ATtiny44 Automotive Atmel Corporation, ATtiny44 Automotive Datasheet - Page 3

• Manufacturer Part Number: ATtiny44 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATtiny44 Automotive

• Flash (kbytes): 4 Kbytes
• Pin Count: 14
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 6
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 12
• Ext Interrupts: 12
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• 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 125
• 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: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

1.3
1.4
Table 1-1.
1.5
Table 1-2.
7819C–AVR–10/10
*) Type means: A = 100% tested, C = Characterized on samples
Note:
User Calibration
Maximum Speed versus V
Clock Characterizations
System and Reset Characterizations
1. V
BODLEVEL
is tested down to V
drops to a voltage where correct operation of the microcontroller is no longer guaranteed
BOT
111
110
001
000
010
011
101
Calibration Accuracy of Internal RC Oscillator
BODLEVEL Fuse Coding
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device
Maximum frequency is dependent on V
vs. V
Figure 1-1.
CC
= V
CC
7.3MHz to 8.1MHz
BOT
curve is linear between 1.8V < V
Frequency
Min V
during the production test. This guarantees that a Brown-out Reset will occur before V
(1)
1.7
1.7
1.8
2.0
2.1
2.5
CC
Maximum Frequency versus V
BOT
Atmel ATtiny24V/44V/84V [Preliminary]
4 MHz
8 MHz
1.8V to 3.6V
Typ V
1.8V
V
1.8
1.9
2.0
2.2
2.3
2.7
CC
BOD Disabled
BOT
Safe Operating Area
CC.
CC
As shown in
< 3.6V.
CC
–40 C to +85 C
2.7V
Temperature
Max V
2.0
2.1
2.2
2.4
2.5
2.9
BOT
Figure
1-1, the Maximum Frequency
3.6V
Unit
V
Accuracy
±25%
Note
A
C
C
C
C
A
CC
3