AT90USB646-MU Atmel, AT90USB646-MU Datasheet - Page 286
AT90USB646-MU
Manufacturer Part Number
AT90USB646-MU
Description
IC AVR MCU 64K 64QFN
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB646-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
Processor Series
90USB
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, TWI, USART, USB
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
48
Number Of Timers
4
Operating Supply Voltage
5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Cpu Family
AT90
Device Core
AVR
Device Core Size
8b
Frequency (max)
20MHz
Total Internal Ram Size
4KB
# I/os (max)
48
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
QFN EP
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AT90USB646-16MU
AT90USB646-16MU
AT90USB646-16MU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90USB646-MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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AT90USB64/128
01b 1 busy bank
10b 2 busy banks
11b Reserved.
• 7-3 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 2 - CTRLDIR - Control Direction (Flag, and bit for debug purpose)
Set by hardware after a SETUP packet, and gives the direction of the following packet:
- 1 for IN endpoint
- 0 for OUT endpoint.
Can not be set or cleared by software.
• 1-0 - CURRBK1:0 - Current Bank (all endpoints except Control endpoint) Flag
Set by hardware to indicate the number of the current bank:
00b Bank0
01b Bank1
1xb
Can not be set or cleared by software.
• 7 - FIFOCON - FIFO Control Bit
For OUT and SETUP Endpoint:
Set by hardware when a new OUT message is stored in the current bank, at the same time than
RXOUT or RXSTP.
Clear to free the current bank and to switch to the following bank. Setting by software has no
effect.
For IN Endpoint:
Set by hardware when the current bank is free, at the same time than TXIN.
Clear to send the FIFO data and to switch the bank. Setting by software has no effect.
• 6 - NAKINI - NAK IN Received Interrupt Flag
Reserved.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
FIFOCON
R/W
7
0
R
7
0
-
NAKINI
R/W
R
6
0
6
0
-
RWAL
R/W
5
0
R
5
0
-
NAKOUTI
R/W
4
0
R
4
0
-
RXSTPI
R/W
3
0
R
3
0
-
CTRLDIR
RXOUTI
R/W
2
0
R
2
0
STALLEDI
R/W
R
1
1
0
0
CURRBK1:0
TXINI
R/W
R
7593K–AVR–11/09
0
0
0
0
UESTA1X
UEINTX
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