參數資料
型號: TWL1103GQER
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA80
封裝: PLASTIC, BGA-80
文件頁數: 12/32頁
文件大?。?/td> 476K
代理商: TWL1103GQER
TWL1103
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS108A – JULY 2000 – JANUARY 2001
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
PCMI (15)
PCMSYN (18)
PCMCLK (17)
MIC1P (2)
MIC1N (3)
MIC2P (4)
MIC2N (5)
MIC
Amplifier
1 g =
23.5 dB
MIC
Amplifier 2
g = 12 dB
or 0 dB
Analog
Modulator
TX Filter
and PGA
g = –10 dB
to 0 dB
PCM
Interface
Sidetone
g = –24 dB
to
–12 dB
RX
Control
g = –18 dB
to 0 dB
RX Filter
and PGA
g = –6 dB
to +6 dB
Digital
Modulator
and Filter
Ear
Amp1
Ear
Amp2
DTMF
Generator
Control Bus
I 2 C
I/F
REF
PLL
Buzzer
Control
Power
SCL
SDA
MBIAS
REXT
MCLK
RESET
SS
EARV
DD
EARV
SS
PLLV
DD
PLLV
SS
DV
DD
DV
SS
AV
DD
AV
SS
V
PWRUPSEL (20)
PCMO (16)
EAR1OP (29) EAR1ON (27) EAR2O (31)
BUZZCON (19)
Volume
and
RESET
(23)
(32)
(8)
(13)
(14)
(25)
(24)
(28)
(30, 26)
(21)
(22)
(6)
(1)
(11)
(12)
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