ATtiny167 Automotive Atmel Corporation, ATtiny167 Automotive Datasheet - Page 28
ATtiny167 Automotive
Manufacturer Part Number
ATtiny167 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATTINY167_AUTOMOTIVE.pdf
(10 pages)
3.ATTINY167_AUTOMOTIVE.pdf
(283 pages)
Specifications of ATtiny167 Automotive
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 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
3
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATTINY167_AUTOMOTIVE PDF datasheet #2
- ATTINY167_AUTOMOTIVE PDF datasheet #3
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4.2.4
28
ATtiny87/ATtiny167
Crystal Oscillator
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be
configured for use as an On-chip Oscillator, as shown in
a ceramic resonator may be used.
C1 and C2 should always be equal for both crystals and resonators. The optimal value of the
capacitors depends on the crystal or resonator in use, the amount of stray capacitance, and
the electromagnetic noise of the environment. Some initial guidelines for choosing capacitors
for use with crystals are given in
by the manufacturer should be used.
Figure 4-2.
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by CKSEL3..1 fuses or by CSEL3..1 field as shown in
Table
Table 4-6.
Notes:
CKSEL3..1
CSEL3..1
4-6.
100
101
110
111
1. Flash Fuse bits.
2. CLKSELR register bits.
3. This option should not be used with crystals, only with ceramic resonators.
(3)
(2)
(1)
Crystal Oscillator Connections
Crystal Oscillator Operating Modes
Frequency Range (MHz)
8.0 - 16.0
0.4 - 0.9
0.9 - 3.0
3.0 - 8.0
Table
C2
C1
4-6. For ceramic resonators, the capacitor values given
Recommended Range for Capacitors
C1 and C2 for Use with Crystals (pF)
XTAL2
XTAL1
GND
Figure
4-2. Either a quartz crystal or
12 - 22
12 - 22
12 - 22
–
7728G–AVR–06/10
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