LM3S8933 Luminary Micro, Inc, LM3S8933 Datasheet - Page 517
LM3S8933
Manufacturer Part Number
LM3S8933
Description
Lm3s8933 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S8933.pdf
(588 pages)
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20
20.1
July 25, 2008
Signal Tables
The following tables list the signals available for each pin. Functionality is enabled by software with
the GPIOAFSEL register.
Important:
Table 20-1 on page 517 shows the pin-to-signal-name mapping, including functional characteristics
of the signals. Table 20-2 on page 521 lists the signals in alphabetical order by signal name.
Table 20-3 on page 525 groups the signals by functionality, except for GPIOs. Table 20-4 on page
528 lists the GPIO pins and their alternate functionality.
100-Pin LQFP Package Pin Tables
Table 20-1. Signals by Pin Number
Pin Number
10
11
12
13
1
2
3
4
5
6
7
8
9
All multiplexed pins are GPIOs by default, with the exception of the five JTAG pins (PB7
and PC[3:0]) which default to the JTAG functionality.
Pin Name
CAN0Rx
CAN0Tx
ADC0
ADC1
VDDA
GNDA
ADC2
ADC3
U1Rx
U1Tx
LDO
VDD
GND
PD0
PD1
PD2
PD3
Preliminary
Pin Type
I/O
I/O
I/O
I/O
O
O
-
-
-
-
-
I
I
I
I
I
I
Buffer Type
Analog
Analog
Analog
Analog
Power
Power
Power
Power
Power
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
Description
Analog-to-digital converter input 0.
Analog-to-digital converter input 1.
The positive supply (3.3 V) for the analog
circuits (ADC, Analog Comparators, etc.).
These are separated from VDD to minimize
the electrical noise contained on VDD from
affecting the analog functions.
The ground reference for the analog circuits
(ADC, Analog Comparators, etc.). These are
separated from GND to minimize the electrical
noise contained on VDD from affecting the
analog functions.
Analog-to-digital converter input 2.
Analog-to-digital converter input 3.
Low drop-out regulator output voltage. This
pin requires an external capacitor between
the pin and GND of 1 µF or greater. The LDO
pin must also be connected to the VDD25 pins
at the board level in addition to the decoupling
capacitor(s).
Positive supply for I/O and some logic.
Ground reference for logic and I/O pins.
GPIO port D bit 0
CAN module 0 receive
GPIO port D bit 1
CAN module 0 transmit
GPIO port D bit 2
UART module 1 receive. When in IrDA mode,
this signal has IrDA modulation.
GPIO port D bit 3
UART module 1 transmit. When in IrDA mode,
this signal has IrDA modulation.
LM3S8933 Microcontroller
517
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