LM3S8971 Datasheet, PDF (526/577 Pages) List of Unclassifed Manufacturers – Microcontroller

Signal Tables
Pin Name
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDA
GNDA
GNDPHY
GNDPHY
GNDPHY
GNDPHY
HIB
IDX0
LDO
LED0
LED1
MDIO
OSC0
OSC1
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
Pin Number
39
45
54
57
63
69
82
87
94
4
97
41
42
85
86
51
70
7
59
60
58
48
49
26
27
28
29
30
31
34
35
Pin Type
-
-
-
-
-
-
-
-
-
-
-
I
I
I
I
O
I
-
O
O
I/O
I
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Buffer Type Description
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power Ground reference for logic and I/O pins.
Power
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.
Power
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.
TTL
GND of the Ethernet PHY
TTL
GND of the Ethernet PHY
TTL
GND of the Ethernet PHY
TTL
GND of the Ethernet PHY
TTL
An output that indicates the processor is in
hibernate mode.
TTL
QEI module 0 index
Power
Low drop-out regulator output voltage. This
pin requires an external capacitor between
the pin and GND of 1 µF or greater. When the
on-chip LDO is used to provide power to the
logic, the LDO pin must also be connected to
the VDD25 pins at the board level in addition
to the decoupling capacitor(s).
TTL
MII LED 0
TTL
MII LED 1
TTL
MDIO of the Ethernet PHY
Analog
Main oscillator crystal input or an external
clock reference input.
Analog Main oscillator crystal output.
TTL
GPIO port A bit 0
TTL
GPIO port A bit 1
TTL
GPIO port A bit 2
TTL
GPIO port A bit 3
TTL
GPIO port A bit 4
TTL
GPIO port A bit 5
TTL
GPIO port A bit 6
TTL
GPIO port A bit 7
526
October 01, 2007
Preliminary