LM3S101 Datasheet, PDF (396/445 Pages) List of Unclassifed Manufacturers – Microcontroller

Signal Tables
Table 14-2. Signals by Signal Name (continued)
Pin Name
Pin Number Pin Type Buffer Type^a Description
VDD
7
-
Power Positive supply for I/O and some logic.
17
22
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
14.1.3 Signals by Function, Except for GPIO
Table 14-3. Signals by Function, Except for GPIO
Function
Pin Name Pin Number Pin Type Buffer Type^a
Description
C0+
2
I
Analog Analog comparator 0 positive input.
C0-
Analog Comparators
C0o
4
I
Analog Analog comparator 0 negative input.
3
O
TTL
Analog comparator 0 output.
C1-
3
I
Analog Analog comparator 1 negative input.
General-Purpose
Timers
32KHz
CCP0
20
I
TTL
32-KHz input to the timer.
19
I/O
TTL
Capture/Compare/PWM 0.
SWCLK
28
I
TTL
JTAG/SWD CLK.
SWDIO
27
I/O
TTL
JTAG TMS and SWDIO.
SWO
25
O
TTL
JTAG TDO and SWO.
TCK
JTAG/SWD/SWO
TDI
28
I
TTL
JTAG/SWD CLK.
26
I
TTL
JTAG TDI.
TDO
25
O
TTL
JTAG TDO and SWO.
TMS
27
I/O
TTL
JTAG TMS and SWDIO.
TRST
1
I
TTL
JTAG TRST.
GND
8
-
Power Ground reference for logic and I/O pins.
18
21
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.
17
22
SSIClk
13
I/O
TTL
SSI clock.
SSIFss
14
I/O
TTL
SSI frame.
SSI
SSIRx
15
I
TTL
SSI receive.
SSITx
16
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.
UART
U0Rx
U0Tx
11
I
TTL
UART module 0 receive.
12
O
TTL
UART module 0 transmit.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
396
July 14, 2014
Texas Instruments-Production Data