LM3S3749 Luminary Micro, Inc, LM3S3749 Datasheet - Page 687
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LM3S3749
Manufacturer Part Number
LM3S3749
Description
Lm3s3749 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S3749.pdf
(753 pages)
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June 02, 2008
Table 22-4. GPIO Pins and Alternate Functions
System Control &
Clocks
UART
USB
Function
GPIO Pin
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
NMI
OSC0
OSC1
RST
USB0DM
USB0DP
USB0RBIAS
XOSC0
XOSC1
U0Rx
U0Tx
U1Rx
U1Tx
U2Rx
USB0EPEN
USB0PFLT
Pin Name
Number
Pin
89
48
49
64
70
71
73
52
53
26
27
66
67
10
83
76
Pin Number
26
27
28
29
30
31
34
35
66
67
72
65
92
91
Preliminary
Pin Type
I/O
I/O
I/O
O
O
O
O
O
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
Multiplexed Function
SSI0Clk
SSI0Fss
I2C0SCL
I2C0SDA
Non maskable interrupt
Main oscillator crystal input or an external clock
reference input.
Main oscillator crystal output.
System reset input.
Bidirectional differential data pin (D- per USB
specification).
Bidirectional differential data pin (D+ per USB
specification).
9.1 KOhm resistor (1% precision) used internally
for USB analog circuitry.
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.
Hibernation Module oscillator crystal output.
UART module 0 receive. When in IrDA mode, this
signal has IrDA modulation.
UART module 0 transmit. When in IrDA mode, this
signal has IrDA modulation.
UART 1 receive
UART 1 transmit
UART 2 receive
Used in Host mode to control an external power
source to supply power to the USB bus.
Used in Host mode by an external power source
to indicate an error state by that power source.
SSI0Rx
SSI0Tx
U0Rx
U0Tx
CCP1
CCP3
U1Rx
U1Tx
C0-
C1-
LM3S3749 Microcontroller
Description
Multiplexed Function
687
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