DFRobot BLE4.1, Руководство пользователя

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Specification
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Processor: DA14681 (ARM Cortex-M0 CPU)
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Operating Voltage: 3.3V
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USB input Voltage: 4.2V ~ 5.0V
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Lithium battery powered: 3.7V
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Support USB charging (chip comes with charging function)
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Charging current: 10mA ~ 400mA (max)
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Allow external lithium battery capacity: 20mAh ~ 500mAh (max)
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Supports low power consumption: only 30uA / MHz minimum 2uA
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Single I / O port maximum output current: 4.5mA
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Allows I / O port maximum output total current: 100mA
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Supports three network connection modes (P2P connection, star network, tree network [Developing])
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Maximum number of slave connections: 4 (simultaneous connection)
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Maximum transfer rate of 4Kbps
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Flash: 8Mbit
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64KB OTP
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128KB Data SRAM
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16KB Cache SRAM
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128KB ROM
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On-chip crystal: 16MHz, 32.768KHz
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Three power management modes: Extended sleep, Deep sleep, Hibernation
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29 digital I / O ports
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8 analog inputs
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1 SPI
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2 I2C (supports 100KHz and 400KHz two communication rates)
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2 UARTs
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6 PWM
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I2S / PCM master-slave interface
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IR interface (PWM)
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Support USB1.1 (computer-side simulation into a serial port)
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Built-in temperature sensor
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Transmit power consumption: 3.4mA (TX) 3.1mA (RX)
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Operating temperature: -40 ~ +85
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Dimension: 25 * 18 * 3 mm/ 0.98 * .70 * 0.11 inches
Layout
Fig1: DFRobot_BLE4.1_Module PinOUT