LM3S1651 Datasheet, PDF (962/1033 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Signal Tables
Table 21-9. Signals by Function, Except for GPIO (continued)
Function
Pin Name Pin Number Pin Type Buffer Type^a
Description
IDX0
G1
I
TTL
QEI module 0 index.
M7
A11
A7
A6
A2
IDX1
J1
I
TTL
QEI module 1 index.
H12
D11
PhA0
G2
I
TTL
QEI module 0 phase A.
L1
M8
QEI
A4
PhA1
L7
I
TTL
QEI module 1 phase A.
B4
PhB0
L2
I
TTL
QEI module 0 phase B.
M2
K4
M9
D10
B4
PhB1
G2
I
TTL
QEI module 1 phase B.
C10
A4
SSI0Clk
M4
I/O
TTL
SSI module 0 clock.
SSI0Fss
L4
I/O
TTL
SSI module 0 frame.
SSI0Rx
L5
I
TTL
SSI module 0 receive.
SSI0Tx
M5
O
TTL
SSI module 0 transmit.
SSI1Clk
J11
I/O
TTL
SSI module 1 clock.
B11
B10
SSI
SSI1Fss
J12
I/O
TTL
SSI module 1 frame.
F10
A12
SSI1Rx
L9
G3
A4
I
TTL
SSI module 1 receive.
SSI1Tx
H3
O
TTL
SSI module 1 transmit.
L8
B4
NMI
A8
I
TTL
Non-maskable interrupt.
System Control &
Clocks
OSC0
OSC1
L11
I
Analog Main oscillator crystal input or an external clock
reference input.
M11
O
Analog Main oscillator crystal output. Leave unconnected
when using a single-ended clock source.
RST
H11
I
TTL
System reset input.
962
January 21, 2012
Texas Instruments-Production Data