psb21391 Infineon Technologies Corporation, psb21391 Datasheet - Page 197

• Manufacturer Part Number: psb21391
• Description: Siemens Codec With Upn Transceiver
• Manufacturer: Infineon Technologies Corporation

7.1.2
Value after reset: 62
TR_
CONF1
RPLL_INTD
0: The integrator function of the receive PLL is enabled
1: The integrator function of the receive PLL is disabled
EN_SFSC
0: No short FSC is generated
1: A short FSC with a pulse length of 1 DCL is generated once per multi-frame (each 8th
7.1.3
Value after reset: 00
TR_
CONF2
DIS_TX
The transmitter of the U
This can be used to make the analog loop (Loop3) transparent (DIS_TX = ’0’) or not
(DIS_TX = ’1’).
0: Transmitter is enabled
1: Transmitter is disabled
TRS
0: An external transformer of ratio 1:1 is connected to the transceiver line interface.
1: An external transformer of ratio 2:1 is connected to the transceiver line interface
Data Sheet
IOM frame) (refer to chapter 2.3.4)
Only useful if 3.3V power supply voltage is applied.
Only useful if 5V power supply voltage is applied.
TR_CONF1 - Receiver Configuration Register
TR_CONF2 - Transmitter Configuration Register
RPLL_
7
7
INTD
DIS_
TX
... Enable Short FSC
... Disable Line Driver
... Transformer Ratio Selection
... Receive PLL Integrator Disable (refer to chapter 5.1.1)
H
H
1
0
PN
SFSC
transceiver can be disabled or enabled by setting DIS_TX.
EN_
0
TRS
0
187
0
0
0
0
Detalled Register Description
1
0
0
0
0
0
RD/WR (31
RD/WR (32
PSB 21391
PSB 21393
2001-03-07
H
H
)
)