LM3S6753 Datasheet, PDF (557/625 Pages) Texas Instruments – Stellaris LM3S6753 Microcontroller

Stellaris® LM3S6753 Microcontroller
Table 21-2. Signals by Signal Name (continued)
Pin Name
Pin Number Pin Type Buffer Type^a Description
XOSC0
52
I
Analog Hibernation module oscillator crystal input or an external clock
reference input. Note that this is either a 4.194304-MHz crystal
or a 32.768-kHz oscillator for the Hibernation module RTC.
See the CLKSEL bit in the HIBCTL register.
XOSC1
53
O
Analog Hibernation module oscillator crystal output. Leave
unconnected when using a single-ended clock source.
XTALNPHY
17
O
TTL
Ethernet PHY XTALN 25-MHz oscillator crystal output. Leave
unconnected when using a single-ended 25-MHz clock input
connected to the XTALPPHY pin.
XTALPPHY
16
I
TTL
Ethernet PHY XTALP 25-MHz oscillator crystal input or
external clock reference input.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
Table 21-3. Signals by Function, Except for GPIO
Function
Pin Name
ADC
ADC0
ADC1
ADC2
ADC3
Analog Comparators C0+
C0-
C0o
C1+
C1-
Ethernet
ERBIAS
Pin Number
1
2
5
6
90
92
100
24
91
41
Pin Type
I
I
I
I
I
I
O
I
I
I
GNDPHY
42
-
85
86
LED0
59
O
LED1
60
O
MDIO
58
I/O
RXIN
37
I
RXIP
40
I
TXON
46
O
TXOP
43
O
VCCPHY
36
-
83
84
XTALNPHY
17
O
XTALPPHY
16
I
Buffer Type^a
Description
Analog Analog-to-digital converter input 0.
Analog Analog-to-digital converter input 1.
Analog Analog-to-digital converter input 2.
Analog Analog-to-digital converter input 3.
Analog Analog comparator 0 positive input.
Analog Analog comparator 0 negative input.
TTL
Analog comparator 0 output.
Analog Analog comparator 1 positive input.
Analog Analog comparator 1 negative input.
Analog
12.4-kΩ resistor (1% precision) used internally for
Ethernet PHY.
Power GND of the Ethernet PHY.
TTL
TTL
TTL
Analog
Analog
Analog
Analog
Power
Ethernet LED 0.
Ethernet LED 1.
MDIO of the Ethernet PHY.
RXIN of the Ethernet PHY.
RXIP of the Ethernet PHY.
TXON of the Ethernet PHY.
TXOP of the Ethernet PHY.
VCC of the Ethernet PHY.
TTL
Ethernet PHY XTALN 25-MHz oscillator crystal
output. Leave unconnected when using a
single-ended 25-MHz clock input connected to the
XTALPPHY pin.
TTL
Ethernet PHY XTALP 25-MHz oscillator crystal
input or external clock reference input.
April 05, 2010
557
Texas Instruments-Production Data