LM3S101 Datasheet, PDF (394/445 Pages) List of Unclassifed Manufacturers – Microcontroller

Signal Tables
Table 14-1. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PA3
I/O
TTL
GPIO port A bit 3.
14
SSIFss
I/O
TTL
SSI frame.
PA4
I/O
TTL
GPIO port A bit 4.
15
SSIRx
I
TTL
SSI receive.
PA5
I/O
TTL
GPIO port A bit 5.
16
SSITx
O
TTL
SSI transmit.
17
VDD
-
Power Positive supply for I/O and some logic.
18
GND
-
Power Ground reference for logic and I/O pins.
PB0
I/O
TTL
GPIO port B bit 0.
19
CCP0
I/O
TTL
Capture/Compare/PWM 0.
PB1
I/O
TTL
GPIO port B bit 1.
20
32KHz
I
TTL
32-KHz input to the timer.
21
GND
-
Power Ground reference for logic and I/O pins.
22
VDD
-
Power Positive supply for I/O and some logic.
23
PB2
I/O
TTL
GPIO port B bit 2.
24
PB3
I/O
TTL
GPIO port B bit 3.
PC3
I/O
TTL
GPIO port C bit 3.
25
SWO
O
TTL
JTAG TDO and SWO.
TDO
O
TTL
JTAG TDO and SWO.
PC2
I/O
TTL
GPIO port C bit 2.
26
TDI
I
TTL
JTAG TDI.
PC1
I/O
TTL
GPIO port C bit 1.
27
SWDIO
I/O
TTL
JTAG TMS and SWDIO.
TMS
I/O
TTL
JTAG TMS and SWDIO.
PC0
I/O
TTL
GPIO port C bit 0.
28
SWCLK
I
TTL
JTAG/SWD CLK.
TCK
I
TTL
JTAG/SWD CLK.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
14.1.2 Signals by Signal Name
Table 14-2. Signals by Signal Name
Pin Name
32KHz
C0+
C0-
C0o
C1-
CCP0
GND
Pin Number
20
2
4
3
3
19
8
18
21
Pin Type
I
I
I
O
I
I/O
-
Buffer Type^a Description
TTL
32-KHz input to the timer.
Analog Analog comparator 0 positive input.
Analog Analog comparator 0 negative input.
TTL
Analog comparator 0 output.
Analog Analog comparator 1 negative input.
TTL
Capture/Compare/PWM 0.
Power Ground reference for logic and I/O pins.
394
July 14, 2014
Texas Instruments-Production Data