Renesas VUI Reference Solution VOICE-RA4E1 Engineering Manual
VOICE-RA4E1 Engineering Manual Rev.1.0 Page
of 14
June 2022
Table 2. Default Copper Jumper Settings
WS output to I2S digital microphone
SCK output to I2S digital microphone
MOSI for I2S digital microphone left channel
ADC0, Analog microphone left channel
ADC1, Analog microphone right channel
DA out to OPAMP, audio out
P201/MD signal, cut it then the J8, J9 can be debug out function
7. MCU Port Mapping
Here are the port and pin assignments for the kit.
Table 3. MCU Port Assignments
Analog microphone, left channel
Analog microphone, right channel
If configure as QSPI, it is QSPI CLK signal for QSPI flash.
If configure as PMOD, it can be RXD/SCL/MISO signal.
If configure as QSPI, it is QSPI DQ1 signal for QSPI flash.
If configure as PMOD, it can be TXD/SDA/MOSI signal.
If configure as QSPI, it is QSPI DQ0 signal for QSPI flash.
If configure as PMOD, it can be NC/NC/SCK signal.
If configure as PMOD, it can be CTS_RTS/NC/SS signal.
GPT1 output for SCK to I2S D-MIC
Debug, SWDIO for SWD or TMS for JTAG
MOSI for I2S digital microphone left channel, when debug, it is TDO for JTAG
Debug, TDI for JTAG, or PMOD GPIO3
Boot Mode, The MCU enter SCI and USB boot mode if the MD pin is held low on release
the reset signal, it is for download code to MCU flash memory.
or PMOD GPIO1
LED3, user LED, blue color
LED2, user LED, green color
Debug, SWCLK for SWD or TCK for JTAG
WS output to I2S digital microphone
PMOD, can be GPIO or IRQ5
User switch(S1), also IRQ4
USB VBUS, USB cable connection monitor pin
LED1, user LED, red color
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