PSB3186HV14XP Lantiq, PSB3186HV14XP Datasheet - Page 51
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PSB3186HV14XP
Manufacturer Part Number
PSB3186HV14XP
Description
Manufacturer
Lantiq
Datasheet
1.PSB3186HV14XP.pdf
(200 pages)
Specifications of PSB3186HV14XP
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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An activation initiated from the exchange side will have the consequence that a clock
signal is provided automatically if TR_CONF0.LDD is set to ’0’. If TR_CONF0.LDD is set
to ’1’ the microcontroller has to take care of an interrupt caused by the level detect circuit
(ISTATR.LD)
From the terminal side an activation must be started by setting and resetting the SPU-
bit in the IOM_CR register and writing TIM to the CIX0 register or by resetting
MODE1.CFS=0.
3.3.9
The layer-1 part of the ISAC-SX TE can be enabled/disabled by configuration (see
Figure
By default all layer-1 functions with the exception of the transmitter buffer is enabled
(DIS_TR = ’0’, DIS_TX = ’1’). With several terminals connected to the S/T interface,
another terminal may keep the interface activated although the ISAC-SX TE does not
establish a connection. The receiver will monitor for incoming calls in this configuration.
If the transceiver is disabled (DIS_TR = ’1’) all layer-1 functions are disabled including
the level detection circuit of the receiver. In this case the power consumption of the
Layer-1 is reduced to a minimum. The HDLC controller can still operate via IOM-2. The
DCL and FSC pins become input.
Figure 26
Data Sheet
26) with the two bits TR_CONF0.DIS_TR and TR_CONF2.DIS_TX .
Transceiver Enable/Disable
Disabling of S/T Transmitter
TR_CONF0.DIS_TR
51
TR_CONF2.DIS_TX
Description of Functional Blocks
’1’
’0’
ISAC-SX TE
PSB 3186
2003-01-30
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