ATtiny167 Atmel Corporation, ATtiny167 Datasheet - Page 212
ATtiny167
Manufacturer Part Number
ATtiny167
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny167
Flash (kbytes)
16 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
3
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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18.1.2
212
ATtiny87/ATtiny167
Analog Compare Negative Input
Table 18-1.
It is possible to select an internal voltage reference to replace the negative input to the Analog
Comparator. The output of a 2-bit DAC using the Internal Voltage Reference of the DAC is
available when ACIRS bit of ACSR register is set. The voltage reference division factor is
done by ACIR[1:0] of ADCSRB register.
If ACIRS is cleared, AIN0 pin is applied to the negative input to the Analog Comparator.
Table 18-2.
ACIRS
ACME
0
1
1
1
1
1
0
x
1
1
1
1
1
1
1
1
1
1
1
1
ACIR[1:0]
0 0
0 1
1 0
1 1
x
x
Analog Comparator Positive Input
Analog Comparator Negative Input
b
b
b
b
ADEN
x
1
0
0
0
0
0
0
0
0
0
0
0
0
REFS[1:0] Analog Comparator Negative Input - Comment
0 0
0 1
1 0
1 1
1 1
1 1
1 1
x
MUX[4:0]
b
b
b
b
b
b
b
0 0000
0 0001
0 0010
0 0100
0 0101
0 1000
0 1001
0 1010
0 0011
0 0110
0 0111
x xxxx
x xxxx
Other
AIN0
Reserved
2.56 V - using Internal 2.56V Voltage Reference
1.28 V (
0.64 V (
0.32 V (
b
b
b
b
b
b
b
b
b
b
b
b
b
1
1
1
AIN1
AIN1
ADC0
ADC1
ADC2
ADC3 / ISRC
ADC4
ADC5
ADC6
ADC7
ADC8
ADC9
ADC10
This doesn’t make sense - Don’t use.
Analog Comparator Positive Input - Comment
/
/
/
2
4
8
of 2.56 V) - using Internal 2.56V Voltage Reference
of 2.56 V - using Internal 2.56V Voltage Reference
of 2.56 V) - using Internal 2.56V Voltage Reference
ADC
ADC
Switched On
Switched Off.
8265B–AVR–09/10
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