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U3501BM Datasheet, PDF (15/20 Pages) TEMIC Semiconductors – Cordless Telephone Signal Processor | |||
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Data
(D)
b9
U3501BM
b10
b11
b0
(C)
Clock
tsud
thd
tch
tcl teon teh teoff
96 11790
Figure 13.
Content of Internal Registers
ÃÃ0D:ÃÃRAe0fÃÃereÃÃnceÃÃforDDÃÃA/A1ÃÃCoÃÃnverÃÃteDrÃÃA2ÃÃÃÃÃÃDAÃÃ3 ÃÃÃÃÃÃDAÃÃ4 ÃÃÃÃDÃÃAÃÃ5 ÃÃÃÃDÃÃA6ÃÃÃÃÃÃMÃÃUXÃÃDAÃÃÃÃ
DA [0:6]: Refernce voltage D/A
MUXDA: D/A multiplexing
1: Gain adjustment RECLF
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ GRX0 GRX1 GRX2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ GRX [0:3]: Gain adjustment RX
GRX3
GEA0
GEA1
GEA2
GEA3
GEA [0:3]: Gain earpiece amplifier (see register 5)
ÃÃ2G:ÃÃG1aTÃÃinXa0dÃÃjusÃÃtmGeÃÃn1tTTÃÃXRA1ÃÃNLFÃÃGÃÃ1TXÃÃ2 ÃÃÃÃG1ÃÃTXÃÃ3 ÃÃÃÃG2ÃÃTXÃÃ0 ÃÃGÃÃ2TÃÃX1ÃÃÃÃGÃÃ2TÃÃX2ÃÃÃÃGÃÃ2TÃÃX3ÃÃÃÃ
G1TX [0:3]: Gain adjustment TX
G2TX [0:3]: Gain adjustment TX after limiter
3: Enable functions receive
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ERX2 Free
ERXHF
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ERX [1:2]: Enable parts of RXLF
ERX1
ERXO EEA
EDEE GDEM
ERXHF: Enable RX mixer and IF-amplifier
ERXO:
Enable RXO output
EEA:
Enable earpiece amplifier
EDEE:
Enable demphasis (disable simultaneus bypass)
GDEM: Gain demodulator
TELEFUNKEN Semiconductors
Rev. A1, 29-Jul-96
Preliminary Information
15 (20)
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