psb21381 Infineon Technologies Corporation, psb21381 Datasheet - Page 236
psb21381
Manufacturer Part Number
psb21381
Description
Siemens Codec With S/t Transceiver
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PSB21381.pdf
(270 pages)
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Data Sheet
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
7.4.4
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
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
226
Detailed Register Description
0
0
0
PSB 21381/2
PSB 21383/4
RD/WR (63
2001-03-12
H
)
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