Controller Area Network (Can); Universal Serial Bus (Usb); C Bus (Inter-Ic Bus) - Renesas RX Series User Manual

RSKRX231
5.9

Controller Area Network (CAN)

A CAN transceiver IC is fitted to the RSK board, and connected to the CAN MCU peripheral. For further
details regarding the CAN protocol and supported modes of operation, please refer to the RX231 Group
User's Manual: Hardware.
The connections for the CAN microcontroller signals are listed in Table 5-7 below.
LIN Signal
CTX0
CRX0
5.10

Universal Serial Bus (USB)

This RSK device is fitted with a USB host socket (type A) and a function socket (type Mini B). USB module
USB0 is connected to the host and function socket, and can operate as either a host or function device. The
connections for the USB0 module are shown in Table 5-8 below. The host device is a not available in the
default RSK configuration - refer to §6 for the required modifications
USB Signal
USB0DP
USB0DM
USB0VBUS
USB0VBUSEN
USB0OVRCURA
2
5.11 I

C Bus (Inter-IC Bus)

The RX231 features one I
Specific details of the EEPROM device and the connections can be found in the board schematics.
On board EEPROM only supports single device on bus. To allow external I
refer to §6 for further details.
Rev.
R20UT3027EG0100 1.00
Aug 24, 2015
Function
CAN Transmit Signal
CAN Receive Signal
Table 5-7: CAN Connections
Function
Positive differential data signal
Negative differential data signal
Cable monitor pin
VBUS power supply enable
Over-current detection signal A
Table 5-8: USB0 Module Connections
2
C (Inter-IC Bus) interface modules. RIIC is connected to a 16Kbit EEPROM.
MCU
Port
P54
P55
MCU
Port
USB0_DP
USB0_DM
P16
P32
P14
2
C device, option links have to be modified –
5. User Circuitry
Pin
40
39
Pin
37
36
30
18
32
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