LM3S6952 Datasheet, PDF (571/626 Pages) Texas Instruments – Stellaris LM3S6952 Microcontroller

Stellaris® LM3S6952 Microcontroller
Table 21-6. Signals by Signal Name (continued)
Pin Name
Pin Number Pin Type Buffer Type^a Description
XOSC0
K11
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
K12
O
Analog Hibernation module oscillator crystal output. Leave
unconnected when using a single-ended clock source.
XTALNPHY
J1
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
J2
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 21-7. Signals by Function, Except for GPIO
Function
Pin Name
ADC
ADC0
ADC1
ADC2
Analog Comparators C0+
C0-
C0o
C1+
C1-
C1o
C2+
C2-
Pin Number
B1
A1
B3
A7
A6
A7
M1
B7
M1
M2
L2
Pin Type
I
I
I
I
I
O
I
I
O
I
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 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.
TTL
Analog comparator 1 output.
Analog Analog comparator 2 positive input.
Analog Analog comparator 2 negative input.
April 05, 2010
571
Texas Instruments-Production Data