Features and Benefits:
- Complete CMOS static design
- 8-bit data bus
- 37 single instructions
- 14-bit instruction length
- 8-level stack
- Operating voltage: 2.3V ~ 5.5V
- Free-running watchdog timer
- Interrupt capacitor
- A/D conversion module
- 8-way analog input forms a 10-bit A/D converter
- Timer 0: 8Bit timer with 3-bit prescaler
Timer 1: 16Bit timer with 2-bit prescaler - 1 Analog Comparator Module
- Low power sleep mode
- PA level change interrupt wake-up
- Power-on reset
- 12 I/O ports that can be independently and directly controlled
- The system input clock can be selected at 4MH or 8MHz.
NE4-CO Carbon Monoxide Gas Sensor
NE4-O3 Ozone Gas Sensor
NE4-H2S Electrochemical hydrogen sulphide (H2S) Gas Sensor
NE4-CO-SI Electrochemical Carbon Monoxide (CO) Gas Sensor
NE4-NO2 Nitrogen Dioxide Gas Sensor 





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