LM3S817 Datasheet, PDF (502/553 Pages) List of Unclassifed Manufacturers – Microcontroller

Signal Tables
Table 16-3. Signals by Function, Except for GPIO (continued)
Function
Pin Name Pin Number Pin Type Buffer Type^a
Description
SWCLK
40
I
TTL
JTAG/SWD CLK.
SWDIO
39
I/O
TTL
JTAG TMS and SWDIO.
SWO
37
O
TTL
JTAG TDO and SWO.
TCK
JTAG/SWD/SWO
TDI
40
I
TTL
JTAG/SWD CLK.
38
I
TTL
JTAG TDI.
TDO
37
O
TTL
JTAG TDO and SWO.
TMS
39
I/O
TTL
JTAG TMS and SWDIO.
TRST
41
I
TTL
JTAG TRST.
Fault
34
I
TTL
PWM Fault.
PWM0
25
O
TTL
PWM 0. This signal is controlled by PWM Generator
0.
PWM1
26
O
TTL
PWM 1. This signal is controlled by PWM Generator
0.
PWM
PWM2
29
O
TTL
PWM 2. This signal is controlled by PWM Generator
1.
PWM3
30
O
TTL
PWM 3. This signal is controlled by PWM Generator
1.
PWM4
35
O
TTL
PWM 4. This signal is controlled by PWM Generator
2.
PWM5
36
O
TTL
PWM 5. This signal is controlled by PWM Generator
2.
GND
8
-
Power Ground reference for logic and I/O pins.
16
24
31
LDO
Power
6
-
Power Low drop-out regulator output voltage. This pin
requires an external capacitor between the pin and
GND of 1 µF or greater.
VDD
7
-
Power Positive supply for I/O and some logic.
15
23
32
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.
502
July 14, 2014
Texas Instruments-Production Data