ATmega16M1 Automotive Atmel Corporation, ATmega16M1 Automotive Datasheet - Page 261
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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: 261 of 367
- Download datasheet (7Mb)
19.2.4
19.3
19.3.1
7647G–AVR–09/11
Control Register
Threshold Reference for Internal Analog Comparator
ADC Control and Status Register B– ADCSRB
An external resistor used in conjunction with the Current Source can be used as threshold ref-
erence for internal Analog Comparator
connected to AIN0 (negative Analog Compare input pin) as well as AIN1 (positive Analog
Compare input pin). Using a resistor in serie with a lower tolerance than the Current Source
accuracy ( 2%) is recommended.
standard values of resistors.
Bit
Read/Write
Initial Value
• Bit 6 – ISRCEN: Current Source Enable
Set this bit to source a 100µA current to the AREF pin.
Clear this bit to disconnect .
• Bit 5 – AREFEN: Analog Reference pin Enable
Set this bit to connect the internal AREF circuit to the AREF pin.
Clear this bit to disconnect the internal AREF circuit from the AREF pin.
ADHSM
R/W
7
0
ISRCEN
R/W
6
0
AREFEN
R/W
Table 19-2
5
0
Atmel ATmega16/32/64/M1/C1
(See ”Analog Comparator” on page
R
4
0
-
gives an example of threshold references using
ADTS3
R/W
3
0
ADTS2
R/W
2
0
ADTS1
R/W
1
0
262.). This can be
ADTS0
R/W
0
0
ADCSRB
261
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