NimbeLink Skywire RL78, User Manual

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should be configured to SPI MODE0, most Significant bit first, and the clocking rate must
be ​ ​ 16 ​ ​ MHz ​ ​ or ​ ​ lower.
Configuration
​ ​
Step Register Register
​ ​
Address Value Notes
1 LCR 0x03
0xBF
Configure
​ ​
LCR
​ ​
for
​ ​
EFR
​ ​
write
2 EFR 0x02 0x10
Configure
​ ​
EFR
3 LCR 0x03
0xB0
Configure
​ ​
LCR
​ ​
for
​ ​
Baud
​ ​
rate
​ ​
config
4 DLL 0x00
0x08
Configure
​ ​
baud
​ ​
rate
​ ​
for
​ ​
115200
​ ​
bps
5 DLM 0x01
0x00
Configure
​ ​
baud
​ ​
rate
​ ​
for
​ ​
115200
​ ​
bps
6 DLD 0x02
0x00
Configure
​ ​
baud
​ ​
rate
​ ​
for
​ ​
115200
​ ​
bps
7 MCR 0x04
0x03
Configure
​ ​
clock
​ ​
prescaler
8 LCR 0x03
0xBF
Write
​ ​
LCR
​ ​
for
​ ​
EFR
​ ​
write
9 EFR 0x02
0x00
Disable
​ ​
config
​ ​
mode
10 LCR 0x03
0x03
Reset
​ ​
LCR
​ ​
for
​ ​
operation
​ ​
mode
11 LCR 0x02 0x07
Enable
​ ​
and
​ ​
clear
​ ​
FIFOs
3.1.6 Board ​ ​ Orientation
The adapter should be connected to the RL78/G13 Demonstration kit with the
Skywire modem facing towards the demonstration kit as shown below or with a
right
​ ​
angle
​ ​
adaptor
​ ​
with
​ ​
the
​ ​
Skywire
​ ​
Modem
​ ​
facing
​ ​
upwards.
3.2 Renesas ​ ​ Kurumi ​ ​ Adapter
3.2.1 About
The ​ ​ Renesas ​ ​ Kurumi ​ ​ interface ​ ​ on ​ ​ the ​ ​ Skywire ​ ​ RL78-Kurumi ​ ​ Adapter ​ ​ provides ​ ​ a
UART
​ ​
connection
​ ​
between
​ ​
the
​ ​
two
​ ​
boards.
PN ​ ​ 30018 ​ ​ rev ​ ​ 2 ​ © ​ ​ NimbeLink ​ ​ Corp. ​ ​ 2017. ​ ​ All ​ ​ rights ​ ​ reserved. 9