Datasheet

TPS65950
SWCS032E–OCTOBER 2008–REVISED JANUARY 2011 www.ti.com
Table 2-2. Signal Description (continued)
Configuration By Default After Reset
Released
Signal Unused
Module Description Type
(1)
Ball
Name Features
(2)
Internal
Signal Type
(1)
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
GND
Power
GND.LEFT GND C9 GND.LEFT Power GND 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
GND
Power
GND.RIGHT GND C11 GND.RIGHT Power GND 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 GP 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
GND
J4/J6/
AVSS1 AVSS1
J7/J8/E5
Power
AVSS2 R10 AVSS2
Analog ground Power GND GND
GND
AVSS3 M15 AVSS3
AVSS4 C7 AVSS4
UART1.TXD Headset UART transmit data OD B1 UART1.TXD OD PU Floating
GPIO8 GPIO8 I/O
Headset
UART
Headset universal asynchronous
D8 GPIO8 I PD Floating
UART1.RXD receiver/transmitter (UART) receive I
data/switch detection
22 Terminal Description Copyright © 2008–2011, Texas Instruments Incorporated
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