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參數資料
| 型號： | UBA1707 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Cordless telephone, answering machine line interface(無繩電話，電話應答機線接口) |
| 中文描述： | 無繩電話，應答機行界面（無繩電話，電話應答機線接口） |
| 文件頁數： | 17/36頁 |
| 文件大小： | 245K |
| 代理商： | UBA1707 |
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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
1: SWI1 switched on
0: SWI2 switched off
1: SWI2 switched on
0: SWI3 switched off
1: SWI3 switched on
must be set to logic 0
0: voltage regulation
1: current regulation
D0
(AD1, AD0) = (0,0)
0
SWC2
SWI2 output connection
D1
0
SWC3
SWI3 output connection
D2
0
un
CRC
unused
current regulation mode
D3
D4
0
0
Register 1: automatic gain control
RAGC1
AGC range selection 1
RAGC2
AGC range selection 2
SAGC
AGC slope selection
D0
D1
D2
(AD1, AD0) = (0,1)
0
0
0
0: 2.7 type slope; note 1
1: 1.9 type slope; note 1
0: AGC inhibited
1: AGC enabled
AGC
line loss compensation mode
D3
0
Register 2: loudspeaker channel
LSA1
loudspeaker channel input 1
selection
LSA2
loudspeaker channel input 2
selection
LSPD
loudspeaker channel power-down
0: LSAI1 unselected
1: LSAI1 selected
0: LSAI2 unselected
1: LSAI2 selected
0: channel on
1: channel in power-down
D0
(AD1, AD0) = (1,0)
0
D1
0
D2
0
VOL0
VOL1
VOL2
volume control (least significant bit)
volume control
volume control (most significant bit)
D3
D4
D5
0
0
0
Register 3: mute functions and power-down
AXM
auxiliary amplifier mute
0: amplifier enabled
1: amplifier muted
0: amplifier enabled
1: amplifier muted
0: normal operating mode
1: power-down mode
0: limiter enabled
1: limiter inhibited
D0
(AD1, AD0) = (1,1)
0
RXM
receive amplifier mute
D1
0
PD
reduced consumption mode
D2
1
DLCI
dynamic limiter inhibit
D3
0
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