AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 281

• Manufacturer Part Number: AT90USB647-MU
• Description: MCU, 8BIT, 64K FLASH, USB, 64QFN
• Manufacturer: Atmel

Specifications of AT90USB647-MU

• Controller Family/series: AT90
• No. Of I/o's: 48
• Eeprom Memory Size: 2KB
• Ram Memory Size: 4KB
• Cpu Speed: 16MHz
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 64KB
• Oscillator Type: External, Internal
• Package: 64QFN EP
• Device Core: AVR
• Family Name: AT90
• Maximum Speed: 20 MHz
• Ram Size: 4 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 48
• Interface Type: SPI/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 4
• Lead Free Status / Rohs Status: Details

7593K–AVR–11/09
• 2 - SOFE - Start Of Frame Interrupt Enable Bit
Set to enable the SOFI interrupt.
Clear to disable the SOFI interrupt.
• 1 - Reserved
The value read from this bits is always 0. Do not set this bit
• 0 - SUSPE - Suspend Interrupt Enable Bit
Set to enable the SUSPI interrupt.
Clear to disable the SUSPI interrupt.
• 7 - ADDEN - Address Enable Bit
Set to activate the UADD (USB address).
Cleared by hardware. Clearing by software has no effect.
See Section 22.7, page 269 for more details.
• 6-0 - UADD6:0 - USB Address Bits
Load by software to configure the device address.
.
• 7-3 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 2-0 - FNUM10:8 - Frame Number Upper Value
Set by hardware. These bits are the 3 MSB of the 11-bits Frame Number information. They are
provided in the last received SOF packet. FNUM is updated if a corrupted SOF is received.
• Frame Number Lower Value
Set by hardware. These bits are the 8 LSB of the 11-bits Frame Number information.
Bit
Read/Write
Initial Val-
ue
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
ADDEN
W
7
0
R
R
7
0
7
0
-
R/W
6
0
R
6
0
R
-
6
0
R/W
R
5
0
-
R
5
0
5
0
R/W
R
4
0
-
R
4
0
4
0
FNUM7:0
UADD6:0
R/W
R
3
0
-
R
3
0
3
0
R/W
R
2
0
R
2
0
2
0
AT90USB64/128
FNUM10:8
R/W
R
1
0
R
1
0
1
0
R/W
R
0
0
R
0
0
0
0
UDFNUMH
UDFNUML
UDADDR
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