AT90USB646-MU Atmel, AT90USB646-MU Datasheet - Page 263
![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: 263 of 461
- Download datasheet (5Mb)
7593K–AVR–11/09
Set by hardware when the controller is in FULL-SPEED mode. Cleared by hardware when the
controller is in LOW-SPEED mode.
• 2 – Reserved
The value read from this bit is always 0. Do not set this bit.
• 1 – ID: IUD pin Flag
The value read from this bit indicates the state of the UID pin.
• 0 – VBUS: VBus Flag
The value read from this bit indicates the state of the VBUS pin. This bit can be used in device
mode to monitor the USB bus connection state of the appication. See Section 21.10, page 259
for more details.
7-2 - Reserved
The value read from these bits is always 0. Do not set these bits.
1 – IDTI: D Transition Interrupt Flag
Set by hardware when a transition (high to low, low to high) has been detected on the UID pin.
Shall be cleared by software.
• 0 – VBUSTI: IVBUS Transition Interrupt Flag
Set by hardware when a transition (high to low, low to high) has been detected on the VBUS
pad.
Shall be cleared by software.
• 7-6 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 5 – HNPREQ: HNP Request Bit
Set to initiate the HNP when the controller is in the Device mode (B). Set to accept the HNP
when the controller is in the Host mode (A).
Clear otherwise.
• 4 – SRPREQ: SRP Request Bit
Set to initiate the SRP when the controller is in Device mode. Cleared by hardware when the
controller is initiating a SRP.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
R
7
0
-
R
7
0
-
R
6
0
-
HNPREQ
R
6
0
R/W
-
5
0
SRPREQ
R
5
0
-
R/W
4
0
SRPSEL
R
4
0
-
R/W
3
0
VBUSHWC
R
3
0
-
R/W
2
0
R
2
0
-
VBUSREQ
R/W
1
0
AT90USB64/128
IDTI
R/W
1
0
VBUSRQC
R/W
VBUSTI
0
0
R/W
0
0
OTGCON
USBINT
263
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