Renesas VUI Reference Solution
VOICE-RA6E1
Engineering Manual
VOICE-RA6E1 Engineering Manual Rev.1.0
Page 8 of 14
June 2022
Table 2. Default Copper Jumper Settings
Location
Default Open/Closed
Function
E1
Closed
SSL input for SPI0
E2
Closed
WS output to I2S digital microphone
E3
Closed
SCK output to I2S digital microphone
E4
Closed
SCK input for SPI0
E5
Closed
MOSI
for I2S digital microphone left channel
E6
Closed
ADC0, Analog microphone left channel
E7
Closed
ADC1, Analog microphone right channel
E8
Closed
DA out to OPAMP, audio out
E9
Closed
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
Port
Assigned Function(s)
P000
Analog microphone, left channel
P001
Analog microphone, right channel
P002
Test point 4 (TP4)
P003
Test point 7 (TP7)
P004
Test point 11 (TP11)
P014
Audio out DAC
P015
Test point 8 (TP8)
P100
QSPI CLK for QSPI flash
P101
QSPI DQ1 for QSPI flash or MISO for I2S digital microphone right channel, mux by J12
jumper wire
P102
QSPI DQ0 for QSPI flash or SCK for I2S digital microphone right channel, mux by J13
jumper wire
P103
QSPI DQ3 for QSPI flash or WS for I2S digital microphone right channel, mux by J14
jumper wire
P104
QSPI DQ2 for QSPI flash
P105
GPT1 output for SCK to I2S D-MIC
P106
Test point 8 (TP8)
P108
Debug, SWDIO for SWD or TMS for JTAG
P109
MOSI
for I2S digital microphone left channel, when debug, it is TDO for JTAG
P110
Debug, TDI for JTAG
P111
SPICLK input
P112
QSPI_CS# for QSPI flash
P113
LED3, user LED, blue color
P200
NMI, pull-high with 10K
P201/MD
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.
P205
WS for I2S digital microphone left channel
P206
JLOB VCOM TXD
P207
JLOB VCOM RXD
P208
PMOD GPIO
P212/EXTAL
Clock Crystal, optional, not populated on this kit
P213/XTAL
Clock Crystal, optional, not populated on this kit
P300
Debug, SWCLK for SWD
or TCK for JTAG
P301
WS for I2S digital microphone
P302
PMOD IRQ
P303
PMOD GPIO
P304
PMOD GPIO
P400
LED2, user LED, green color
