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ADuC Datasheet and Product Info | Analog Devices

The offset calibration coefficient compensates for dc offset errors in both the ADC and the input signal. A read-only status bit that is set during a valid ADC conversion or during a calibration cycle. Timer 2 Digital Input T2. Figure 21 shows typical dynamic performance versus sampling frequency. The 8 bits are transmitted with the least significant bit LSB first.

External Memory Address A1. The Timer 1 interrupt should be disabled in this application. These security modes can be enabled as part of serial download protocol as described in Application Note uC or via parallel programming.

ADuC841 Datasheet PDF

Adkc843 is an enhancement of the 64 kBytes of external data memory space available on a standard compatible core. The CPU status is preserved with the stack pointer and program counter, and all other internal registers maintain their data during idle mode. One cycle is one clock. If a model is not available for web samples, look for notes on the product page that indicate how to request samples or Contact ADI.

Therefore, to ensure specified operation, use a clock frequency of at least kHz and no more daatasheet 20 MHz. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied.


This may be due to the absence of a crystal clock or an external crystal at power-on. Cleared by the user to enable I2C hardware slave mode. The ADC clocks are also derived datashdet the PLL clock, with the modulator rate being the same as the crystal oscillator frequency.

In 0 V-to-VREF mode, DAC loading does not cause high-side voltage drops as long as the reference voltage remains below the upper trace datahseet the corresponding figure. Temperature ranges may vary by model. Set to 0 by the user to select bit mode. System calibration can be initiated to compensate for both internal and external system errors. Brief descriptions of idle and power-down modes follow. Set by software to select counter operation input from T1 pin. Time Clock Enable Bit.

This has adu843 applications for remote battery-powered sensors where regular widely spaced readings are required.

It is measured after adjusting for zero error and full-scale error. The data is transferred as byte-wide 8-bit serial data, MSB first. Cleared by user software to disable serial port reception. Refer to the Dual Data Pointer section. Information furnished by Analog Devices is believed to be accurate and reliable. Eleven bits are transmitted or received: To be more specific, a byte can be programmed only if it already holds the value FFH.

These bits select the serial port operating mode as follows: The I2C interface aduc483 also been enhanced to offer repeated start, general call, and quad addressing. Timer 0 Mode Select Bit 0. Please Select a Region. Baud rate generation is described as part of the UART serial port operation in the following section.


Most standard C compilers will be able to compile these files. Due to environmental concerns, ADI offers many of our products in lead-free versions. User configuration and control of all timer operating modes is achieved via three SFRs: AGND adjc843 the ground reference point for the analog circuitry.

Serial Port Receiver Bit 9. Lock Mode This mode locks the code memory, disabling parallel programming of the program memory. Indicates the packing option of the model Tube, Reel, Tray, etc. ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. In this mode, P2. Watchdog Write Enable Bit. The signal is the rms amplitude of the fundamental. The control and configuration datashdet the interrupt system is carried out through three interrupt-related SFRs: Linearity degradation near ground and VDD is caused by saturation of the output amplifier, and a general representation of its effects neglecting offset and gain error is illustrated in Figure datashset This is the only place where the main and shadow data darasheet are distinguished.


Write Collision Error Bit. Fast Interrupt Response Bit.

TL0 uses the Timer 0 control bits: TI must be cleared by user software.