psb21391 Infineon Technologies Corporation, psb21391 Datasheet - Page 223

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

SM
0: Automatic stop mode is disabled
1: Automatic stop mode is enabled; two and three tone ring gets turned off after the
SQTR
0: Trapezoid shaped signal is enabled;
1: Square-wave signal is enabled
7.3.4
Value after reset: 00
TGSR
TRL
0: Ringing signal is not output directly to the loudspeaker pins
1: Ringing signal (square) is output directly to the loudspeaker pins LSP/LSN
TRR
0: Tone signal for receive direction is disabled
1: Tone signal for receive direction is enabled
DTMF
0: DTMF mode is disabled
1: DTMF mode is enabled
TRX
0: Tone generator for transmit direction is disabled
1: Tone generator for transmit direction is enabled
Data Sheet
sequence is completed
only available if tone ringing via loudspeaker is disabled with TGSR.TRL = ’0’
7
Tone Generator Switch Register (TGSR)
0
... Stop Mode
... Square/Trapezoid Waveform
... Tone Ringing via Loudspeaker
... Tone Ringing Receive
... DTMF Mode
... Tone Ringing Transmit
TRL
H
0
TRR DTMF TRX
213
Detalled Register Description
0
0
0
RD/WR (63
PSB 21391
PSB 21393
2001-03-07
H
)