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LM3S1968 Datasheet, PDF (628/709 Pages) List of Unclassifed Manufacturers – Microcontroller
Signal Tables
Table 19-2. Signals by Signal Name (continued)
Pin Name
Pin Number Pin Type Buffer Typea Description
LDO
7
-
Power Low drop-out regulator output voltage. This pin requires an
external capacitor between the pin and GND of 1 µF or
greater. The LDO pin must also be connected to the VDD25
pins at the board level in addition to the decoupling
capacitor(s).
OSC0
48
I
Analog Main oscillator crystal input or an external clock reference
input.
OSC1
49
O
Analog Main oscillator crystal output. Leave unconnected when using
a single-ended clock source.
PA0
26
I/O
TTL
GPIO port A bit 0.
PA1
27
I/O
TTL
GPIO port A bit 1.
PA2
28
I/O
TTL
GPIO port A bit 2.
PA3
29
I/O
TTL
GPIO port A bit 3.
PA4
30
I/O
TTL
GPIO port A bit 4.
PA5
31
I/O
TTL
GPIO port A bit 5.
PA6
34
I/O
TTL
GPIO port A bit 6.
PA7
35
I/O
TTL
GPIO port A bit 7.
PB0
66
I/O
TTL
GPIO port B bit 0.
PB1
67
I/O
TTL
GPIO port B bit 1.
PB2
70
I/O
TTL
GPIO port B bit 2.
PB3
71
I/O
TTL
GPIO port B bit 3.
PB4
92
I/O
TTL
GPIO port B bit 4.
PB5
91
I/O
TTL
GPIO port B bit 5.
PB6
90
I/O
TTL
GPIO port B bit 6.
PB7
89
I/O
TTL
GPIO port B bit 7.
PC0
80
I/O
TTL
GPIO port C bit 0.
PC1
79
I/O
TTL
GPIO port C bit 1.
PC2
78
I/O
TTL
GPIO port C bit 2.
PC3
77
I/O
TTL
GPIO port C bit 3.
PC4
25
I/O
TTL
GPIO port C bit 4.
PC5
24
I/O
TTL
GPIO port C bit 5.
PC6
23
I/O
TTL
GPIO port C bit 6.
PC7
22
I/O
TTL
GPIO port C bit 7.
PD0
10
I/O
TTL
GPIO port D bit 0.
PD1
11
I/O
TTL
GPIO port D bit 1.
PD2
12
I/O
TTL
GPIO port D bit 2.
PD3
13
I/O
TTL
GPIO port D bit 3.
PE0
72
I/O
TTL
GPIO port E bit 0.
PE1
73
I/O
TTL
GPIO port E bit 1.
PE2
74
I/O
TTL
GPIO port E bit 2.
PE3
75
I/O
TTL
GPIO port E bit 3.
PF0
47
I/O
TTL
GPIO port F bit 0.
PF1
61
I/O
TTL
GPIO port F bit 1.
628
July 15, 2014
Texas Instruments-Production Data