LM3S308 Datasheet, PDF (489/537 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S308 Microcontroller
Table 16-1. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PB5
I/O
TTL
GPIO port B bit 5.
43
CCP5
I/O
TTL
Capture/Compare/PWM 5.
PB4
I/O
TTL
GPIO port B bit 4.
44
C0-
I
Analog Analog comparator 0 negative input.
45
ADC7
I
Analog Analog-to-digital converter input 7.
46
ADC6
I
Analog Analog-to-digital converter input 6.
47
ADC5
I
Analog Analog-to-digital converter input 5.
48
ADC4
I
Analog Analog-to-digital converter input 4.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
16.2 Signals by Signal Name
Table 16-2. Signals by Signal Name
Pin Name
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
C0+
C0-
CCP0
CCP1
CCP2
CCP3
CCP4
CCP5
GND
I2CSCL
I2CSDA
LDO
Pin Number
1
2
3
4
48
47
46
45
42
44
29
13
30
12
11
43
8
16
24
31
33
34
6
Pin Type
I
I
I
I
I
I
I
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
I/O
-
OSC0
OSC1
PA0
9
I
10
O
17
I/O
Buffer Type^a Description
Analog Analog-to-digital converter input 0.
Analog Analog-to-digital converter input 1.
Analog Analog-to-digital converter input 2.
Analog Analog-to-digital converter input 3.
Analog Analog-to-digital converter input 4.
Analog Analog-to-digital converter input 5.
Analog Analog-to-digital converter input 6.
Analog Analog-to-digital converter input 7.
Analog Analog comparator 0 positive input.
Analog Analog comparator 0 negative input.
TTL
Capture/Compare/PWM 0.
TTL
Capture/Compare/PWM 1.
TTL
Capture/Compare/PWM 2.
TTL
Capture/Compare/PWM 3.
TTL
Capture/Compare/PWM 4.
TTL
Capture/Compare/PWM 5.
Power Ground reference for logic and I/O pins.
OD
OD
Power
Analog
Analog
TTL
I²C clock.
I²C data.
Low drop-out regulator output voltage. This pin requires an
external capacitor between the pin and GND of 1 µF or
greater.
Main oscillator crystal input or an external clock reference
input.
Main oscillator crystal output. Leave unconnected when using
a single-ended clock source.
GPIO port A bit 0.
June 18, 2012
489
Texas Instruments-Production Data