atmega32c1 ATMEL Corporation, atmega32c1 Datasheet - Page 228

• Manufacturer Part Number: atmega32c1
• Description: Atmega32m1 Automotive 8-bit Avr Microcontroller With 32k/64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Figure 18-1. Analog to Digital Converter Block Schematic
228
ATmega32/64/M1/C1
AMP1+/ADC9
AMP2-/ADC6
AMP1-/ADC8
AREF / ISRC
Temp Sensor
AMP0+
AMP2+
ADC10
AMP0-
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC7
AVCC
GND
Bandgap
AMP2CSR
REFS1
VCC/4
ISRC
-
REFS0
Internal 2.56V
AMP0CSR
Reference
ADLAR
-
ISRC
+
-
+
-
-
MUX4
ADMUX
ADASCR
REFS0
AMP1CSR
Detector
+
MUX3
ADCSRB
-
Edge
ADTS3
ISRCEN
MUX2
ADTS2
MUX1
ADATE
ADTS1
AREFEN
MUX0
Current
Source
ADTS0
REFS1
CONTROL
ADEN
ADSC
+
-
Coarse/Fine DAC
ADATE
ADIF
ADCSRA
CK
ADIE
CK
SAR
10
ADC
ADPS2
PRESCALER
CK
ADPS1
ADC
ADPS0
10
10
ADC CONVERSION
7647A–AVR–02/08
COMPLETE IRQ
ADCH
ADCL