LM3S3749 Datasheet, PDF (813/898 Pages) Texas Instruments – Stellaris® LM3S3749 Microcontroller

Stellaris® LM3S3749 Microcontroller
Table 21-1. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PC0
I/O
TTL
GPIO port C bit 0.
80
SWCLK
I
TTL
JTAG/SWD CLK.
TCK
I
TTL
JTAG/SWD CLK.
81
VDD
-
Power Positive supply for I/O and some logic.
82
GND
-
Power Ground reference for logic and I/O pins.
PH3
I/O
TTL
GPIO port H bit 3.
83
USB0EPEN
O
TTL
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
PH2
I/O
TTL
GPIO port H bit 2.
84
Fault3
I
TTL
PWM Fault 3.
PH1
I/O
TTL
GPIO port H bit 1.
85
PWM3
O
TTL
PWM 3. This signal is controlled by PWM Generator 1.
PH0
I/O
TTL
GPIO port H bit 0.
86
PWM2
O
TTL
PWM 2. This signal is controlled by PWM Generator 1.
87
GND
-
Power Ground reference for logic and I/O pins.
88
VDD25
-
Power Positive supply for most of the logic function, including the
processor core and most peripherals.
PB7
I/O
TTL
GPIO port B bit 7.
89
NMI
I
TTL
Non-maskable interrupt.
PB6
I/O
TTL
GPIO port B bit 6.
90
C0+
I
Analog Analog comparator 0 positive input.
PB5
I/O
TTL
GPIO port B bit 5.
91
C1-
I
Analog Analog comparator 1 negative input.
PB4
I/O
TTL
GPIO port B bit 4.
92
C0-
I
Analog Analog comparator 0 negative input.
93
VDD
-
Power Positive supply for I/O and some logic.
94
GND
-
Power Ground reference for logic and I/O pins.
PE2
I/O
TTL
GPIO port E bit 2.
95
SSI1Rx
I
TTL
SSI module 1 receive.
PE3
I/O
TTL
GPIO port E bit 3.
96
SSI1Tx
O
TTL
SSI module 1 transmit.
PD4
I/O
TTL
GPIO port D bit 4.
97
ADC7
I
Analog Analog-to-digital converter input 7.
PD5
I/O
TTL
GPIO port D bit 5.
98
ADC6
I
Analog Analog-to-digital converter input 6.
PD6
I/O
TTL
GPIO port D bit 6.
99
ADC5
I
Analog Analog-to-digital converter input 5.
PD7
100
ADC4
I/O
TTL
GPIO port D bit 7.
I
Analog Analog-to-digital converter input 4.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
November 17, 2011
813
Texas Instruments-Production Data