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U3501BM Datasheet, PDF (16/20 Pages) TEMIC Semiconductors – Cordless Telephone Signal Processor | |||
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U3501BM
ÃÃ4E:ÃÃTEnXaÃÃbleÃÃfunEÃÃctPioRnÃÃsEtErÃÃansmÃÃitEÃÃFSÃÃK ÃÃÃÃGÃÃMÃÃIC ÃÃÃÃBÃÃSCÃÃR ÃÃÃÃBÃÃCOÃÃMPÃÃÃÃRÃÃBAÃÃT ÃÃÃÃSRÃÃSSÃÃI ÃÃÃÃ
ETX:
Enable TX low frequency part
EPREE: Enable preemphasis (disable simultaneus bypass)
EFSK:
Enable modulator of FSK-modem
GMIC:
Gain of microphone preamplifier
BSCR:
Bypass scrambler/ descrambler
BCOMP: Bypass compressor expander
RBAT:
Battery detection high/ low range
SRSSI:
RSSI sample hold
ÃÃ5E:ÃÃXTÃÃLOÃÃÃÃGÃÃEAÃÃ4 ÃÃÃÃfreÃÃe ÃÃÃÃÃÃfreÃÃe ÃÃÃÃÃÃfreeÃÃÃÃÃÃfÃÃreeÃÃÃÃÃÃMÃÃTXÃÃÃÃÃÃfrÃÃee ÃÃÃÃÃÃ
EXTLO: Select input MIXER2
GEA4:
Gain earpiece amplifier MSB (see register 1)
MTX:
Mute transmit path
Example of Mode Setting Using Enable Bits and Battery Switch
(U3500B + U3550B)
Active Mode Active Mode Receive Mode Receive Mode Standby Mode Inactive Mode
(Transmission)
(PLL
(Only Data) (RX Waiting) (ex: Battery (Switch Off)
Convergence
Low)
ES(TwA(VXLERiMltwBO(,ncSMEahEAaaGSnERybRUTEICIaRslX/CeXEgBXo>XEdHeAm2aDPmn31t,wFAptaA.,Eee2abhRnr)VRrleyTtaenX)tdoÃÃÃÃÃÃÃÃÃÃ)Or ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃXXXXXXÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃWaiXXXXXÃÃtÃÃÃÃÃÃÃÃing)ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃXXXX ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃXXX ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃXXÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃXÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ
16 (20)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 29-Jul-96
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