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參數(shù)資料
型號: TPS65950ZXNT
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA209
封裝: 7 X 7 MM, 0.40 MM PITCH, PLASTIC, BGA-209
文件頁數(shù): 86/167頁
文件大?。?/td> 2566K
代理商: TPS65950ZXNT
TPS65950
Integrated Power Management/Audio Codec
www.ti.com
SWCS032 – OCTOBER 2008
Table 2-2. Signal Description (continued)
Configuration By Default After Reset
Released
Signal
Unused
Module
Description
Ball
Name
Internal
Signal
Pull or Not
VBAT.LEFT
Battery voltage input
Power
D10
VBAT.LEFT
Power
VBAT
VBAT.LEFT
Battery voltage input
Power
D9
VBAT.LEFT
Power
VBAT
IHF.LEFT.P
Hands-free speaker output left (P)
O
B9
IHF.LEFT.P
O
Floating
IHF.LEFT.M
Hands-free speaker output left (M)
O
B10
IHF.LEFT.M
O
Floating
Power
GND.LEFT
GND
C10
GND.LEFT
Power GND
GND
Power
GND.LEFT
GND
C9
GND.LEFT
Power GND
GND
Hands-free
VBAT.RIGHT
Battery voltage input
Power
D12
VBAT.RIGHT
Power
VBAT
VBAT.RIGHT
Battery voltage input
Power
D11
VBAT.RIGHT
Power
VBAT
Power
GND.RIGHT
GND
C12
GND.RIGHT
Power GND
GND
Power
GND.RIGHT
GND
C11
GND.RIGHT
Power GND
GND
IHF.RIGHT.P
Hands-free speaker output right (P)
O
B11
IHF.RIGHT.P
O
Floating
Hands-free speaker output right
IHF.RIGHT.M
O
B12
IHF.RIGHT.M
O
Floating
(M)
Earpiece output differential output
EAR.P
O
A6
EAR.P
O
Floating
(P)
Earpiece
Earpiece output differential output
EAR.M
O
A7
EAR.M
O
Floating
(M)
Differential/single-ended headset
HSOL
O
B4
HSOL
O
Floating
left output
Predriver output left P for external
PreDriv.LEFT
O
class-D amplifier
B7
VMID
Power
Floating
VMID
Pseudo-ground for headset output
Power
Headset
Differential/single-ended headset
HSOR
O
B5
HSOR
O
Floating
right output (P)
Predriver output right P for external
PreDriv.RIGHT
O
class-D amplifier
B8
ADCIN7
I
GND
ADCIN7
General-purpose ADC input 7
I
AUXL
Auxiliary audio input left
I
F1
AUXL
I
Cap to GND
AUX input
AUXR
Auxiliary audio input right
I
G1
AUXR
I
Cap to GND
MICBIAS1.
Analog microphone bias 1
Power
OUT
D1
MICBIAS1.OUT
Power
Floating
VMIC1.OUT
Digital microphone power supply 1
Power
MICBIAS2.
Analog microphone bias 2
Power
OUT
D2
MICBIAS2.OUT
Power
Floating
VMIC2.OUT
Digital microphone power supply 2
Power
VHSMIC.OUT
Headset microphone bias
Power
E4
VHSMIC.OUT
Power
Floating
VMIC BIAS
Power
MICBIAS.GND
Dedicated ground for microphones
D3
MICBIAS.GND
Power GND
GND
J4/J6/
AVSS1
J7/J8/E5
Power
AVSS2
R10
AVSS2
Analog ground
Power GND
GND
AVSS3
M15
AVSS3
AVSS4
C7
AVSS4
UART1.TXD
Headset UART transmit data
OD
B1
UART1.TXD
OD
PU
Floating
GPIO8
I/O
Headset
UART
Headset universal asynchronous
D8
GPIO8
I
PD
Floating
UART1.RXD
receiver/transmitter (UART) receive
I
data/switch detection
Terminal Description
25
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