ATTINY43U-MU Atmel, ATTINY43U-MU Datasheet - Page 174

• 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

26. Errata
26.1
26.1.1
26.1.2
26.1.3
174
ATtiny43U
ATtiny43U
Rev. C
Rev. B
Rev. A
The revision letter in this section refers to the revision of the ATtiny43U device.
•
1. Increased Probability of Boost Converter Entering Active Low Current Mode
Not sampled.
Not sampled.
Increased Probability of Boost Converter Entering Active Low Current Mode
The boost converter may enter and stay in Active Low Current Mode at supply voltages and
load currents higher than those specified. This is due to high switching currents in bonding
wires of the SOIC package. Devices packaged in MLF are not affected.
Problem Fix / Workaround
Add a 1.5nF capacitor between pins LSW and GND of the SOIC package. Also, increase the
value of the by-pass capacitor between pins V
Alternatively, use the device in MLF, without modifications.
CC
and GND to at least 30µF.
8048B–AVR–03/09