Digital Features:

• Built-in Andes E801 32-bit Risc MCU
  • One instruction per clock cycle(1T Ins. Cycle)
  • Power On/ Brown Out 1/ Brown Out 2
  • WDT Reset
  • C complier & graphical development tool chain
• Operating Voltage and Temperature Range
  • Digital Circuit: 2.2V~3.6V(HY16F3981) & 2.0V~5.5V(HY16F391x)
  • Analog Circuit: 2.4V ~ 3.2V
  • Operating Temperature: – 40°C ～ 85°C
• Low Power Consumption
  • Standby Mode: Typ. 4.5uA~5uA@LSRC=32KHz
  • Sleep Mode: Typ. 1.8uA~2.5uA
• Memory
  • 64K/128K bytes Flash ROM
  • 8k bytes SRAM
• Timer
  • Watch Dog Timer
  • 3 channels 16-bit Timer
  • Support 2 channels 16-Bit PWM & 4 channels 8-bit PWM
  • Compare and capture function
• Communication Interface
  • Support 2 channels EUART and I²C(Master/Slave) communication interface
  • Support 4-wire 32-bit SPI communication interface
  • Support 2-wire OCD, ICP and ISP function
• Up to 72 GPIO pins (partially shared from LCD pins) are supported
• Built-in Hardware RTC(Real Time Clock) function

Analog Features:

• 24-bit ΣΔADC(Analog to Digital Converter)
  • Max.Sampling Frequency up to 1MHz
  • Second/third order comb filter with conversion frequency of 15~31k sps
  • ADC Gain: x1, x2, x4, x8, x16, x32 ,x64, x128
  • ADC signal amplification can reach 256 times (using HY16F3981 instrument amplifier only)
  • Input referred noise down to 65nVrms@Gain=128
  • Differential input signal and zero adjustment of measurement range
  • High input impedance (built-in input buffer)
  • Low temperature drift coefficient and built-in absolute temperature sensor
• Operating Frequency
  • External Crystal oscillator: 32768Hz ~ 16MHz
  • Built-in ±2% high precision HAO oscillator (after trim)
  • Built-in low power LPO oscillator
• Low Power and Low Temperature Drift Coefficient Power System
  • Built-in programmable VDDA linear regulated supply voltage
  • Built-in 1.2V reference voltage output
• R-Type LCD Driver
  • Support up to 44 segments driving pin
  • Support 1/3~1/8Duty and 1/3~1/4Bias
  • Built-in charge pump voltage can provide a variety of LCD bias voltages
  • LCD pin can be set as input / output pin
• Rail to Rail operation amplifier
  • 1MHz bandwidth, higher than 90dB gain
  • Programmable configuration: unit gain buffer, integrator…etc
  • Supported channel: HY16F3981 x 1 channel, HY16F3913 x 3 channels.
• 12-bit DAC
  • Programable Resistance Ladder
  • With OPAMP, it can be designed as 12 bit DAC
  • Supported channel: HY16F3981 x 1 channel, HY16F3913 x 2 channels
• Multi-function comparator
  • Support external voltage input comparison
  • Up to 15-level Low Voltage Detection
• AC impedance measurementAnalog Front-End hardware (HY16F3913 only)
  • Built-in 24-bit ΣΔADC, two sets of 12-bit DAC, three sets of Rail-to-rail OPAMP and other hardware
  • Electrochemical Analysis
  • Bioelectrical Impedance Analysis Module, the functions are as follows:
    • AC waveform frequency: 122Hz~250KHz
    • Impendence Range: 1K ~ 1MΩ
    • Phase detector: 0~90°