Renesas Starter Kit+, User Manual

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Renesas Starter Kit+ for RX72N 5. User Circuitry
R20UT4443EG0100 Rev. 1.00 Page 25 of 57
Nov 30, 19
5.13 Renesas Serial Peripheral Interface (RSPI)
The RX72N features three Renesas Serial Peripheral Interface modules (Renesas SPI or RSPI). RSPI1 is
connected to a 32Mbit Serial Flash.
Table 5-16
below details the connected devices, and their connections to
the MCU.
Table 5-16: RSPI Connections
RSPI Signal Function
MCU
Port Pin
RSPI-CS Chip Select PK3 J9
RSPI-CLK Clock PK0 M10
RSPI-MOSI Master out slave in data PK1 K9
RSPI-MISO Master in slave out data PK2 N11
5.14 Quad Serial Peripheral Interface (QSPI)
The RX72N features one Quad Serial Peripheral Interface module (QSPI). Table 5-17 below details the
connected device, and its connection to the MCU.
Table 5-17: QSPI Connections
QSPI signal Function
MCU
Port Pin
QSPI-CS Chip Select PN5 J11
QSPI-CLK Clock PN4 L12
QSPI-IO0 I/O Data0 PJ3 H7
QSPI-IO1 I/O Data1 PJ5 G5
QSPI-IO2 I/O Data2 P00 E3
QSPI-IO3 I/O Data3 P01 D5
5.15 I 2 C Bus (Inter-IC Bus)
The RX72N features three I
2
C (Inter-IC Bus) interface modules. RIIC1 is connected to a 2Kbit EEPROM.
Table 5-18 below details the connected device, and their connection to the MCU.
Table 5-18: I 2 C Bus Connections
I 2 C Bus signal Function
MCU
Port Pin
E2P-SDA Data P20 P3
E2P-SCL Clock P21 R1