Datasheet
Table 31-2. Signals by Pin Number (continued)
DescriptionBuffer TypePin TypePin NamePin Number
Positive supply for I/O and some logic.Power-VDD
P10
Ground reference for logic and I/O pins.Power-GND
P16
Positive supply for I/O and some logic.Power-VDD
P17
System reset input.TTLIRST
P18
Power source for the Hibernation module. It is normally connected
to the positive terminal of a battery and serves as the battery
backup/Hibernation module power-source supply.
Power-VBAT
P19
GPIO port H bit 2.TTLI/OPH2
R1
EPI module 0 signal 2.TTLI/OEPI0S2
UART module 0 Data Carrier Detect modem status input signal.TTLIU0DCD
GPIO port H bit 1.TTLI/OPH1
R2
EPI module 0 signal 1.TTLI/OEPI0S1
UART module 0 Clear To Send modem flow control input signal.TTLIU0CTS
GPIO port H bit 4.TTLI/OPH4
R3
UART module 0 Data Terminal Ready modem status input signal.TTLOU0DTR
GPIO port A bit 7.TTLI/OPA7
R7
EPI module 0 signal 9.TTLI/OEPI0S9
I
2
C module 6 data.ODI/OI2C6SDA
SSI Module 0 Bi-directional Data Pin 3.TTLI/OSSI0XDAT3
16/32-Bit Timer 3 Capture/Compare/PWM 1.TTLI/OT3CCP1
UART module 2 transmit.TTLOU2Tx
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
TTLOUSB0EPEN
Optionally used in Host mode by an external power source to
indicate an error state by that power source.
TTLIUSB0PFLT
GPIO port R bit 7.TTLI/OPR7
R10
Ethernet 0 Transmit Enable.TTLOEN0TXEN
I
2
C module 4 data.ODI/OI2C4SDA
LCD Data Pin 5 input/output.TTLI/OLCDDATA05
Motion Control Module 0 PWM 7. This signal is controlled by
Module 0 PWM Generator 3.
TTLOM0PWM7
16/32-Bit Timer 1 Capture/Compare/PWM 1.TTLI/OT1CCP1
GPIO port S bit 7.TTLI/OPS7
R13
Ethernet 0 Receive Data Valid.TTLIEN0RXDV
LCD Data Pin 9 input/output.TTLI/OLCDDATA09
16/32-Bit Timer 5 Capture/Compare/PWM 1.TTLI/OT5CCP1
Ground reference for logic and I/O pins.Power-GND
R17
GND for the Hibernation oscillator. When using a crystal clock
source, this pin should be connected to digital ground along with
the crystal load capacitors. When using an external oscillator, this
pin should be connected to digital ground.
Power-GNDX
R18
GPIO port H bit 3.TTLI/OPH3
T1
EPI module 0 signal 3.TTLI/OEPI0S3
UART module 0 Data Set Ready modem output control line.TTLIU0DSR
December 13, 20132048
Texas Instruments-Advance Information
Signal Tables