atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 312

• Manufacturer Part Number: atmega32u4-16mu
• Description: Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
• Manufacturer: ATMEL Corporation

Figure 25-1. Analog to Digital Converter Block Schematic
312
ATmega32U4
ADC13
ADC12
ADC11
ADC10
ADC9
ADC8
ADC7
ADC6
ADC5
ADC4
ADC1
ADC0
AREF
AVCC
GND
TEMPERATURE
REFERENCE
REFERENCE
INTERNAL
8-BIT DATA BUS
BANDGAP
SENSOR
INPUT
INPUT
NEG.
MUX
POS.
MUX
ADC MULTIPLEXER
SELECT (ADMUX)
MUX DECODER
+
-
SINGLE ENDED / DIFFERENTIAL SELECTION
DIFFERENTIAL
AMPLIFIER
10-BIT DAC
ADC CTRL. & STATUS
REGISTER (ADCSRA)
ADC CONVERSION
COMPLETE IRQ
PRESCALER
CONVERSION LOGIC
ADTS[3:0]
INTERRUPT
TRIGGER
SELECT
FLAGS
SAMPLE & HOLD
COMPARATOR
15
ADC DATA REGISTER
+
-
(ADCH/ADCL)
ADC MULTIPLEXER
OUTPUT
ADHSM
0
7766A–AVR–03/08