LM3S8971 Luminary Micro, Inc, LM3S8971 Datasheet - Page 549

• Manufacturer Part Number: LM3S8971
• Description: Lm3s8971 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

July 26, 2008
Pin Name
GNDPHY
GNDPHY
GNDPHY
GNDA
GNDA
IDX0
LED0
LED1
MDIO
OSC0
OSC1
HIB
LDO
PA0
PA1
PA2
PA3
PA4
PA5
NC
NC
NC
NC
NC
NC
NC
NC
Pin Number
M12
M11
C11
J12
J11
L11
M3
M4
M5
B5
A5
K4
C8
C9
E3
E1
E2
D1
D2
C2
C1
L9
F2
F1
L3
L4
L5
Preliminary
Pin Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
-
-
-
-
-
-
-
-
-
-
-
I
I
I
I
I
Buffer Type
Analog
Analog
Power
Power
Power
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
-
-
-
-
-
-
-
-
Description
The ground reference for the analog circuits
(ADC, Analog Comparators, etc.). These are
separated from GND to minimize the electrical
noise contained on VDD from affecting the
analog functions.
The ground reference for the analog circuits
(ADC, Analog Comparators, etc.). These are
separated from GND to minimize the electrical
noise contained on VDD from affecting the
analog functions.
GND of the Ethernet PHY
GND of the Ethernet PHY
GND of the Ethernet PHY
An output that indicates the processor is in
hibernate mode.
QEI module 0 index
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).
MII LED 0
MII LED 1
MDIO of the Ethernet PHY
No connect. Leave the pin electrically
unconnected/isolated.
No connect. Leave the pin electrically
unconnected/isolated.
No connect. Leave the pin electrically
unconnected/isolated.
No connect. Leave the pin electrically
unconnected/isolated.
No connect. Leave the pin electrically
unconnected/isolated.
No connect. Leave the pin electrically
unconnected/isolated.
No connect. Leave the pin electrically
unconnected/isolated.
No connect. Leave the pin electrically
unconnected/isolated.
Main oscillator crystal input or an external
clock reference input.
Main oscillator crystal output.
GPIO port A bit 0
GPIO port A bit 1
GPIO port A bit 2
GPIO port A bit 3
GPIO port A bit 4
GPIO port A bit 5
LM3S8971 Microcontroller
549