Renesas Solution Starter Kit for RX23W
4. Connectivity
R20UT4446EG0102 Rev. 1.02
Page 15 of 41
Jun 22, 20
4. Connectivity
4.1
Internal Board Connections
The diagram below shows the CPU board components and their connectivity to the MCU.
User Switch (SW4)
RX23W (85pin)
Microcontroller
IRQ
Reset
ADC
I/O
SW1
SW2
RES
DC PWR IN
(5V)
2Kbit I2C EEPROM
User LED
Power LED
G
R
O
R
VCC
MCU Mode Switch (SW3)
Mode
G
G
Switches
TXD
RXD
USB to Serial
VDD
I/O
CTS/RTS
Regulator IC
3.3V or 1.8V
FTD234XD
VBUS 5V
Level shift
5V
TXD
RXD
CTS/RTS
VCC
Potentiometer
ADTRG*
I/O
MCU Header
E1/E2 Lite Debug Interface
CAN
USB0 (Host/Function)
Pmod1(Spare)*
Pmod2(For LCD)
2.4GHz RF Antenna
Key x 1
Slider
(
Electrode x 4
)
IRQ
3.3V
VCCIO 3V3OUT
USB
In addition to DC PWR IN, VBUS (USB0 Function / USB to Serial
Function) can be used as the power supply source for the board.
* This feature is a not available in the default RSSK configuration.
Refer to Section 6 for the required modifications.
USB to
Serial
Function
Figure 4
-
1: Internal Board Block Diagram
Summary of Contents for RX200 Series
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