
User Manual - Rev1.0.2
M13design - 16 Dec. 21
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5.1.4
ADDR / SCI6
The next series of shunts to remove/solder will connect the A09 & A10 signals to the RA6M3. This will
thus disconnect the SCI6 channel as detailed in
Table 53. Multiplexing SC6 & SDRAM Addresses
RA6M3
Pin
RA6M3
Pin Description
Selected
Function
Shunt to remove
Shunt to solder
Deactivated
Function
82
P304 / SCL6 / A09
A09
SH25
SH26
SCI6
81
P305 / SDA6 / A10
A10
SH27
SH28
SCI6
Connecting the SDRAM signal A09 & A10 will deactivate the I²C interface from the MikroBUS
TM
and the
PMOD1 connectors.
5.1.5
PMOD2
The last series of shunts to remove/solder before accessing the SDAM will connect the A05, DQM0 and
the SDCLK signals to the RA6M3. This will remove the Reset functionality and the GPIOs on pin 9 and
10 from the PMOD2 Interface CN14 as detailed in
Table 54. Multiplexing PMOD_RST & SDRAM Address
RA6M3
Pin
RA6M3
Pin Description
Selected
Function
Shunt to remove
Shunt to solder
Deactivated
Function
92
P111 / RPMOD_RST / A05
A05
SH11
SH12
PMOD RST
121
P601 / RXD9 / DQM0
DQM0
SH29
SH30
PMOD IO9
120
P602 / TXD9 / SDCLK
SDCLK
SH31
SH32
PMOD IO10