Pin No
Signal
PIO
Signal
RGB Interface Function
43
TWCK
PB29
TWI_SCL
I2C clock line (maXTouch)
44
GPIO
PC9
IRQ1
maXTouch interrupt line
45
GPIO
PD2
IRQ2
Interrupt line for other I2C devices
46
LCDPWM
PC28
PWM
Backlight control
47
RESET
–
RESET
Reset for both display and maXTouch
48
Main_5V/3V3
VCC
VCC
3.3V or 5V supply (0R)
49
Main_5V/3V3
VCC
VCC
3.3V or 5V supply (0R)
50
GND
_
GND
GND
3.3.2
RGB LED
The SAMA5D2-PTC-EK board features one RGB LED which can be controlled by the user. The three
LED cathodes are controlled via GPIO PWM or timer/counter pins.
Figure 3-36. RGB LED Indicators
LED
VDD_3V3
GND_POWER
GND_POWER
GND_POWER
GND_POWER
GND_POWER
LED_RED_PB10
LED_GREEN_PB8
LED_BLUE_PB6
R240
1K
R0402
R182
100R-1%
R0402
R183
100R-1%
R0402
R244
10K
Q7
BSS138
SOT23_123
1
3
2
R181
100R-1%
R0402
D4
CLV1A-FKB-CJ1M1F1BB7R4S3
Red
1
Green
4
Blue
3
Anode
2
R241
1K
R0402
R239
2.2K-1%
R0402
Q5
BSS138
SOT23_123
1
3
2
R243
10K
Q6
BSS138
SOT23_123
1
3
2
Table 3-16. RGB LED PIOS
Signal
PIO
Function
LED_RED
PB10
TIOB3
LED_GREEN
PB8
PWML3
LED_BLUE
PB6
PWML2
3.4
Debugging Capabilities
The SAMA5D2-PTC-EK includes two main debugging interfaces to provide debug-level access to the
SAMA5D2:
•
One UART through USB JLINK-CDC
•
Two JTAG interfaces, one connected directly to the MPU using connector J2 and one through the
JLINK-OB interface USB port J9
SAMA5D2-PTC-EK
Board Components
©
2017 Microchip Technology Inc.
DS50002709A-page 35
