LM3S828 Datasheet, PDF (481/526 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S828 Microcontroller
Table 15-3. Signals by Function, Except for GPIO (continued)
Function
Pin Name Pin Number Pin Type Buffer Type^a
Description
SSIClk
19
I/O
TTL
SSI clock.
SSIFss
20
I/O
TTL
SSI frame.
SSI
SSIRx
21
I
TTL
SSI receive.
SSITx
22
O
TTL
SSI transmit.
System Control &
Clocks
OSC0
OSC1
9
I
Analog Main oscillator crystal input or an external clock
reference input.
10
O
Analog Main oscillator crystal output. Leave unconnected
when using a single-ended clock source.
RST
5
I
TTL
System reset input.
U0Rx
17
I
TTL
UART module 0 receive.
UART
U0Tx
U1Rx
18
O
TTL
UART module 0 transmit.
27
I
TTL
UART module 1 receive.
U1Tx
28
O
TTL
UART module 1 transmit.
a. The TTL designation indicates the pin has TTL-compatible voltage levels.
15.4 GPIO Pins and Alternate Functions
Table 15-4. GPIO Pins and Alternate Functions
IO
Pin Number
PA0
17
PA1
18
PA2
19
PA3
20
PA4
21
PA5
22
PB0
29
PB1
30
PB2
33
PB3
34
PB4
44
PB5
43
PB6
42
PB7
41
PC0
40
PC1
39
PC2
38
PC3
37
PC4
14
PC5
13
PC6
12
PC7
11
PD0
25
Multiplexed Function
U0Rx
U0Tx
SSIClk
SSIFss
SSIRx
SSITx
CCP0
CCP2
I2CSCL
I2CSDA
CCP5
TRST
TCK
TMS
TDI
TDO
CCP1
CCP3
CCP4
Multiplexed Function
SWCLK
SWDIO
SWO
June 18, 2012
481
Texas Instruments-Production Data