LM3S1968 Datasheet, PDF (648/709 Pages) List of Unclassifed Manufacturers – Microcontroller

Signal Tables
Table 19-7. Signals by Function, Except for GPIO (continued)
Function
Pin Name Pin Number Pin Type Buffer Type^a
Description
SSI0Clk
M4
I/O
TTL
SSI module 0 clock.
SSI0Fss
L4
I/O
TTL
SSI module 0 frame signal.
SSI0Rx
L5
I
TTL
SSI module 0 receive.
SSI0Tx
M5
O
TTL
SSI module 0 transmit.
SSI
SSI1Clk
A11
I/O
TTL
SSI module 1 clock.
SSI1Fss
B12
I/O
TTL
SSI module 1 frame signal.
SSI1Rx
B11
I
TTL
SSI module 1 receive.
SSI1Tx
A12
O
TTL
SSI module 1 transmit.
CMOD0
E11
I
TTL
CPU Mode bit 0. Input must be set to logic 0
(grounded); other encodings reserved.
System Control &
Clocks
CMOD1
OSC0
B10
I
TTL
CPU Mode bit 1. Input must be set to logic 0
(grounded); other encodings reserved.
L11
I
Analog Main oscillator crystal input or an external clock
reference input.
OSC1
M11
O
Analog Main oscillator crystal output. Leave unconnected
when using a single-ended clock source.
RST
H11
I
TTL
System reset input.
U0Rx
L3
I
TTL
UART module 0 receive. When in IrDA mode, this
signal has IrDA modulation.
U0Tx
M3
O
TTL
UART module 0 transmit. When in IrDA mode, this
signal has IrDA modulation.
UART
U1Rx
U1Tx
H2
I
TTL
UART module 1 receive. When in IrDA mode, this
signal has IrDA modulation.
H1
O
TTL
UART module 1 transmit. When in IrDA mode, this
signal has IrDA modulation.
U2Rx
K1
I
TTL
UART module 2 receive. When in IrDA mode, this
signal has IrDA modulation.
U2Tx
K2
O
TTL
UART module 2 transmit. When in IrDA mode, this
signal has IrDA modulation.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
19.2.4 GPIO Pins and Alternate Functions
Table 19-8. GPIO Pins and Alternate Functions
IO
Pin Number
PA0
L3
PA1
M3
PA2
M4
PA3
L4
PA4
L5
PA5
M5
PA6
L6
PA7
M6
PB0
E12
PB1
D12
Multiplexed Function
U0Rx
U0Tx
SSI0Clk
SSI0Fss
SSI0Rx
SSI0Tx
I2C1SCL
I2C1SDA
CCP0
CCP2
Multiplexed Function
648
July 15, 2014
Texas Instruments-Production Data