DFRobot DFR0489 Manual - Page 2

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Specification



Operating Voltage: 3.3V

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Input Voltage (limits): 3.3~5V (Lithium Battery:3.7V & USB:5V)



Microcontroller: Tensilica L106 (32-bit MCU)

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Clock Speed: 80MHz (Maximum: 160MHz)

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SRAM：50KB

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External Flash Memory: 16MB

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DC Current in the Low-Power-Consumption: 46uA

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Average Operating Current: 80mA

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Maximum Discharging Current: 600mA (LDO-3.3 Output)

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Maximum Charging Current: 500mA

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Digital Pin x10

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Analog Pin x1

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SPI interface x1

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I2C interface x1

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IR interface x1

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I2S interface x1

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Interface: XH2.54mm Pin (No soldering default)

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In Combination of Wi-Fi MAC/ BB/RF/PA/LNA

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WiFi: IEEE802.11 b/g/n (2.4 GHz~2.5 GHz), not support 5GHz WiFi



Operating Temperature: -10 ~+55



Dimension: 58 × 29(mm)



Weight: 24g

Board Overview

FireBeetle Board - ESP8266 is not only compatible with ESP8266 PinMap, but also make a special

compatible with Arduino IDE PinMap. Dx (x=0,1,2,3...9)

Fig1: FireBeetle Board-ESP8266 PinOUT



CHG Blink = not connect battery; Light on = Charging; Light off = Charge complete

Note: NC = Empty; VCC = VCC (5V under USB power supply, Around 3.7V under 3.7V lipo

battery.power supply)