Table 17-7. Signals by Function, Except for GPIO (continued)
DescriptionBuffer Type
a
Pin TypePin NumberPin NameFunction
CPU Mode bit 0. Input must be set to logic 0
(grounded); other encodings reserved.
TTLIE11CMOD0System Control &
Clocks
CPU Mode bit 1. Input must be set to logic 0
(grounded); other encodings reserved.
TTLIB10CMOD1
Main oscillator crystal input or an external clock
reference input.
AnalogIL11OSC0
Main oscillator crystal output. Leave unconnected
when using a single-ended clock source.
AnalogOM11OSC1
System reset input.TTLIH11RST
UART module 0 receive. When in IrDA mode, this
signal has IrDA modulation.
TTLIL3U0RxUART
UART module 0 transmit. When in IrDA mode, this
signal has IrDA modulation.
TTLOM3U0Tx
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
Table 17-8. GPIO Pins and Alternate Functions
Multiplexed FunctionMultiplexed FunctionPin NumberIO
U0RxL3PA0
U0TxM3PA1
SSI0ClkM4PA2
SSI0FssL4PA3
SSI0RxL5PA4
SSI0TxM5PA5
CCP1L6PA6
CCP0E12PB0
D12PB1
I2C0SCLC11PB2
I2C0SDAC12PB3
A6PB4
B7PB5
A7PB6
TRSTA8PB7
SWCLKTCKA9PC0
SWDIOTMSB9PC1
TDIB8PC2
SWOTDOA10PC3
CAN0RxG1PD0
CAN0TxG2PD1
H2PD2
H1PD3
SSI1ClkA11PE0
SSI1FssB12PE1
SSI1RxB11PE2
481June 22, 2010
Texas Instruments-Production Data
Stellaris® LM3S8530 Microcontroller