Renesas RA4M2

Renesas RA Family EK-RA4M2 v1 – User's Manual
R20UT4815EG0100 Rev 1.00 Page 18 of 30
Jan.04.21
Figure 10. Seeed Grove and Qwiic Connectors
5.3.2 SparkFun
®
Qwiic
®
Connector
A Qwiic connector is provided at J30. The Main MCU acts as a two-wire serial master, and a connected
module acts as a two-wire serial slave. (Data lines shared with Grove 1.)
Table 12. Qwiic Connector
Qwiic Connector
EK-RA4M2
Pin
Description
Signal/Bus
J30-1
GND
GND
J30-2
VCC
+3.3V
J30-3
SDA
P409 (SDA3)
J30-4
SCL
P408 (SCL3)
5.3.3 Digilent Pmod™
Connectors
5.3.3.1 Pmod 1
A 12-pin Pmod Type-2A (expanded SPI) and Type-3A (expanded UART) connector is provided at J26, Pmod
1. The RA MCU acts as the SPI master, and the connected module acts as an SPI slave device. This
interface may additionally be re-configured in firmware as several other Pmod types.
Table 13. Pmod 1 Connector
Pmod 1 Connector Default
EK-RA4M2
Pmod 1
Configuration
Pin
Description
Option
Type 6A
Signal/Bus
Short
Open
J26-1
SS / CTS
NC / INT
P401 (SS4/CTS4/IRQ5-DS)
J26-2
MOSI / TXD
NC / RESET
P207 (MOSIA4/TDX4)
J26-3
MISO / RXD
P206 (MISOA4/RXD4)
E14
E18
SCL
P408 (SCL3)
E18
E14
J26-4
SCK
P400 (SCK4)
E15
E19
SDA
P409 (SDA3)
E19
E15
J26-5
GND
GND
J26-6
VCC
+3.3 V
E16
E17
+5.0 V
E17
E16
J26-7
GPIO / INT (slave to master)
P008 (IRQ12-DS)
J26-8
GPIO / RESET (master to slave)
P403
J26-9
GPIO / CS2
P402
J26-10
GPIO / CS3
P406
J26-11
GND
GND
J26-12
VCC
+3.3 V
E16
E17
+5.0 V
E17
E16