ATtiny24 Automotive Atmel Corporation, ATtiny24 Automotive Datasheet - Page 187
ATtiny24 Automotive
Manufacturer Part Number
ATtiny24 Automotive
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny24 Automotive
Flash (kbytes)
2 Kbytes
Pin Count
14
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
4
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)
0.12
Eeprom (bytes)
128
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
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23. Typical Characteristics – Preliminary Data
23.1
7701E–AVR–02/11
Active Supply Current
The data contained in this section is largely based on simulations and characterization of sim-
ilar devices in the same process and design methods. Thus, the data should be treated as
indications of how the part will behave.
The following charts show typical behavior. These figures are not tested during manufacturing.
All current consumption measurements are performed with all I/O pins configured as inputs
and with internal pull-ups enabled. A sine wave generator with rail-to-rail output is used as
clock source.
The power consumption in Power-down mode is independent of clock selection.
The current consumption is a function of several factors such as: operating voltage, operating
frequency, loading of I/O pins, switching rate of I/O pins, code executed and ambient tempera-
ture. The dominating factors are operating voltage and frequency.
The current drawn from capacitive loaded pins may be estimated (for one pin) as C
where C
I/O pin.
The parts are characterized at frequencies higher than test limits. Parts are not guaranteed to
function properly at frequencies higher than the ordering code indicates.
The difference between current consumption in Power-down mode with Watchdog Timer
enabled and Power-down mode with Watchdog Timer disabled represents the differential cur-
rent drawn by the Watchdog Timer.
Figure 23-1. Active Supply Current vs. Low Frequency (0.1 - 1.0MHz) - Temp.=25°C
L
1.2
0.8
0.6
0.4
0.2
= load capacitance, V
1
0
0
0.1
0.2
Atmel ATtiny24/44/84 [Preliminary]
ACTIVE S UP P LY CURRENT vs . LOW FREQUENCY
CC
0.3
= operating voltage and f = average switching frequency of
0.1 - 1.0 MHz - Temperature = 25˚C
0.4
Frequency (MHz)
0.5
0.6
0.7
0.8
0.9
1
5.5 V
5.0 V
4.5 V
3.3 V
3.0 V
2.7 V
L
*
V
187
CC
*f
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