ATTINY43U-MUR Atmel, ATTINY43U-MUR Datasheet - Page 115
ATTINY43U-MUR
Manufacturer Part Number
ATTINY43U-MUR
Description
MCU AVR 4KB FLASH 8MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY43U-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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16. Analog to Digital Converter
16.1
16.2
8048B–AVR–03/09
Features
Overview
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ATtiny43U features a 10-bit, successive approximation Analog-to-Digital Converter (ADC). A
block diagram of the ADC is shown in
Figure 16-1. Analog to Digital Converter Block Schematic
10-bit Resolution
1 LSB Integral Non-linearity
± 2 LSB Absolute Accuracy
13µs Conversion Time
15 kSPS at Maximum Resolution
Four Multiplexed Single Ended Input Channels
Temperature Sensor Input Channel
Optional Left Adjustment for ADC Result Readout
0 - V
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 Cancele
CC
ADC Input Voltage Range
ADC3
ADC3
ADC2
ADC2
ADC1
ADC1
ADC0
ADC0
VBAT
VBAT
V
CC
CC
TEMPERATURE
TEMPERATURE
REFERENCE
REFERENCE
INTERNAL
INTERNAL
SENSOR
SENSOR
1/2
1/2
8-BIT DATA BUS
AGND
ADMUX
ADMUX
DECODER
DECODER
ADCSRB
ADCSRB
Figure
INPUT
INPUT
MUX
MUX
TRIGGER
TRIGGER
SELECT
SELECT
16-1.
10-BIT DAC
10-BIT DAC
PRESCALER
PRESCALER
ADCSRA
ADCSRA
CONVERSION LOGIC
CONVERSION LOGIC
SAMPLE & HOLD
SAMPLE & HOLD
COMPARATOR
COMPARATOR
-
+
ADCH+ADCL
ADCH+ADCL
ADC MUX OUTPUT
ADC MUX OUTPUT
ADC IRQ
ADC IRQ
115
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