BAE0910 five i/o 1-wire slave chip

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£15.53
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5 port 1-wire slave.

BAE0910 five i/o 1-wire slave chip

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Description

This compact SOIC-8 chip has many features and can be used as an effective substitute for many no longer available Maxim chips such as the  DS2423 counter and the DS2450 A/D convertor.

Five I/O pins allows various functions:

  • One to four 16 bits PWM: two hardware (PWM1 & 2) + two software(PWM3 & 4)
  • One 8 bits ADC input 0 to 5V
  • One 32 bits counter
  • One strong (20mA) digital output
  • One PIO, software selectable as INPUT or OUTPUT (20ma)

Special capabilities:

  • The embedded firmware is upgradable directly from the 1-wire bus
  • An integrated Automation Engine allows autonomous reaction to inputs events

Compatibility with 1-wire protocol:

  • Standard speed operation: protocol implemented with low latency interrupts in background.
  • Support every standard ROM commands: read rom, match rom, search rom, skip rom, resume rom, conditional search
  • Unique serial number
  • Family code 0xFC: future devices will use this family code. The read_type & read_version commands allows determining the model/revision.
  • Control functions: see FUNCTION COMMANDS page

Additional features:

  • 32 bits RTC clock incrementing each second.
  • PIO has configurable internal pull-up / pull-down resistor
  • 32 bits counter is configurable on rising/falling edge
  • 4096 bits EEPROM storage
  • PWM
  • Versatile clock allows range from 2Hz to 8MHz
  • Polarity selectable
  • 0% and 100% duty cycle possible
  • ADC
  • Works in continuous conversion mode (no start conversion command)
  • Calculate average over one second (configurable from 2 to 4000 samples/sec)
  • Sums every one second averages in 32 bits accumulators
  • Registers maintain min and max measured
  • Configurable alarms for conditional search
  • 8 bits samples can be handled as unsigned or signed (middle offset)
  • Signed samples can accumulate on distinct counters
  • Firmware upgradable via 1-wire bus

Physical characteristics:

  • Single chip microcontroller based solution in an 8-pin SOIC.
  • 5.0V supply voltage, 8mA typical consumption
  • Powerful 32MHz operation
  • Fully functional without additional external components
  • Powered by Freescale MC9S08SH8CSC microcontroller

Typical usage: extend the functionalities available on 1-wire networks

  • PWM
  • Very precise servo controller for toys, webcams, …
  • DC Motor controller (require power drivers like mosfet or H-drive)
  • Buzzer control with programmable volume and tone
  • LEDcontrol (dimming down to led blinking (2Hz))
  • RGB leds: precise control of intensity for each component of RGB LED’s
  • ADC
  • Watt-meter with adc accumulators
  • Solar energy meter
  • Counter
  • Water-meter
  • Ammeter
  • Passage count

Additional Information

Delivery Normally delivered from stock
SKU hc00345
Technical Information

Full datasheet available here.

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