SAM4L_14 Datasheet, PDF (29/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption

ATSAM4L8/L4/L2
Table 3-4.
48-pin GPIO Controller Function Multiplexing (Sheet 2 of 2)
GPIO Functions
44 44 PA24 24 LCDC
46 46 PA25 25 VDDIO
47 47 PA26 26 VDDIO
25 PA27 27 LCDA
26 PA28 28 LCDA
27 PA29 29 LCDA
30 PA30 30 LCDA
31 PA31 31 LCDA
A
SPI
NPCS0
USBC
DM
USBC
DP
SPI
MISO
SPI
MOSI
SPI
SCK
SPI
NPCS0
SPI
NPCS1
B
TWIMS0
TWCK
USART2
RXD
USART2
TXD
IISC
ISCK
IISC
ISDI
IISC
IWS
IISC
ISDO
IISC
IMCK
C
ABDACB
DAC0
ABDACB
DACN0
ABDACB
DAC1
ABDACB
DACN1
ABDACB
CLK
D
GLOC
OUT0
GLOC
IN4
GLOC
IN5
GLOC
IN6
GLOC
IN7
GLOC
OUT1
E
SCIF
GCLK IN1
USART3
RTS
USART3
CTS
USART3
CLK
USART3
RXD
USART3
TXD
F
LCDCA
SEG39
G
CATB
SENSE18
CATB
SENSE19
CATB
SENSE20
CATB
SENSE0
CATB
SENSE1
CATB
SENSE2
CATB
SENSE3
CATB
DIS
3.2.2
Peripheral Functions
Each GPIO line can be assigned to one of several peripheral functions. The following table
describes how the various peripheral functions are selected. The last listed function has priority
in case multiple functions are enabled on the same pin.
Table 3-5. Peripheral Functions
Function
GPIO Controller Function multiplexing
JTAG port connections
Oscillators
Description
GPIO and GPIO peripheral selection A to H
JTAG debug port
OSC0
3.2.3
JTAG Port Connections
If the JTAG is enabled, the JTAG will take control over a number of pins, irrespectively of the I/O
Controller configuration.
Table 3-6.
48-pin
Packages
10
43
44
9
JTAG Pinout
64-pin
64-pin
QFP/QFN WLSCP
10
E2
59
H3
60
G3
9
F2
100-pin
QFN
19
95
96
18
100-ball
VFBGA
B3
D6
D10
B4
Pin
Name
PA03
PA23
PA24
TCK
JTAG
Pin
TMS
TDO
TDI
TCK
29
42023GS–SAM–03/2014