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LM3S6537_16 Datasheet, PDF (667/739 Pages) Texas Instruments – Stellaris LM3S6537 Microcontroller
Stellaris® LM3S6537 Microcontroller
Table 19-6. Signals by Signal Name (continued)
Pin Name
Pin Number Pin Type Buffer Typea Description
LDO
E3
-
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).
LED0
J12
O
TTL
Ethernet LED 0.
LED1
J11
O
TTL
Ethernet LED 1.
MDIO
L9
I/O
TTL
MDIO of the Ethernet PHY.
NC
A2
-
-
No connect. Leave the pin electrically unconnected/isolated.
A3
A4
B4
C1
C2
D1
D2
L2
OSC0
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.
PA0
L3
I/O
TTL
GPIO port A bit 0.
PA1
M3
I/O
TTL
GPIO port A bit 1.
PA2
M4
I/O
TTL
GPIO port A bit 2.
PA3
L4
I/O
TTL
GPIO port A bit 3.
PA4
L5
I/O
TTL
GPIO port A bit 4.
PA5
M5
I/O
TTL
GPIO port A bit 5.
PA6
L6
I/O
TTL
GPIO port A bit 6.
PA7
M6
I/O
TTL
GPIO port A bit 7.
PB0
E12
I/O
TTL
GPIO port B bit 0.
PB1
D12
I/O
TTL
GPIO port B bit 1.
PB2
C11
I/O
TTL
GPIO port B bit 2.
PB3
C12
I/O
TTL
GPIO port B bit 3.
PB4
A6
I/O
TTL
GPIO port B bit 4.
PB5
B7
I/O
TTL
GPIO port B bit 5.
PB6
A7
I/O
TTL
GPIO port B bit 6.
PB7
A8
I/O
TTL
GPIO port B bit 7.
PC0
A9
I/O
TTL
GPIO port C bit 0.
PC1
B9
I/O
TTL
GPIO port C bit 1.
PC2
B8
I/O
TTL
GPIO port C bit 2.
PC3
A10
I/O
TTL
GPIO port C bit 3.
PC4
L1
I/O
TTL
GPIO port C bit 4.
PC5
M1
I/O
TTL
GPIO port C bit 5.
PC6
M2
I/O
TTL
GPIO port C bit 6.
PD0
G1
I/O
TTL
GPIO port D bit 0.
PD1
G2
I/O
TTL
GPIO port D bit 1.
July 15, 2014
667
Texas Instruments-Production Data