LM3S5739 Datasheet, PDF (786/856 Pages) Texas Instruments – Stellaris® LM3S5739 Microcontroller

Signal Tables
Table 20-3. Signals by Function, Except for GPIO (continued)
Function
Pin Name Pin Number Pin Type Buffer Type^a
Description
SSI0Clk
28
I/O
TTL
SSI module 0 clock.
SSI0Fss
29
I/O
TTL
SSI module 0 frame.
SSI0Rx
30
I
TTL
SSI module 0 receive.
SSI0Tx
31
O
TTL
SSI module 0 transmit.
SSI
SSI1Clk
74
I/O
TTL
SSI module 1 clock.
SSI1Fss
75
I/O
TTL
SSI module 1 frame.
SSI1Rx
95
I
TTL
SSI module 1 receive.
SSI1Tx
96
O
TTL
SSI module 1 transmit.
NMI
89
I
TTL
Non-maskable interrupt.
System Control &
Clocks
OSC0
OSC1
48
I
Analog Main oscillator crystal input or an external clock
reference input.
49
O
Analog Main oscillator crystal output. Leave unconnected
when using a single-ended clock source.
RST
64
I
TTL
System reset input.
U0Rx
26
I
TTL
UART module 0 receive. When in IrDA mode, this
signal has IrDA modulation.
U0Tx
27
O
TTL
UART module 0 transmit. When in IrDA mode, this
signal has IrDA modulation.
UART
U1Rx
U1Tx
66
I
TTL
UART module 1 receive. When in IrDA mode, this
signal has IrDA modulation.
67
O
TTL
UART module 1 transmit. When in IrDA mode, this
signal has IrDA modulation.
U2Rx
10
I
TTL
UART module 2 receive. When in IrDA mode, this
signal has IrDA modulation.
U2Tx
11
O
TTL
UART module 2 transmit. When in IrDA mode, this
signal has IrDA modulation.
USB0DM
70
I/O
Analog Bidirectional differential data pin (D- per USB
specification) for USB0.
USB0DP
71
I/O
Analog Bidirectional differential data pin (D+ per USB
specification) for USB0.
USB
USB0EPEN
83
O
TTL
Optionally used in Host mode to control an external
power source to supply power to the USB bus.
USB0PFLT
76
I
TTL
Optionally used in Host mode by an external power
source to indicate an error state by that power
source.
USB0RBIAS
73
O
Analog 9.1-kΩ resistor (1% precision) used internally for
USB analog circuitry.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
Table 20-4. GPIO Pins and Alternate Functions
IO
Pin Number
PA0
26
PA1
27
PA2
28
PA3
29
PA4
30
Multiplexed Function
U0Rx
U0Tx
SSI0Clk
SSI0Fss
SSI0Rx
Multiplexed Function
786
November 17, 2011
Texas Instruments-Production Data