ADUC834: FAQ

Created over 9 years ago
Updated 2 months ago

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ADUC: Addressing up to 16Mbytes of external data memory

Question Can the ADuC microcontroller address up to 16Mbytes of external data memory. Is so, how is it done? Answer The Microcontroller can address up to 16Mbytes of external data memory. If access…
ADUC: Should I connect devices analog and digital ground pins to separate ground planes?

Question The MicroConverter has separate pins for analog and digital grounds. Should I connect these to two separate ground planes on my board? Answer No. At least, not unless the two ground planes…
ADUC824/834 microconverter's temperature sensor

Question Can you please supply the specification for the on-board temperature sensor on the ADUC824/ADUC834 devices? I need an accurate description of the temp channel. This doesn't appear in the datasheets…
ADUC834 : Can I run this device from split supplies, 3.3V DVDD and a 5V AVDD?

Question The ADuC834 has separate pins for analog and digital power supplies. Can I run from a split supply, for example a 3.3V DVDD and a 5V AVDD? Answer Yes, You may run the ADuC834 from split supplies…
ADUC834: Can I convert a single-ended input voltage by grounding one of primary ADC diff inputs?

Question The primary ADC is differential. Can I convert on a single-ended input voltage by grounding one of the inputs?. Answer No, the ADC inputs for the primary ADC cannot be within 100mV of the rails…
ADUC834: Can I use analog inputs on Port 1 pins for digital I/0?

Question Port 1 on the ADuC834 is primarily used for analog inputs. Can I use Port 1 pins for digital I/0? If so, how? Answer Pins 1.2 to P1.7 inclusive are analog input/digital input pins. They have…
ADUC834: Do I need external reset generator?

Question Will I need to implement an external reset generator circuit for my ADuC834 design? Answer No, you will not have to implement an external reset generator. The ADuC834 has an integrated robust…
ADUC834: Does changing the PLL divider value via the CD bits in PLLCON affect the baud rate?

Question Does changing the PLL divider value via the CD bits in PLLCON affect the baud rate? Answer Yes, changing the CD bits does affect the baud rate. The output of the PLL divider is the core clock…
ADUC834: Does changing the PLL divider value via the CD bits in PLLCON affect the baud rate?

Question Does changing the PLL divider value via the CD bits in PLLCON affect the baud rate? Answer Yes, changing the CD bits does affect the baud rate. The output of the PLL divider is the core clock…
ADUC834: Driving LEDs directly from digital outputs, what pins should I use?

Question I want to drive LEDs directly from some digital outputs what pins should I use? Answer The high drive port pins are P1.0 and P1.1. Both of these port pins are tested to sink 10mA and keep the…

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ADUC834: FAQ

ADUC: Addressing up to 16Mbytes of external data memory

ADUC: Should I connect devices analog and digital ground pins to separate ground planes?

ADUC824/834 microconverter's temperature sensor

ADUC834 : Can I run this device from split supplies, 3.3V DVDD and a 5V AVDD?

ADUC834: Can I convert a single-ended input voltage by grounding one of primary ADC diff inputs?

ADUC834: Can I use analog inputs on Port 1 pins for digital I/0?

ADUC834: Do I need external reset generator?

ADUC834: Does changing the PLL divider value via the CD bits in PLLCON affect the baud rate?

ADUC834: Does changing the PLL divider value via the CD bits in PLLCON affect the baud rate?

ADUC834: Driving LEDs directly from digital outputs, what pins should I use?

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