4
Introduction
UC-00-M30 EN R1.0
level is LVTTL. The baud rate can be configured up to 460800 bps.
Ensure that UART1 is
connected to a PC or an external processor for firmware upgrade.
UART2 only supports data transmission and can’t be used for firmware upgrade.
1PPS
UM620N outputs 1PPS with adjustable pulse width and polarity.
1PPS is not for timing application.
nRESET
Active low, and the active time is required to last at least 10 ms.
