LM3S1G21 Datasheet, PDF (402/955 Pages) Texas Instruments – Stellaris® LM3S1G21 Microcontroller

General-Purpose Input/Outputs (GPIOs)
Table 9-2. GPIO Pins and Alternate Functions (100LQFP) (continued)
IO
Pin
Analog
Function
1
2
Digital Function (GPIOPCTL PMCx Bit Field Encoding)^a
3
4
5
6
7
8
9
PH1 85
-
CCP7
-
-
-
-
-
- EPI0S7 -
PH2 84
-
-
C1o
-
-
-
-
- EPI0S1 -
PH3 83
-
-
-
-
-
-
-
- EPI0S0 -
PH4 76
-
-
-
-
-
-
-
- EPI0S10 -
PH5 63
-
-
-
-
-
-
-
- EPI0S11 -
PH6 62
-
-
-
-
-
-
-
- EPI0S26 -
PH7 15
-
-
-
-
-
-
-
- EPI0S27 -
PJ0 14
-
-
-
-
-
-
-
- EPI0S16 -
PJ1 87
-
-
-
-
-
-
-
- EPI0S17 -
PJ2 39
-
-
-
-
-
-
-
- EPI0S18 CCP0
a. The digital signals that are shaded gray are the power-on default values for the corresponding GPIO pin.
Table 9-3. GPIO Pins and Alternate Functions (108BGA)
IO
Pin
Analog
Function
1
2
Digital Function (GPIOPCTL PMCx Bit Field Encoding)^a
3
4
5
6
7
8
9
PA0 L3
-
U0Rx
-
-
-
-
-
- I2C1SCL U1Rx
PA1 M3
-
U0Tx
-
-
-
-
-
- I2C1SDA U1Tx
PA2 M4
- SSI0Clk -
-
-
-
-
-
-
-
PA3 L4
- SSI0Fss -
-
-
-
-
-
-
-
PA4 L5
- SSI0Rx -
-
-
-
-
-
-
-
PA5 M5
- SSI0Tx -
-
-
-
-
-
-
-
PA6 L6
- I2C1SCL CCP1
-
-
-
-
-
-
U1CTS
PA7 M6
- I2C1SDA CCP4
-
-
-
-
CCP3
-
U1DCD
PB0 E12
-
CCP0
-
-
-
U1Rx
-
-
-
-
PB1 D12
-
CCP2
-
-
CCP1 U1Tx
-
-
-
-
PB2 A11
- I2C0SCL -
-
CCP3 CCP0
-
-
-
-
PB3 E11
- I2C0SDA -
-
-
-
-
-
-
-
PB4 A6 C0-
-
-
-
U2Rx
-
-
U1Rx EPI0S23 -
PB5 B7 C1-
C0o CCP5 CCP6 CCP0
-
CCP2 U1Tx EPI0S22 -
PB6 A7 VREFA CCP1 CCP7 C0o
-
-
CCP5
-
-
-
C0+
PB7 A8
-
-
-
-
NMI
-
-
-
-
-
PC0 A9
-
-
-
TCK
-
-
-
-
-
-
SWCLK
PC1 B9
-
-
-
TMS
-
-
-
-
-
-
SWDIO
PC2 B8
-
-
-
TDI
-
-
-
-
-
-
PC3 A10
-
-
-
TDO
-
-
-
-
-
-
SWO
PC4 L1
-
CCP5
-
-
-
CCP2 CCP4
- EPI0S2 CCP1
PC5 M1 C1+ CCP1 C1o
C0o
-
CCP3
-
- EPI0S3 -
10
11
-
-
-
-
-
-
- SSI1Clk
- SSI1Fss
- SSI1Rx
- SSI1Tx
- I2C1SCL
- I2C1SDA
-
-
10
11
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
402
January 22, 2012
Texas Instruments-Production Data