AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 308

• 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

308
AT90USB64/128
• 7 - FLERRE - Flow Error Interrupt enable
Set to enable the OVERFI and UNDERFI interrupts.
Clear to disable the OVERFI and UNDERFI interrupts.
• 6 - NAKEDE -NAK Handshake Received Interrupt Enable
Set to enable the NAKEDI interrupt.
Clear to disable the NAKEDI interrupt.
• 5 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 4 - PERRE -PIPE Error Interrupt Enable
Set to enable the PERRI interrupt.
Clear to disable the PERRI interrupt.
• 3 - TXSTPE - SETUP Bank ready Interrupt Enable
Set to enable the TXSTPI interrupt.
Clear to disable the TXSTPI interrupt.
• 2 - TXOUTE - OUT Bank ready Interrupt Enable
Set to enable the TXOUTI interrupt.
Clear to disable the TXOUTI interrupt.
• 1 - RXSTALLE - STALL Received Interrupt Enable
Set to enable the RXSTALLI interrupt.
Clear to disable the RXSTALLI interrupt.
• 0 - RXINE - IN Data received Interrupt Enable
Set to enable the RXINI interrupt.
Clear to disable the RXINI interrupt.
• 7-0 - PDAT7:0 - Pipe Data Bits
Set by the software to read/write a byte from/to the Pipe FIFO selected by PNUM.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
FLERRE
PDAT7
RW
RW
7
0
7
0
NAKEDE
PDAT6
RW
RW
6
0
6
0
PDAT5
RW
5
0
-
5
0
PERRE
PDAT4
RW
RW
4
0
4
0
TXSTPE
PDAT3
RW
RW
3
0
3
0
TXOUTE
PDAT2
RW
RW
2
0
2
0
RXSTALLE
PDAT1
RW
RW
1
0
1
0
PDAT0
RXINE
RW
RW
7593K–AVR–11/09
0
0
0
0
UPDATX
UPIENX