ADuC/ADuC/ADuC Rev. B. Document Feedback. Information furnished by Analog Devices is believed to be accurate and reliable. However, no. The ADuC also incorporates additional analog functionality WA TCHDO G TIME R. UART,I2C AND SPI. SERIA L I/O. ADuC XT AL2 .. data sheet. ADUC datasheet, ADUC circuit, ADUC data sheet: AD – MicroConverter Bit ADCs and DACs with Embedded High Speed kB Flash MCU.

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EADRL can equal any of 64 locations within the page. Cleared by the user to disable the fast interrupt response feature.

aduc datasheet & applicatoin notes – Datasheet Archive

To get the part into download mode, simply connect this jumper and power-cycle the device or manually reset the device, if a manual reset button is availableand it is then ready to serially receive a new program. A datasheeet of the SFRs used to control and configure these peripherals is also given. This means that if a zero output is desired during power-up or power-down transient conditions, then a pulldown resistor must be added to each Aduc81 output.

Power supply monitor PSM. The historians make to go back adjc841 word Brindisi to dztasheet ancient term. If, for example, only bit performance is required, write 0s to the four LSBs. An interrupt cannot be interrupted by another interrupt of the same priority level. Relative accuracy or endpoint linearity is a measure of the maximum deviation from a straight line passing through the endpoints of the DAC transfer function.

The SFR registers include control, configuration, and data registers, which provide an interface between the CPU and other on-chip peripherals. The Table 11 illustrates examples of how source impedance can affect dc accuracy. The stack can be located anywhere in the internal memory address space, and the stack depth can be expanded up to bytes. Assuming a valid start bit is detected, character datasheer continues. Operation of the ADC or DACs with a reference voltage below 1 V, however, may incur loss of accuracy, eventually resulting in missing codes or nonmonotonicity.


Set by the user to enable, or cleared to disable Timer 2 interrupts. To be aduc814 with the standard connector that comes with the single-pin emulator available from Accutron Limited www.

They are not necessary if the op amp is powered from the same supply as the part since in that case the op amp is unable to generate voltages above VDD or below ground. In addition to datashert basic UART connections, users also need a way to trigger the chip into download mode.

Timer 0 Run Control Bit. In either case, if Timer 2 is being used to generate the baud rate, the TF2 interrupt flag does not occur.

ADuC841 Datasheet PDF

A high level on this pin for 24 master clock cycles while the oscillator is running resets the device. To be more specific, a byte can be programmed only if it already holds the value FFH. The bit result and the channel ID of the conversion performed in the previous cycle is written to the external memory.

On-chip factory firmware supports in-circuit serial download and debug modes via UART as well ratasheet single-pin emulation mode via the EA pin. This pin function must be enabled via the CFG register. The SPI port can be configured for master or slave operation and typically consists of four pins, described in the following sections.

The system consists of the following PC based Windows compatible hardware and datashset development tools. TI must be cleared by user software. PWM Mode 2 Mode 3: This is also the case for use of the extended stack pointer.

In an interrupt driven routine, the MicroConverter would datashet have to jump to the ADC interrupt service routine, which also increases the time required to store the ADC results.

Refer to the Dual Data Pointer section. Integrated Route Taken to Pulse Oximetry. Timer 1 Timer or Counter Select Bit.

External Memory Addresses A8. All registers except the program counter and the four generalpurpose register banks reside in the special function register SFR area. The part continues to issue interrupts for each complete data byte transferred until a stop condition is received or the interface is reset.


Watchdog Write Enable Bit. Set by the watchdog controller to indicate that a watchdog timeout has occurred. An op amp of some kind is necessary unless the signal source is very low impedance to begin with. Trademarks and registered trademarks are the property of their respective owners. Status Status indicates the current lifecycle of the product. Set to enable Timer 3 to generate datashdet baud rate. One hardware solution is to choose a very fast settling op amp to drive each analog input.

Cleared by the user to enable Timer 1 overflow to be used for the transmit clock. A read-only status bit that is set during a valid ADC conversion or during a calibration cycle. International prices may vary due to local duties, taxes, fees and exchange rates.

Because Timer 2 has bit autoreload capability, very low baud rates are still possible. Port 3 is a bidirectional port with internal pull-up resistors. When the DMA mode logic is active, it takes the responsibility of storing the ADC results away from both the user and the core logic of the part.


The 9th bit is most often used as a parity bit, although it can be used for anything, including a 9th data bit if required. Since a machine cycle on a single-cycle core consists of one core clock period, the maximum count rate is the datashheet clock frequency.

No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Lock Mode This mode locks the code memory, disabling parallel programming of the program memory.

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