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picocom
-
b
115200
/
dev
/
ttyUSB0
After system bootup, the login console appears on the terminal:
rk3399
-
q7 login:
You can log in as
root
with password
root
or as user
user
with password
user
.
3.7 RS-232 and RS-485
To connect via RS-232 or RS-485, connect to the “
RS232 / RS485
” jack on the base board.
Fig. 3.4: RS-232 connector
The switch labeled “
RS-232 / RS-485
” selects between RS-232 and RS-485 mode on the jack.
In RS-485 mode, the switch labeled “
Full Duplex / Half Duplex
” selects full- or half-duplex mode, respectively. It
has no effect in RS-232 mode, which is always full-duplex.
3.8 TTL UART
UART0 and UART1 are also available through the pin headers “
P12 UART0
” and “
P30 UART1
” next to the “
RS232 /
RS485
” jack. The signal level is 3.3V.
Release v0.2-3-g574c114
Page
10
Содержание RK3399-Q7
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