LM3S1N16 Datasheet, PDF (740/794 Pages) Texas Instruments – Stellaris® LM3S1N16 Microcontroller

Signal Tables
Table 18-4. Signals by Function, Except for GPIO (continued)
Function
Pin Name Pin Number Pin Type Buffer Type^a
Description
SSI0Clk
19
I/O
TTL
SSI module 0 clock.
SSI0Fss
20
I/O
TTL
SSI module 0 frame.
SSI0Rx
21
I
TTL
SSI module 0 receive.
SSI0Tx
22
O
TTL
SSI module 0 transmit.
SSI
SSI1Clk
6
I/O
TTL
SSI module 1 clock.
SSI1Fss
5
I/O
TTL
SSI module 1 frame.
SSI1Rx
2
I
TTL
SSI module 1 receive.
SSI1Tx
1
O
TTL
SSI module 1 transmit.
NMI
55
I
TTL
Non-maskable interrupt.
System Control &
Clocks
OSC0
OSC1
30
I
Analog Main oscillator crystal input or an external clock
reference input.
31
O
Analog Main oscillator crystal output. Leave unconnected
when using a single-ended clock source.
RST
40
I
TTL
System reset input.
U0Rx
17
I
TTL
UART module 0 receive. When in IrDA mode, this
signal has IrDA modulation.
U0Tx
18
O
TTL
UART module 0 transmit. When in IrDA mode, this
signal has IrDA modulation.
UART
U1Rx
U1Tx
15
I
TTL
UART module 1 receive. When in IrDA mode, this
17
signal has IrDA modulation.
41
58
61
63
16
O
TTL
UART module 1 transmit. When in IrDA mode, this
18
signal has IrDA modulation.
42
57
62
64
U2Rx
58
I
TTL
UART module 2 receive. When in IrDA mode, this
61
signal has IrDA modulation.
U2Tx
8
O
TTL
UART module 2 transmit. When in IrDA mode, this
62
signal has IrDA modulation.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
Table 18-5. GPIO Pins and Alternate Functions
IO
Pin
Analog
Function
1
2
Digital Function (GPIOPCTL PMCx Bit Field Encoding)^a
3
4
5
6
7
8
9
10
11
PA0 17
-
U0Rx
-
-
-
-
-
- I2C1SCL U1Rx
-
-
PA1 18
-
U0Tx
-
-
-
-
-
- I2C1SDA U1Tx
-
-
PA2 19
- SSI0Clk -
-
-
-
-
-
-
-
-
-
PA3 20
- SSI0Fss -
-
-
-
-
-
-
-
-
-
PA4 21
- SSI0Rx -
-
-
-
-
-
-
-
-
-
PA5 22
- SSI0Tx -
-
-
-
-
-
-
-
-
-
PA6 25
- I2C1SCL CCP1
-
-
-
-
-
-
-
-
-
740
January 21, 2012
Texas Instruments-Production Data