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UBA1707TS Datasheet(PDF) 17 Page - NXP Semiconductors

Part # UBA1707TS
Description  Cordless telephone, answering machine line interface
PDF  36 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

UBA1707TS Datasheet(HTML) 17 Page - NXP Semiconductors

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1999 Feb 17
17
Philips Semiconductors
Product specification
Cordless telephone, answering machine
line interface
UBA1707
Table 1
Register description
Note
1. See Section “Automatic gain control (pin AGC; bits RAGC1, RAGC2, SAGC and AGC)”.
BIT
NAME
FUNCTION
POLARITY
DATA
ADDRESS
STATE AT
POWER-UP
RESET
Register 0: general purpose switches state and DC mask regulation mode
SWC1
SWI1 output connection
0: SWI1 switched off
D0
(AD1, AD0) = (0,0)
0
1: SWI1 switched on
SWC2
SWI2 output connection
0: SWI2 switched off
D1
0
1: SWI2 switched on
SWC3
SWI3 output connection
0: SWI3 switched off
D2
0
1: SWI3 switched on
un
unused
must be set to logic 0
D3
0
CRC
current regulation mode
0: voltage regulation
D4
0
1: current regulation
Register 1: automatic gain control
RAGC1
AGC range selection 1
D0
(AD1, AD0) = (0,1)
0
RAGC2
AGC range selection 2
D1
0
SAGC
AGC slope selection
0: 2.7 type slope; note 1
D2
0
1: 1.9 type slope; note 1
AGC
line loss compensation mode
0: AGC inhibited
D3
0
1: AGC enabled
Register 2: loudspeaker channel
LSA1
loudspeaker channel input 1
selection
0: LSAI1 unselected
D0
(AD1, AD0) = (1,0)
0
1: LSAI1 selected
LSA2
loudspeaker channel input 2
selection
0: LSAI2 unselected
D1
0
1: LSAI2 selected
LSPD
loudspeaker channel power-down
0: channel on
D2
0
1: channel in power-down
VOL0
volume control (least significant bit)
D3
0
VOL1
volume control
D4
0
VOL2
volume control (most significant bit)
D5
0
Register 3: mute functions and power-down
AXM
auxiliary amplifier mute
0: amplifier enabled
D0
(AD1, AD0) = (1,1)
0
1: amplifier muted
RXM
receive amplifier mute
0: amplifier enabled
D1
0
1: amplifier muted
PD
reduced consumption mode
0: normal operating mode
D2
1
1: power-down mode
DLCI
dynamic limiter inhibit
0: limiter enabled
D3
0
1: limiter inhibited



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