ATmega32M1 Automotive Atmel Corporation, ATmega32M1 Automotive Datasheet - Page 263
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ATmega32M1 Automotive
Manufacturer Part Number
ATmega32M1 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATMEGA16M1_AUTOMOTIVE.pdf
(12 pages)
3.ATMEGA16M1_AUTOMOTIVE.pdf
(25 pages)
4.ATMEGA16M1_AUTOMOTIVE.pdf
(367 pages)
Specifications of ATmega32M1 Automotive
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 150
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
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #2
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #3
- ATMEGA16M1_AUTOMOTIVE PDF datasheet #4
- Current page: 263 of 367
- Download datasheet (7Mb)
20.3
7647G–AVR–09/11
Use of ADC Amplifiers
Figure 20-1. Analog Comparator Block Diagram
Notes:
Thanks to AMPCMP0 configuration bit, Comparator 0 positive input can be connected to
Amplifier O output. In that case, the clock of comparator 0 is twice the amplifier 0 clock.
“Amplifier 0 Control and Status register – AMP0CSR” on page 254.
Thanks to AMPCMP1 configuration bit, Comparator 1 positive input can be connected to
Amplifier 1 output. In that case, the clock of comparator 1 is twice the amplifier 1 clock.
“Amplifier 1 Control and Status register – AMP1CSR” on page 255.
Thanks to AMPCMP2 configuration bit, Comparator 2 positive input can be connected to
Amplifier 2 output. In that case, the clock of comparator 2 is twice the amplifier 2 clock.
“Amplifier 1 Control and Status register – AMP1CSR” on page 255.
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 3
+
+
+
-
-
-
REFS0
REFS1
AMP0
AMP1
AMP2
AMPCMP0
AMPCMP1
AMPCMP2
Bandgap
Result
DAC
/1.60
/2.13
/3.20
/6.40
Atmel ATmega16/32/64/M1/C1
Table 18-5 on page
and for Analog Comparator pin placement.
18-4 “ADC Voltage Reference Selection” on page 245
AC0M
2 1 0
AC1M
2 1 0
AC2M
2 1 0
AC3M
2 1 0
CLK
+
-
+
-
+
-
+
-
AC0EN
AC1EN
AC2EN
AC3EN
CLK
(1)(2)
CLK
CLK
I/O
I/O
I/O
I/O
(/2)
(/2)
(/2)
(/2)
246.
Interrupt Sensitivity Control
Interrupt Sensitivity Control
Interrupt Sensitivity Control
Interrupt Sensitivity Control
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
See
See
See
263
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