12
2.4.1.7: AUTOPW_ON
Auto power on switch
Pin 1-2: enable auto power on, when the system is connected with an operative power
supply
；
Pin 2-3: Disable auto power on, you need to press the power button the start the system
(default).
Pin# Definitions
Pin1-2 Enable
Pin2-3 Disable
（
default
）
2.4.1.8:JD1
External LED and buzzer pin, Pin1-3 Power LED, Pin4-7 external buzzer, Pin6-7 internal buzzer, the
default Pin6-7;
Pin# Definitions
Pin# Definitions
1 3.3V
2 GND
3 GDN
4 SPKR+
5 NC
6 SPK-
7 SPKR-
Pin# Definitions
Pin1-3 PowerLED
Pin4-7 External Spaker
Pin6-7 Internal Spaker(Default)
Summary of Contents for N21M-MV
Page 1: ...N21M MV...
