SPRS457E
– MARCH 2009 – REVISED JUNE 2011
Table 2-5. Pin Descriptions (continued)
Name
BGA
Type
Group
Power
IPU
Reset
Description(4)
ID
(1)
Supply(2)
IPD(3)
State
ADC_CH0
E8
AI
ADC
VDDA18_ADC
Analog-to-Digital converter channel 0
Note: If the ADC is not used, it is recommended to
either leave this pin open, as no connect, or tie this
pin along with the other ADC_CHs together to a
single resistor to ground.
ADC_CH1
B7
AI
ADC
VDDA18_ADC
Analog-to-Digital converter channel 1
Note: If the ADC is not used, it is recommended to
either leave this pin open, as no connect, or tie this
pin along with the other ADC_CHs together to a
single resistor to ground.
ADC_CH2
A7
AI
ADC
VDDA18_ADC
Analog-to-Digital converter channel
Note: If the ADC is not used, it is recommended to
either leave this pin open, as no connect, or tie this
pin along with the other ADC_CHs together to a
single resistor to ground.
ADC_CH3
D8
AI
ADC
VDDA18_ADC
Analog-to-Digital converter channel 3
Note: If the ADC is not used, it is recommended to
either leave this pin open, as no connect, or tie this
pin along with the other ADC_CHs together to a
single resistor to ground.
ADC_CH4
D7
AI
ADC
VDDA18_ADC
Analog-to-Digital converter channel 4
Note: If the ADC is not used, it is recommended to
either leave this pin open, as no connect, or tie this
pin along with the other ADC_CHs together to a
single resistor to ground.
ADC_CH5
A6
AI
ADC
VDDA18_ADC
Analog-to-Digital converter channel 5
Note: If the ADC is not used, it is recommended to
either leave this pin open, as no connect, or tie this
pin along with the other ADC_CHs together to a
single resistor to ground.
VDDA18_ADC
G9
PWR
1.8- V Analog-to-Digital converter analog power
supply
Note: If the ADC is not used at all in an application,
this pin can be directly connected to the 1.8-V supply
without any filtering or to ground.
VSSA_ADC
F8
GND
1.8- V Analog-to-Digital converter ground
PWCTRIO0
J3
I/O/Z
PRTCS
VDD18_PRTCSS
Input
PRTCSS: General Input / Output Signal 0
S
Power Management and Real Time Clock
Subsystem (PRTCSS).
PWCTRIO1
J2
I/O/Z
PRTCS
VDD18_PRTCSS
Input
PRTCSS: General Input / Output Signal 1
S
Power Management and Real Time Clock
Subsystem (PRTCSS).
PWCTRIO2
J1
I/O/Z
PRTCS
VDD18_PRTCSS
Input
PRTCSS: General Input / Output Signal 2
S
Power Management and Real Time Clock
Subsystem (PRTCSS).
PWCTRIO3
J5
I/O/Z
PRTCS
VDD18_PRTCSS
Input
PRTCSS: General Input / Output Signal 3
S
Power Management and Real Time Clock
Subsystem (PRTCSS).
PWCTRIO4
J4
I/O/Z
PRTCS
VDD18_PRTCSS
Input
PRTCSS: General Input / Output Signal 4
S
Power Management and Real Time Clock
Subsystem (PRTCSS).
Copyright
2009–2011, Texas Instruments Incorporated
Device Overview
41