AT90USB646-MU Atmel, AT90USB646-MU Datasheet - Page 302
![IC AVR MCU 64K 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
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
- Current page: 302 of 461
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AT90USB64/128
• 1 - P1RST - Pipe 1 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 1.
• 0 - P0RST - Pipe 0 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 0.
• 7 - Reserved
The value read from this bit is always 0. Do not set this bit.
• 6 - PFREEZE - Pipe Freeze
Set this bit to Freeze the Pipe requests generation.
Clear this bit to enable the Pipe request generation.
This bit is set by hardware when:
- the pipe is not configured
- a STALL handshake has been received on this Pipe
- An error occurs on the Pipe (UPINTX.PERRI = 1)
- (INRQ+1) In requests have been processed
This bit is set at 1 by hardware after a Pipe reset or a Pipe enable.
• 5 - INMODE - IN Request mode
Set this bit to allow the USB controller to perform infinite IN requests when the Pipe is not frozen.
Clear this bit to perform a pre-defined number of IN requests. This number is stored in the UIN-
RQX register.
• 4 - Reserved
The value read from this bit is always 0. Do not set this bit.
• 3 - RSTDT - Reset Data Toggle
Set this bit to reset the Data Toggle to its initial value for the current Pipe.
Cleared by hardware when proceed. Clearing by software has no effect.
• 2 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 1 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 0 - PEN - Pipe Enable
Set to enable the Pipe.
Bit
Read/Write
Initial Value
7
0
-
PFREEZE
RW
6
0
INMODE
RW
5
0
4
0
-
RSTDT
RW
3
0
2
0
-
1
0
-
PEN
RW
0
0
7593K–AVR–11/09
UPCONX
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