ATTINY43U-MU Atmel, ATTINY43U-MU Datasheet - Page 159

• Manufacturer Part Number: ATTINY43U-MU
• Description: MCU AVR 4K FLASH 8MHZ 20-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY43U-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-MLF®, QFN
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 4 Channel
• For Use With: ATSTK600-TINYX3U - STK600 SOCKET/ADAPTER TINYX3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20.7
Table 20-7.
8048B–AVR–03/09
Symbol
V
V
V
V
V
I
V
t
I
f
T
D
V
LOAD
START
IN
S
START
BAT
STOP
BOOST
CC
RPP
S
BATOL
SW
Boost Converter Characteristics
Parameter
Start Voltage
Input Voltage
Shutdown Voltage
Output Voltage
Load Current
Output Voltage Ripple
Start-up Time
Current consumption of entire
device
Switching frequency
Switching period
Duty Cycle
Lowest V
device recovers from overload
Load Regulation:
Line Regulation:
Temperature Regulation:
Characteristics of Boost Converter. T = -20°C ... +85°C, unless otherwise noted
V
-----------------------------------------------------------------------------
V
-----------------------------------------------------------------------------
V
---------------------------------------------------------------------------
CC
CC
CC
LOADMIN
TEMPMAX
VBATMAX
BAT
V
V
V
CC
CC
CC
voltage where
LOADMAX
TEMPNOM
VBATNOM
–
–
–
V
V
V
CC
CC
CC
LOADMAX
VBATMIN
TEMPMIN
V
Condition
Active Mode, I
Low Current Mode
V
V
V
V
MCU not powered
V
MCU not powered
V
MCU in Power Down, WD disabled
V
MCU active, 4MHz
T
Output overload or short circuit removed
T = 25°C, V
Boost converter in Active Mode
T = 25°C, I
Boost converter in Active Mode
V
Boost converter in Active Mode
S
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
= 1 / f
= 0.7V
= 1.0V
= 1.0V, I
= Step Change from 0V to 1.2V
= 0.45V, Converter in Stop Mode
= 1.05V, Converter in Stop Mode
= 1.2V, Active Low Current Mode
= 1.2V, Active Regulated Mode
= 1.2V, I
S
LOAD
BAT
LOAD
LOAD
LOAD
= 1.2V
= 1mA
= 30mA, C
= 1mA
> 1mA
LOAD
= 22µF
1.05
0.45
TBD
Min
0.7
2.7
1.8
75
0
0
8
3
1.05
Typ
100
100
1.2
1.0
3.0
2.7
1.0
2.3
10
2
1
2
5
5
TBD
Max
1.35
13.3
125
1.8
0.7
3.3
3.6
10
30
72
Unit
kHz
mA
mA
mV
mA
ms
µA
µA
µA
µs
%
%
%
%
V
V
V
V
V
V
V
159