LM3S6422 Luminary Micro, Inc, LM3S6422 Datasheet - Page 421

• Manufacturer Part Number: LM3S6422
• Description: Lm3s6422 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

July 25, 2008
Table 17-4. GPIO Pins and Alternate Functions
SSI
System Control &
Clocks
UART
Function
GPIO Pin
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC0
VDDA
VDDA
SSI0Clk
SSI0Fss
SSI0Rx
SSI0Tx
CMOD0
CMOD1
OSC0
OSC1
RST
TRST
U0Rx
U0Tx
Pin Name
Number
Pin
98
28
29
30
31
65
76
48
49
64
89
26
27
3
Pin Number
26
27
28
29
30
31
34
66
67
70
71
92
91
90
89
80
Preliminary
Pin Type
I/O
I/O
I/O
I/O
O
O
O
-
-
I
I
I
I
I
Analog
Analog
Buffer
Power
Power
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
Multiplexed Function
SSI0Clk
SSI0Fss
The positive supply (3.3 V) for the analog circuits
(ADC, Analog Comparators, etc.). These are
separated from VDD to minimize the electrical noise
contained on VDD from affecting the analog
functions.
The positive supply (3.3 V) for the analog circuits
(ADC, Analog Comparators, etc.). These are
separated from VDD to minimize the electrical noise
contained on VDD from affecting the analog
functions.
SSI module 0 clock
SSI module 0 frame
SSI module 0 receive
SSI module 0 transmit
CPU Mode bit 0. Input must be set to logic 0
(grounded); other encodings reserved.
CPU Mode bit 1. Input must be set to logic 0
(grounded); other encodings reserved.
Main oscillator crystal input or an external clock
reference input.
Main oscillator crystal output.
System reset input.
JTAG TRSTn
UART module 0 receive. When in IrDA mode, this
signal has IrDA modulation.
UART module 0 transmit. When in IrDA mode, this
signal has IrDA modulation.
SSI0Rx
SSI0Tx
U0Rx
U0Tx
CCP1
CCP0
CCP2
TRST
C0-
C1-
C0+
TCK
LM3S6422 Microcontroller
Description
Multiplexed Function
SWCLK
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