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LM3S300-IQN25-C2 Datasheet, PDF (455/498 Pages) Texas Instruments – Stellaris LM3S300 Microcontroller
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Stellaris® LM3S300 Microcontroller
Table 15-3. Signals by Function, Except for GPIO (continued)
Function
Pin Name Pin Number Pin Type Buffer Typea
Description
CCP0
45
I/O
TTL
Capture/Compare/PWM 0.
CCP1
3
I/O
TTL
Capture/Compare/PWM 1.
General-Purpose
Timers
CCP2
CCP3
46
I/O
TTL
Capture/Compare/PWM 2.
2
I/O
TTL
Capture/Compare/PWM 3.
CCP4
4
I/O
TTL
Capture/Compare/PWM 4.
CCP5
1
I/O
TTL
Capture/Compare/PWM 5.
I2CSCL
33
I/O
OD
I2C clock.
I2C
I2CSDA
34
I/O
OD
I2C data.
SWCLK
40
I
TTL
JTAG/SWD CLK.
SWDIO
39
I/O
TTL
JTAG TMS and SWDIO.
SWO
37
O
TTL
JTAG TDO and SWO.
TCK
JTAG/SWD/SWO
TDI
40
I
TTL
JTAG/SWD CLK.
38
I
TTL
JTAG TDI.
TDO
37
O
TTL
JTAG TDO and SWO.
TMS
39
I/O
TTL
JTAG TMS and SWDIO.
TRST
41
I
TTL
JTAG TRST.
GND
8
-
Power Ground reference for logic and I/O pins.
16
24
31
LDO
Power
6
-
Power Low drop-out regulator output voltage. This pin
requires an external capacitor between the pin and
GND of 1 µF or greater.
VDD
7
-
Power Positive supply for I/O and some logic.
15
23
32
SSIClk
19
I/O
TTL
SSI clock.
SSIFss
20
I/O
TTL
SSI frame.
SSI
SSIRx
21
I
TTL
SSI receive.
SSITx
22
O
TTL
SSI transmit.
System Control &
Clocks
OSC0
OSC1
9
I
Analog Main oscillator crystal input or an external clock
reference input.
10
O
Analog Main oscillator crystal output. Leave unconnected
when using a single-ended clock source.
RST
5
I
TTL
System reset input.
U0Rx
17
I
TTL
UART module 0 receive.
UART
U0Tx
U1Rx
18
O
TTL
UART module 0 transmit.
27
I
TTL
UART module 1 receive.
U1Tx
28
O
TTL
UART module 1 transmit.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
June 18, 2012
455
Texas Instruments-Production Data