LM3S6938 Luminary Micro, Inc, LM3S6938 Datasheet - Page 487

• Manufacturer Part Number: LM3S6938
• Description: Lm3s6938 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

July 25, 2008
Pin Number
G10
G11
G12
H10
H11
H12
K10
J10
J12
K11
J11
G2
G3
H1
H2
H3
K1
K2
K3
K4
K5
K6
K7
K8
K9
J1
J2
J3
XTALNPHY
XTALPPHY
Pin Name
ERBIAS
GNDPHY
VDD25
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
XOSC0
U1Tx
U1Rx
LED1
LED0
U2Rx
U2Tx
PD1
PD3
PD2
GND
RST
PF1
GND
GND
PF2
PF3
PG0
PG1
GND
GND
GND
Preliminary
Pin Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
I
I
I
I
I
I
Buffer Type
Analog
Analog
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
Description
GPIO port D bit 1
Positive supply for most of the logic function,
including the processor core and most
peripherals.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
GPIO port D bit 3
UART module 1 transmit. When in IrDA mode,
this signal has IrDA modulation.
GPIO port D bit 2
UART module 1 receive. When in IrDA mode,
this signal has IrDA modulation.
Ground reference for logic and I/O pins.
Positive supply for I/O and some logic.
System reset input.
GPIO port F bit 1
XTALN of the Ethernet PHY
XTALP of the Ethernet PHY
Ground reference for logic and I/O pins.
Ground reference for logic and I/O pins.
GPIO port F bit 2
MII LED 1
GPIO port F bit 3
MII LED 0
GPIO port G bit 0
UART 2 Receive. When in IrDA mode, this
signal has IrDA modulation.
GPIO port G bit 1
UART 2 Transmit. When in IrDA mode, this
signal has IrDA modulation.
12.4 KOhm resistor (1% precision) used
internally for Ethernet PHY.
GND of the Ethernet PHY
Ground reference for logic and I/O pins.
Ground reference for logic and I/O pins.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
Ground reference for logic and I/O pins.
Hibernation Module oscillator crystal input or
an external clock reference input. Note that
this is either a 4.19-MHz crystal or a
32.768-kHz oscillator for the Hibernation
Module RTC. See the CLKSEL bit in the
HIBCTL register.
LM3S6938 Microcontroller
487