LM3S6422 Datasheet, PDF (553/609 Pages) Texas Instruments – Stellaris® LM3S6422 Microcontroller

Stellaris^® LM3S6422 Microcontroller
Table 16-6. Signals by Signal Name (continued)
Pin Name
Pin Number Pin Type Buffer Type^a Description
U0Rx
L3
I
TTL
UART module 0 receive. When in IrDA mode, this signal has
IrDA modulation.
U0Tx
M3
O
TTL
UART module 0 transmit. When in IrDA mode, this signal has
IrDA modulation.
VCCPHY
C10
-
Power VCC of the Ethernet PHY.
D10
D11
VDD
L12
-
Power Positive supply for I/O and some logic.
VDD25
C3
-
Power Positive supply for most of the logic function, including the
D3
processor core and most peripherals.
F3
G3
VDD33
E10
-
Power Positive supply for I/O and some logic.
G10
G11
G12
H10
K7
K8
K9
VDDA
C6
-
Power The positive supply for the analog circuits (ADC, Analog
C7
Comparators, etc.). These are separated from VDD to
minimize the electrical noise contained on VDD from affecting
the analog functions. VDDA pins must be supplied with a
voltage that meets the specification in “Recommended DC
Operating Conditions” on page 560, regardless of system
implementation.
XTALNPHY
J1
O
TTL
Ethernet PHY XTALN 25-MHz oscillator crystal output.
Connect this pin to ground 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.
16.2.3 Signals by Function, Except for GPIO
Table 16-7. Signals by Function, Except for GPIO
Function
Pin Name
ADC
ADC0
ADC1
C0+
C0-
C0o
Analog Comparators
C1+
C1-
C1o
Pin Number
B1
A1
A7
A6
F1
M1
B7
M1
Pin Type
I
I
I
I
O
I
I
O
Buffer Type^a
Description
Analog Analog-to-digital converter input 0.
Analog Analog-to-digital converter input 1.
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.
June 18, 2012
553
Texas Instruments-Production Data