Table 26-4. Signals by Function, Except for GPIO (continued)
DescriptionBuffer TypePin TypePin NumberPin NameFunction
UART module 0 Clear To Send modem flow control
input signal.
TTLI30
74
121
U0CTS
UART
UART module 0 Data Carrier Detect modem status
input signal.
TTLI31
73
104
U0DCD
UART module 0 Data Set Ready modem output
control line.
TTLI32
72
105
U0DSR
UART module 0 Data Terminal Ready modem
status input signal.
TTLO103U0DTR
UART module 0 Ring Indicator modem status input
signal.
TTLI60
71
U0RI
UART module 0 Request to Send modem flow
control output signal.
TTLO29
120
U0RTS
UART module 0 receive.TTLI33U0Rx
UART module 0 transmit.TTLO34U0Tx
UART module 1 Clear To Send modem flow control
input signal.
TTLI104
108
U1CTS
UART module 1 Data Carrier Detect modem status
input signal.
TTLI13
109
U1DCD
UART module 1 Data Set Ready modem output
control line.
TTLI14
110
U1DSR
UART module 1 Data Terminal Ready modem
status input signal.
TTLO12
111
U1DTR
UART module 1 Ring Indicator modem status input
signal.
TTLI112
123
U1RI
UART module 1 Request to Send modem flow
control output line.
TTLO15
107
U1RTS
UART module 1 receive.TTLI95
102
U1Rx
UART module 1 transmit.TTLO96U1Tx
UART module 2 Clear To Send modem flow control
input signal.
TTLI110
128
U2CTS
UART module 2 Request to Send modem flow
control output line.
TTLO109
127
U2RTS
UART module 2 receive.TTLI40
125
U2Rx
UART module 2 transmit.TTLO41
126
U2Tx
UART module 3 Clear To Send modem flow control
input signal.
TTLI106
112
U3CTS
UART module 3 Request to Send modem flow
control output line.
TTLO105
111
U3RTS
UART module 3 receive.TTLI37
116
U3Rx
UART module 3 transmit.TTLO38
117
U3Tx
TTLI21U4CTS
June 18, 20141806
Texas Instruments-Production Data
Signal Tables