LM3S9B81 Datasheet, PDF (1025/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
Table 23-2. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
76
PH4
I/O
TTL
GPIO port H bit 4.
EPI0S10
I/O
TTL
EPI module 0 signal 10.
SSI1Clk
I/O
TTL
SSI module 1 clock.
USB0PFLT
I
TTL
Optionally used in Host mode by an external power source to
indicate an error state by that power source.
77
PC3
I/O
TTL
GPIO port C bit 3.
SWO
O
TTL
JTAG TDO and SWO.
TDO
O
TTL
JTAG TDO and SWO.
78
PC2
I/O
TTL
GPIO port C bit 2.
TDI
I
TTL
JTAG TDI.
79
PC1
I/O
TTL
GPIO port C bit 1.
SWDIO
I/O
TTL
JTAG TMS and SWDIO.
TMS
I
TTL
JTAG TMS and SWDIO.
80
PC0
I/O
TTL
GPIO port C bit 0.
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.
83
PH3
I/O
TTL
GPIO port H bit 3.
EPI0S0
I/O
TTL
EPI module 0 signal 0.
USB0EPEN
O
TTL
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
84
PH2
I/O
TTL
GPIO port H bit 2.
C1o
O
TTL
Analog comparator 1 output.
EPI0S1
I/O
TTL
EPI module 0 signal 1.
85
PH1
I/O
TTL
GPIO port H bit 1.
CCP7
I/O
TTL
Capture/Compare/PWM 7.
EPI0S7
I/O
TTL
EPI module 0 signal 7.
86
PH0
I/O
TTL
GPIO port H bit 0.
CCP6
I/O
TTL
Capture/Compare/PWM 6.
EPI0S6
I/O
TTL
EPI module 0 signal 6.
87
EPI0S17
I/O
TTL
EPI module 0 signal 17.
I2C1SDA
I/O
OD
I²C module 1 data.
PJ1
I/O
TTL
GPIO port J bit 1.
USB0PFLT
I
TTL
Optionally used in Host mode by an external power source to
indicate an error state by that power source.
88
VDDC
-
Power Positive supply for most of the logic function, including the
processor core and most peripherals.
89
PB7
I/O
TTL
GPIO port B bit 7.
NMI
I
TTL
Non-maskable interrupt.
June 29, 2010
Texas Instruments-Advance Information
1025