...........continued
PIO
Signal Name
Shared
Signal Description
PC16
CAN1_STBY_PC16
–
CAN standby port 1
Table 3-33. CAN Connector J17 Signal Descriptions
Pin No.
Signal Name
Signal Description
1
CAN0_H
Differential positive port 0
2
CAN0_L
Differential negative port 0
3
GND
Common ground
4
CAN1_H
Differential positive port 1
5
CAN1_L
Differential negative port 1
3.4.5
RPi Connector Interface
The SAMA7G54-EK board features a 40-pin connector (Raspberry Pi compatible) for free use.
Figure 3-42. RPi 40-Pin Connector Schematic
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
HDR-2.54 Male 2x20
TSW-120-07-G-D
J13
VDD_3V3
5V_MAIN
GND
GND
EXT40_QSPI1_IO1_PB24
EXT40_QSPI1_SCK_PB27
EXT40_TXD_PC30
EXT40_RXD_PC31
EXT40_QSPI1_IO3_PB22
EXT40_QSPI1_CS_PB26
EXT40_QSPI1_IO2_PB23
Raspberry Pi 40-pin Connector
EXT40_QSPI1_IO0_PB25
FLEXCOM7_IO0
FLEXCOM7_IO1
FLEXCOM7_IO2
FLEXCOM7_IO3
FLEXCOM7_IO4
EXT40_TWCK_PC19
EXT40_TWD_PC18
FLEXCOM9_IO1
FLEXCOM9_IO0
FLEXCOM10_IO0
FLEXCOM10_IO1
EXT40_SPI1_SCLK_PE5
EXT40_SPI1_MOSI_PE3
EXT40_SPI1_MISO_PE4
EXT40_SPI1_CE0_PE6
EXT40_SPI1_CE1_PE7
EXT40_SPI1_CE2_PE1
EXT40_GPIO_PD31
EXT40_PWM0_PE2
EXT40_PWM1_PD28
EXT40_GPIO_PD29
EXT40_GPIO_PD30
EXT40_GPIO_PD27
EXT40_GPIO_PD21
EXT40_GPIO_PD26
EXT40_GPIO_PD25
EXT40_GPIO_PB8
Table 3-34. RPi Connector Pin Assignment
Pin No. RPi Signal
Signal Name
Shared With
PIO
Function
1
3.3V power
VDD_3V3
–
–
3.3V power supply
2
5V power
5V_MAIN
–
–
5.0V power supply
3
GPIO 2 (SDA)
EXT40_TWD_PC18
mBUS1, mBUS2
PC18
I²C data line
4
5V power
5V_MAIN
–
–
5.0V power supply
5
GPIO 3 (SCL)
EXT40_TWCK_PC19
mBUS1, mBUS2
PC19
I²C clock line
6
Ground
GND
–
–
Ground
7
GPIO 4 (GPCLK0) EXT_GPIO_PD26
10/100 Ethernet
PD26
GPIO clock
8
GPIO 14 (TXD)
EXT40_TXD_PC30
–
PC30
UART TXD
9
Ground
GND
–
–
Ground
SAMA7G54-EK
Function Blocks
©
2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS50003273A-page 50