ATtiny45 Automotive Atmel Corporation, ATtiny45 Automotive Datasheet - Page 180
ATtiny45 Automotive
Manufacturer Part Number
ATtiny45 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATTINY25_AUTOMOTIVE.pdf
(7 pages)
3.ATTINY25_AUTOMOTIVE.pdf
(196 pages)
4.ATTINY45_AUTOMOTIVE.pdf
(25 pages)
Specifications of ATtiny45 Automotive
Flash (kbytes)
4 Kbytes
Pin Count
8
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
3
Hardware Qtouch Acquisition
No
Max I/o Pins
6
Ext Interrupts
6
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
256
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
5
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATTINY25_AUTOMOTIVE PDF datasheet #2
- ATTINY25_AUTOMOTIVE PDF datasheet #3
- ATTINY45_AUTOMOTIVE PDF datasheet #4
- Current page: 180 of 225
- Download datasheet (4Mb)
22.3
22.3.1
Table 22-2.
22.3.2
Figure 22-2. External Clock Drive Waveforms
22.3.3
Table 22-3.
180
Factory
Calibration
User Calibration
Oscillator Jitter
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
Clock Characterizations
Atmel ATtiny24/44/84 [Preliminary]
Calibrated Internal RC Oscillator Accuracy
External Clock Drive Waveforms
External Clock Drive
Parameter
Clock Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock cycle to the next
Calibration Accuracy of Internal RC Oscillator
External Clock Drive
Note:
Example: with Oscillator divided by 32, jitter standard deviation will be 32
V
7.3 - 8.1MHz
Frequency
IL1
8.0MHz
8.0MHz
V
IH1
1. The overall jitter increase proportionally to the divider ratio
2.7V - 5.5V
2.7V - 5.5V
V
3V
CC
Min.
100
40
40
V
0
CC
= 2.7 - 5.5V
-40°C - 125°C
Temperature
-40°C - 125°
25°C
Max.
1.6
1.6
10
2
Min.
V
50
20
20
0
Standard Deviation 0.4ns
CC
= 4.5 - 5.5V
Accuracy
Max.
0.4ns = 12.8ns.
0.5
0.5
20
±20%
2
±2%
7701E–AVR–02/11
Units
MHz
ns
ns
ns
µs
µs
%
(1)
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