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10 years, 3 months ago.
Internal ADC reference
It's not clear from the datasheet, does the LPC1114 have an internally generated analog reference? Or, do I need to connect AVIN and AGND to VIN and GND respectively?
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Last updated: 30 Jun 2020
The LPC1114FN28 is an ARM Cortex-M0 based, low-cost 32-bit MCU, designed for 8/16-bit microcontroller applications, offering performance, low power, simple instruction set and memory addressing together with reduced code size …
1 Answer
10 years, 3 months ago.
If you want the normal MBED range of ADC, i.e. 0 to 3V3 (or supply)
then connect VSSA to Gnd, and VCCA to VCC,
naturally you can connect them to, for example 1V0 and 2V024,
and get 1mV steps form 1 to 2 volts ...
Hope that was useful.
Ceri
Accepted Answer