
loop
Tip: (V_BATH +
V_HR + V_AC +
V_DC)/2
Ring: High
impedance
Active with HIT
HIT
V_HR/V_BATH
For example: Ring Buffer, Ring: (V_BATH
line test (Ring) Sensor, + V_HR – V_AC
DC + AC –V_DC)/2
loop
Tip: High
impedance
1) Load external C for switching from PDRH to ACTH in on-hook mode.
V_AC … Tip/Ring AC Voltage
V_DC … Tip/Ring DC Voltage
Preliminary Data Sheet
79
DS3, 2003-07-11