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| M0519 Datasheet, PDF (27/69 Pages) List of Unclassifed Manufacturers – 32-bit Microcontroller | |||
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M0519
6.2.3 System Power Distribution
In this chip, the power distribution is divided into two segments.
ï¬ Analog power from AVDD and AVSS provides the power for analog components
operation.
ï¬ Digital power from VDD and VSS supplies the power to the I/O pins and internal
regulator which provides a fixed 1.8V power for digital operation.
The output of internal voltage regulators, LDO_CAP, requires an external capacitor which should
be located close to the corresponding pin. Analog power (AVDD) should be the same voltage level
of the digital power (VDD).
AVDD
AVSS
XT1_IN
XT1_OUT
12-bit
SAR-ADC
Analog
Comparator
OPA
Brown-
out
Detector
Low
Voltage
Reset
Temperature
Seneor
FLASH
Digital Logic
Internal
22.1184 MHz & 10 kHz
Oscillator
4~24MHz
Crystal
PLL
POR18
POR50
1.8V
LDO
IO cell
LDO_CAP
1uF
GPIO
Figure 6-2 NuMicro® M0519 Series Power Distribution Diagram
Nov. 02, 2016
Page 27 of 69
Rev 1.02
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