ATmega16M1 Automotive Atmel Corporation, ATmega16M1 Automotive Datasheet - Page 270
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ATmega16M1 Automotive
Manufacturer Part Number
ATmega16M1 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 ATmega16M1 Automotive
Flash (kbytes)
16 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)
1
Eeprom (bytes)
512
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: 270 of 367
- Download datasheet (7Mb)
21. Digital to Analog Converter - DAC
21.1
270
Features
Atmel ATmega16/32/64/M1/C1
•
•
•
•
•
•
The ATmega16/32/64/M1/C1 features a 10-bit Digital to Analog Converter. This DAC can be
used for the analog comparators and/or can be output on the D2A pin of the microcontroller
via a dedicated driver.
The DAC has a separate analog supply voltage pin, AV
±0.3V from V
this pin.
The reference voltage is the same as the one used for the ADC,
ter – CLKPR” on page
voltage reference may be externally decoupled at the AREF pin by a capacitor for better noise
performance.
10 bits resolution
8 bits linearity
+/- 0.5 LSB accuracy between 150mV and AVcc-150mV
Vout = DAC*Vref/1023
The DAC could be connected to the negative inputs of the analog comparators and/or to a
dedicated output driver.
The output impedance of the driver is around 100 Ohms. So the driver is able to load a 1nF
capacitance in parallel with a resistor higher than 33K with a time constant around 1us.
CC
. See the paragraph
38.. These nominally 2.56V Vref or AV
“ADC Noise Canceler” on page 237
CC
. AV
CC
CC
See “Clock Prescaler Regis-
are provided On-chip. The
must not differ more than
on how to connect
7647G–AVR–09/11
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