ATMEGA16U2-MU Atmel, ATMEGA16U2-MU Datasheet - Page 216
ATMEGA16U2-MU
Manufacturer Part Number
ATMEGA16U2-MU
Description
MCU AVR 16K FLASH USB 32-VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16U2-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Core
AVR8
Processor Series
ATMEGA16x
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
Data Ram Size
1.25 KB
Data Rom Size
512 B
Number Of Programmable I/os
22
Number Of Timers
2
Mounting Style
SMD/SMT
Height
0.95 mm
Interface Type
SPI, UART
Length
5 mm
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
5 mm
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA16U2-MU
Manufacturer:
RALINK
Quantity:
2 400
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21.18.12 UECFG1X – USB Endpoint Configuration 1 Register
7799D–AVR–11/10
• Bit 7 – Res: Reserved
This bit is reserved and will always read as zero.
• Bit 6:4 – EPSIZE[2:0]: Endpoint Size Bits
These bits configure the endpoint size for the selected endpoint as shown in
Table 21-3.
• Bits 3:2 – EPBK[1:0]: Endpoint Bank Bits
These bits configure the number of banks that is allocated to the selected endpoint as shown in
Table
Table 21-4.
• Bit 1 – ALLOC: Endpoint Allocation Bit
Writing this to one allows to allocate the specified amount of memory (endpoint size x number of
banks) for the selected endpoint. Writing this bit to zero allows to free the previously allocated
memory for the selected endpoint.
See Section 21.6, page 198 for more details.
• Bit 0 – Res: Reserved
This bit is reserved and will always read as zero.
Bit
(0xED)
Read/Write
Initial Value
EPSIZE2
21-3.
EPBK1
0
0
0
0
1
1
1
1
0
0
1
1
R
7
0
EPSIZE[2:0] Bits Settings
-
EPBK[1:0] Bits Settings
R/W
6
0
EPSIZE1
0
0
1
1
0
0
1
1
EPSIZE[2:0]
R/W
5
0
EPBK0
0
1
0
1
R/W
4
0
EPSIZE0
0
1
0
1
0
1
0
1
R/W
Endpoint Size
One Bank
Two Banks
Reserved
ATmega8U2/16U2/32U2
3
0
EPBK1:0
Endpoint Size
8 Bytes
16 Bytes
32 Bytes
64 Bytes
Reserved.
R/W
2
0
ALLOC
R/W
1
0
Table
R
0
0
-
21-3.
UECFG1X
216
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