ATMEGA16U2-16AU Atmel, ATMEGA16U2-16AU Datasheet - Page 186

• Manufacturer Part Number: ATMEGA16U2-16AU
• Description: 8-bit Microcontrollers - MCU 16K Flash
• Manufacturer: Atmel

Specifications of ATMEGA16U2-16AU

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: AVR
• Data Bus Width: 8 bit
• Program Memory Size: 16 KB
• Data Ram Size: 1.25 KB
• Data Rom Size: 512 B
• Program Memory Type: Flash
• Factory Pack Quantity: 1250

20.3
20.3.1
7799D–AVR–11/10
USB Module Powering Options
Bus Powered device
Depending on the selected target application power supply (V
USB controller requires different powering schemes, see
Figure 20-2. Operating modes versus frequency and power-supply
The following figures show typical implementations for different powering schemes.
Figure 20-3. Typical Bus powered application with 5V I/O
VCC min
VBUS
UVSS
UDM
UDP
5.5
4.5
4.0
3.6
3.0
2.7
0
VCC (V)
USB compliant,
with internal regulator
USB not operational
1µF
USB compliant,
without internal regulator
UCAP
UVCC
UVSS
D+
D-
VSS
XTAL1
ATmega8U2/16U2/32U2
VCC
XTAL2
Figure 20-2 on page
Max
Operating Frequency (MHz)
AVCC
CC
16 MHz
2 MHz
8 MHz
), the ATmega8U2/16U2/32U2
186.
186