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LM3S8938 Datasheet, PDF (497/550 Pages) List of Unclassifed Manufacturers – Microcontroller
LM3S8938 Microcontroller
Pin Number
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Pin Name
VDD25
GND
XTALPPHY
XTALNPHY
PG1
U2Tx
PG0
U2Rx
VDD
GND
C2-
PC7
C2+
C2o
PC6
C1+
C1o
PC5
CCP5
PC4
PA0
U0Rx
PA1
U0Tx
PA2
SSI0Clk
PA3
SSI0Fss
PA4
SSI0Rx
PA5
SSI0Tx
VDD
GND
I2C1SCL
PA6
I2C1SDA
PA7
Pin Type
-
-
O
I
I/O
O
I/O
I
-
-
I
I/O
I
O
I/O
I
O
I/O
I/O
I/O
I/O
I
I/O
O
I/O
I/O
I/O
I/O
I/O
I
I/O
O
-
-
I/O
I/O
I/O
I/O
Buffer Type Description
Power
Positive supply for most of the logic function,
including the processor core and most
peripherals.
Power Ground reference for logic and I/O pins.
TTL
XTALP of the Ethernet PHY
TTL
XTALN of the Ethernet PHY
TTL
GPIO port G bit 1
TTL
UART 2 Transmit. When in IrDA mode, this
signal has IrDA modulation.
TTL
GPIO port G bit 0
TTL
UART 2 Receive. When in IrDA mode, this
signal has IrDA modulation.
Power Positive supply for I/O and some logic.
Power Ground reference for logic and I/O pins.
Analog Analog comparator 2 negative input
TTL
GPIO port C bit 7
Analog Analog comparator positive input
TTL
Analog comparator 2 output
TTL
GPIO port C bit 6
Analog Analog comparator positive input
TTL
Analog comparator 1 output
TTL
GPIO port C bit 5
TTL
Capture/Compare/PWM 5
TTL
GPIO port C bit 4
TTL
GPIO port A bit 0
TTL
UART module 0 receive. When in IrDA mode,
this signal has IrDA modulation.
TTL
GPIO port A bit 1
TTL
UART module 0 transmit. When in IrDA mode,
this signal has IrDA modulation.
TTL
GPIO port A bit 2
TTL
SSI module 0 clock
TTL
GPIO port A bit 3
TTL
SSI module 0 frame
TTL
GPIO port A bit 4
TTL
SSI module 0 receive
TTL
GPIO port A bit 5
TTL
SSI module 0 transmit
Power Positive supply for I/O and some logic.
Power Ground reference for logic and I/O pins.
OD
I2C module 1 clock
TTL
GPIO port A bit 6
OD
I2C module 1 data
TTL
GPIO port A bit 7
June 14, 2007
497
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