ATtiny20 Atmel Corporation, ATtiny20 Datasheet - Page 176

• Manufacturer Part Number: ATtiny20
• Manufacturer: Atmel Corporation

Specifications of ATtiny20

• Flash (kbytes): 2 Kbytes
• Pin Count: 14
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 5
• Hardware Qtouch Acquisition: Yes
• 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
• Self Program Memory: NO
• 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: 4
• Input Capture Channels: 1
• Pwm Channels: 3
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

20.5.1
20.5.2
20.6
Table 20-7.
176
Symbol
V
I
t
t
LAC
APD
DPD
AIO
Analog Comparator Characteristics
ATtiny20
Power-On Reset
Brown-Out Detection
Parameter
Input Offset Voltage
Input Leakage Current
Analog Propagation Delay
(from saturation to slight overdrive)
Analog Propagation Delay
(large step change)
Digital Propagation Delay
Analog Comparator Characteristics, T
Table 20-5.
Note:
Table 20-6.
Note:
Symbol
SR
V
V
POR
POA
ON
BODLEVEL[2:0] Fuses
1. Values are guidelines, only
2. Threshold where device is released from reset when voltage is rising
3. The Power-on Reset will not work unless the supply voltage has been below V
1. V
this is the case, the device is tested down to V
antees that a Brown-out Reset will occur before V
operation of the microcontroller is no longer guaranteed.
Parameter
Release threshold of power-on reset
Activation threshold of power-on reset
Power-On Slope Rate
BOT
Characteristics of Enhanced Power-On Reset.
V
BOT
0XX
may be below nominal minimum operating voltage for some devices. For devices where
111
110
101
100
vs. BODLEVEL Fuse Coding
A
= -40°C to +85°C
Condition
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
= 5V, VIN = V
= 5V, VIN = V
= 2.7V
= 4.0V
= 2.7V
= 4.0V
= 1.8V - 5.5
Min
1.7
2.5
4.1
CC
CC
(1)
(2)
/ 2
/ 2
(3)
CC
= V
CC
Typ
1.8
2.7
4.3
BOT
drops to a voltage where correct
Min
-50
BOD Disabled
Min
(1)
0.01
T
1.1
0.6
Reserved
during the production test. This guar-
A
= -40 to +85°C
(1)
< 10
Typ
750
500
100
75
1
Typ
1.4
1.3
Max
(1)
2.0
2.9
4.5
(1)
Max
Max
40
50
2
1.6
1.6
POT
8235B–AVR–04/11
(1)
(falling)
Units
Units
CLK
Units
V/ms
mV
nA
V
ns
V
V