ATtiny88 datasheet(159/266 Pages) ATMEL

tên linh kiện	ATtiny88

Giải thích chi tiết về linh kiện	8-bit Microcontroller with 4/8K Bytes In-System Programmable Flash

PDF	266 Pages

Scroll/Zoom	100%

nhà sản xuất	ATMEL [ATMEL Corporation]

Trang chủ	http://www.atmel.com

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159 / 266 page

159

8008C–AVR–03/09

ATtiny48/88

Figure 17-1. Analog to Digital Converter Block Schematic Operation

17.3

Operation

In order to be able to use the ADC the Power Reduction bit, PRADC, in the Power Reduction

tion Register” on page 37 for more details.

The ADC converts an analog input voltage to a 10-bit digital value through successive approxi-

mation. The minimum value represents GND and the maximum value represents the reference

voltage. The ADC voltage reference may be selected by writing the REFS0 bit in the ADMUX

CC supply pin and the internal 1.1V voltage reference.

ADC CONVERSION

COMPLETE IRQ

8-BIT DATA BUS

ADC MULTIPLEXER

SELECT (ADMUX)

ADC CTRL. & STATUS

ADC DATA REGISTER

(ADCH/ADCL)

CONVERSION LOGIC

10-BIT DAC

SAMPLE & HOLD

COMPARATOR

INTERNAL 1.1V

REFERENCE

MUX DECODER

AVCC

ADC7

ADC6

ADC5

ADC4

ADC3

ADC2

ADC1

ADC0

ADC MULTIPLEXER

OUTPUT

BANDGAP

REFERENCE

PRESCALER

GND

INPUT

MUX

TEMPERATURE

SENSOR

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