
TPS65950
Integrated Power Management/Audio Codec
SWCS032 – OCTOBER 2008
www.ti.com
Table 2-2. Signal Description (continued)
Configuration By Default After Reset
Released
Signal
Unused
Module
Description
Ball
Name
Internal
Signal
Pull or Not
SYSEN
System enable output
OD/I
C13
SYSEN
OD
PU
Floating
CLKEN
Clock enable
O
C6
CLKEN
O
Floating
CLKEN2
Clock enable 2
O
D7
CLKEN2
O
Floating
CLKREQ
Clock request
I
G10
CLKREQ
I
PD
GND
INT1
Output interrupt line 1
O
F10
INT1
O
Floating
INT2
Output interrupt line 2
O
F9
INT2
O
Floating
Output control the NRESPWRON
NRESPWRON
O
A13
NRESPWRON
O
Floating
of the application processor
Input, detect user action on the
NRESWARM
I
B13
NRESWARM
I
GND
reset button
Input, detect a control command to
PWRON
I
A11
PWRON
I
VBAT
start or stop the system
CONTROL
NC
Not connected
B14
NC
Floating
NSLEEP1
Sleep request from device 1
I
P7
NSLEEP1
I
GND
NSLEEP2
Sleep request from device 2
I
G9
NSLEEP2
I
GND
CLK256FS
Control for 256
× F
S CLK output
O
D13
CLK256FS
O
Floating
Digital voltage scaling linked with
VMODE1
I
F8
VMODE1
I
GND
VDD1
BOOT0
Boot pin 0
I
K11
BOOT0
I
PD
N/A
BOOT1
Boot pin 1
I
J11
BOOT1
I
PD
N/A
REGEN
Enable signal for external LDO
OD
A10
REGEN
OD
PU
Floating
Security and digital rights
MSECURE
I
H8
MSECURE
I
N/A
management
VREF
Reference voltage
Power
N16
VREF
Power
N/A
VREF
Analog ground for reference
Power
AGND
N15
AGND
Power GND
GND
voltage
GND
NC
Not connected
Signal not
C4
Floating
I2C.SR.SDA
I/O
SmartReflex I2C data
I2C
Digital voltage scaling linked with
SmartReflex
VMODE2
I
VDD2
D6
VMODE2
I
GND
I2C.SR.SCL
I/O
SmartReflex I2C data
I2C.CNTL.SDA
I/O
D4
I2C.CNTL.SDA
I/O
PU
N/A
General-purpose I2C data
I2C
I2C.CNTL.SCL
I/O
D5
I2C.CNTL.SCL
I/O
PU
N/A
General-purpose I2C clock
PCM.VCK
Data clock (voice port)
I/O
R1
PCM.VCK
I/O
Floating
PCM.VDR
Data receive (voice port)
I/O
T2
PCM.VDR
I/O
GND
PCM
PCM.VDX
Data transmit (voice port)
I/O
T15
PCM.VDX
I/O
Floating
PCM.VFS
Frame synchronization (voice port)
I/O
R16
PCM.VFS
I/O
Floating
I2S.CLK
Clock signal (audio port)
I/O
L3
I2S.CLK
I/O
Floating
I2S.SYNC
Synchronization signal (audio port)
I/O
K6
I2S.SYNC
I/O
Floating
TDM
I2S.DIN
Data receive (audio port)
I
K4
I2S.DIN
I
GND
I2S.DOUT
Data transmit (audio port)
O
K3
I2S.DOUT
O
Floating
MIC.MAIN.P
Main microphone left input (P)
I
E2
MIC.MAIN.P
I
Cap to GND
MIC.MAIN.M
Main microphone left input (M)
I
F2
MIC.MAIN.M
I
Cap to GND
MIC.SUB.P
Main microphone right input (P)
I
ANA.MIC
G2
MIC.SUB.P
I
Cap to GND
DIG.MIC.0
Digital microphone 0 input data
I
MIC.SUB.M
Main microphone right input (M)
I
H2
MIC.SUB.M
I
Cap to GND
DIG.MIC.1
Digital microphone 1 input data
I
HSMIC.P
Headset microphone input (P)
I
E3
HSMIC.P
I
Cap to GND
Headset
microphone
HSMIC.M
Headset microphone input (M)
I
F3
HSMIC.M
I
Cap to GND
Terminal Description
24