ATmega32M1 Atmel Corporation, ATmega32M1 Datasheet - Page 255

• Manufacturer Part Number: ATmega32M1
• Manufacturer: Atmel Corporation

Specifications of ATmega32M1

• Flash (kbytes): 32 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 27
• Ext Interrupts: 27
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Can: 1
• Lin: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 2
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 14
• Input Capture Channels: 1
• Pwm Channels: 10
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

Figure 23-1. Analog Comparator Block Diagram
Notes:
8209D–AVR–11/10
ACMPN0
ACMPN1
ACMPN2
ACMPN3
ACMP0
ACMP1
ACMP2
ACMP3
1. ADC multiplexer output: see
2. Refer to
3. The voltage on Vref is defined in
Aref
AVcc
Internal 2.56V
ADC
ADC
ADC
Reference
AMPCMP0
AMPCMP1
AMPCMP2
+
+
+
Figure 1-1 on page 2
-
-
-
REFS0
REFS1
AMP0
AMP1
AMP2
AMPCMP0
AMPCMP1
AMPCMP2
Bandgap
Result
DAC
/1.60
/2.13
/3.20
/6.40
Table 21-5 on page 243
and for Analog Comparator pin placement
21-4 “ADC Voltage Reference Selection” on page 242
(1)(2)
AC0M
2 1 0
AC1M
2 1 0
AC2M
2 1 0
AC3M
2 1 0
CLK
+
-
+
-
+
-
+
-
AC0EN
AC1EN
AC2EN
AC3EN
CLK
CLK
CLK
I/O
I/O
I/O
I/O
(/2)
(/2)
(/2)
(/2)
Interrupt Sensitivity Control
Interrupt Sensitivity Control
Interrupt Sensitivity Control
Interrupt Sensitivity Control
ATmega16M1/32M1/64M1
AC0IS1
AC1IS1
AC2IS1
AC3IS1
AC0IS0
AC1IS0
AC2IS0
AC3IS0
AC0IE
AC1IE
AC1ICE
AC2IE
AC3IE
AC0IF
Analog Comparator 0 Interrupt
AC1IF
Analog Comparator 1 Interrupt
T1 Capture Trigger
AC2IF
Analog Comparator 2 Interrupt
AC3IF
Analog Comparator 3 Interrupt
AC0O
AC1O
AC2O
AC3O
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