ATtiny13A datasheet(82/174 Pages) ATMEL

82 / 174 page

8126D–AVR–11/09

ATtiny13A

14. Analog to Digital Converter

14.1 Features

• 10-bit Resolution

• 0.5 LSB Integral Non-linearity

• ± 2 LSB Absolute Accuracy

• 13 - 260 µs Conversion Time

• Up to 15 kSPS at Maximum Resolution

• Four Multiplexed Single Ended Input Channels

• Optional Left Adjustment for ADC Result Readout

• 0 - VCC ADC Input Voltage Range

• Selectable 1.1V ADC Reference Voltage

• Free Running or Single Conversion Mode

• ADC Start Conversion by Auto Triggering on Interrupt Sources

• Interrupt on ADC Conversion Complete

• Sleep Mode Noise Canceler

14.2 Overview

The ATtiny13A features a 10-bit successive approximation ADC. A block diagram of the ADC is

shown in Figure 14-1.

Figure 14-1. Analog to Digital Converter Block Schematic

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

ADC3

ADC2

ADC1

ADC0

ADC MULTIPLEXER

OUTPUT

PRESCALER

INPUT

MUX

TRIGGER

SELECT

ADTS[2:0]

INTERRUPT

FLAGS

START

ATtiny13A Datenblatt(PDF) 82 Page - ATMEL Corporation

ATtiny13A Datenblatt(HTML) 82 Page - ATMEL Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datenblatt Download

Link URL