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  • Interfacing Microchip MCP3201 A/D Converter to 8051-Based Microcontroller
    between the shifted bits and SBUF data. RS-232 data transfers, the bit order expected is LSb. received by the UART. Example 2 shows a code mod-. first. The shift register Mode0 also uses this bit order. ule for using the synchronous port as the interface. The. As shown in Figure 1, the first 12 bits
  • PIC14C000 A/D Theory and Implementation
    . Battery voltage, current, and temperature. data will be acquired. This data will then be transmitted. via RS-232 to a remote PC host. SLOPE A/D CONVERSION. 0 t0. t1. Time. With the addition of an external capacitor, the analog. V. front end of the PIC14C000 can be used as a slope A/D. IN = Analog
  • Care and Feeding of the PIC16C74 and Its Peripherals
    A/D value may float around. The second trimpot is only used to show a method of changing A/D input pins. If you are using the PICDEM 2 board, then the LED and a current limiting resistor must be connected to the PWM output. When the program is run, the RS-232 terminal will display two A/D values
  • Hyperbit: Patented New Technology Increases DAC Resolution and Provides Improved Positioning Resolution.
    (DAC) chip someplace in the system (Figure 1). Besides being embedded in digital piezo controllers, DACs are commonly used to command analog servos, either from a card in the user's PC or OEM tool, or embedded into the servocontroller so computer interfaces like RS-232 can be provided. HypderBit
  • Interfacing Microchips MCP3201 ADC to MC68HC11E9-Based Microcontroller
    8-bits are received and written to the RAM vari-. Finally, a simple RS-232 interface is implemented using. able RESULT_LSB. Here the composite result, located. the USART peripheral of the microcontroller and a. in variables RESULT_MSB and RESULT_LSB is right. MAX233 transceiver IC. The USART
  • Switch Mode Battery Eliminator Based on a PIC16C72A
    . • Commutating diode (D10). by two push buttons on PORTA. These devices form the core of all switch mode buck. Optional components not installed in this project. converters. include a serial EEPROM to store the last voltage set-. ting and a level translator to convert TTL to RS-232 for. communications
  • HR2000 Spectrometer OEM Data Sheet
    (Care must be taken to insure that. the peripheral complies with USB Specifications). RS232 Tx. Output. RS232 Transmit signal – for communication with PC connect to DB9 pin 2. RS232 Rx. Input. RS232 Receive signal – for communication with PC connect to DB9 pin 3. Lamp Enable. Output. A TTL signal
  • HR4000 Spectrometer OEM Data Sheet
    . Continuous Strobe. 21. SPI Chip Select. 22. GPIO(6). 23. Analog In (0-5V). 24. Analog Out (0-5V). 25. Lamp Enable. 26. GPIO(7). 27. Ground. 28. GPIO(8). 29. Ground. 30. GPIO(9). 210-00000-000-05-0209. 5. HR4000 Data Sheet. Pin #. Function. Input/Output. Description. 1. RS232 Rx. Output. RS232 Receive