LM3S8971 Datasheet, PDF (522/577 Pages) List of Unclassifed Manufacturers – Microcontroller

Signal Tables
Pin Number
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
Pin Name
XTALPPHY
XTALNPHY
PG1
PG0
VDD
GND
PC7
PhB0
PC6
CCP3
PC5
C0o
PC4
PhA0
PA0
U0Rx
PA1
U0Tx
PA2
SSI0Clk
PA3
SSI0Fss
PA4
SSI0Rx
PA5
SSI0Tx
VDD
GND
PA6
CCP1
PA7
CCP4
VCCPHY
RXIN
VDD25
GND
RXIP
GNDPHY
GNDPHY
TXOP
Pin Type
O
I
I/O
I/O
-
-
I/O
I
I/O
I/O
I/O
O
I/O
I
I/O
I
I/O
O
I/O
I/O
I/O
I/O
I/O
I
I/O
O
-
-
I/O
I/O
I/O
I/O
I
I
-
-
I
I
I
O
Buffer Type Description
TTL
XTALP of the Ethernet PHY
TTL
XTALN of the Ethernet PHY
TTL
GPIO port G bit 1
TTL
GPIO port G bit 0
Power Positive supply for I/O and some logic.
Power Ground reference for logic and I/O pins.
TTL
GPIO port C bit 7
TTL
QEI module 0 Phase B
TTL
GPIO port C bit 6
TTL
Capture/Compare/PWM 3
TTL
GPIO port C bit 5
TTL
Analog comparator 0 output
TTL
GPIO port C bit 4
TTL
QEI module 0 Phase A
TTL
GPIO port A bit 0
TTL
UART module 0 receive. When in IrDA mode,
this signal has IrDA modulation.
TTL
GPIO port A bit 1
TTL
UART module 0 transmit. When in IrDA mode,
this signal has IrDA modulation.
TTL
GPIO port A bit 2
TTL
SSI module 0 clock
TTL
GPIO port A bit 3
TTL
SSI module 0 frame
TTL
GPIO port A bit 4
TTL
SSI module 0 receive
TTL
GPIO port A bit 5
TTL
SSI module 0 transmit
Power Positive supply for I/O and some logic.
Power Ground reference for logic and I/O pins.
TTL
GPIO port A bit 6
TTL
Capture/Compare/PWM 1
TTL
GPIO port A bit 7
TTL
Capture/Compare/PWM 1
TTL
VCC of the Ethernet PHY
Analog RXIN of the Ethernet PHY
Power
Positive supply for most of the logic function,
including the processor core and most
peripherals.
Power Ground reference for logic and I/O pins.
Analog RXIP of the Ethernet PHY
TTL
GND of the Ethernet PHY
TTL
GND of the Ethernet PHY
Analog TXOP of the Ethernet PHY
522
October 01, 2007
Preliminary