ATTINY20-XU Atmel, ATTINY20-XU Datasheet - Page 176

• Manufacturer Part Number: ATTINY20-XU
• Description: MCU AVR 2KB FLASH 12MHZ 14TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY20-XU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: ATtiny
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI, TWI
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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