AT90USB1286 Atmel Corporation, AT90USB1286 Datasheet - Page 264

• Manufacturer Part Number: AT90USB1286
• Manufacturer: Atmel Corporation

Specifications of AT90USB1286

• Flash (kbytes): 128 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 48
• Ext Interrupts: 16
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Eeprom (bytes): 4096
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 10
• Input Capture Channels: 1
• Pwm Channels: 9
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

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AT90USB64/128
• 3 – SRPSEL: SRP Selection Bit
Set to choose VBUS pulsing as SRP method.
Clear to choose data line pulsing as SRP method.
• 2 – VBUSHWC: VBus Hardware Control Bit
Set to disable the hardware control over the UVCON pin.
Clear to enable the hardware control over the UVCON pin.
See for more details
• 1 – VBUSREQ: VBUS Request Bit
Set to assert the UVCON pin in order to enable the VBUS power supply generation. This bit
shall be used when the controller is in the Host mode.
Cleared by hardware when VBUSRQC is set.
• 0 – VBUSRQC: VBUS Request Clear Bit
Set to deassert the UVCON pin in order to enable the VBUS power supply generation. This bit
shall be used when the controller is in the Host mode.
Cleared by hardware immediately after the set.
• 7 – Reserved
This bit is reserved and always set.
• 6-5 – PAGE: Timer page access Bit
Set/clear to access a special timer register. See Section 21.9, page 259 for more details.
• 4-3 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 1-0 – VALUE: Value Bit
Set to initialize the new value of the timer. See Section 21.9, page 259 for more details.
• 7-6 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 5 – STOE: Suspend Time-out Error Interrupt Enable Bit
Set to enable the STOI interrupt. Clear to disable the STOI interrupt.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
R
7
0
-
R
7
1
-
R
6
0
-
R/W
6
0
PAGE
STOE
R/W
5
0
R/W
0
5
HNPERRE
R/W
4
0
R
4
0
-
ROLEEXE
R/W
R
3
0
3
0
-
BCERRE
R/W
2
0
R/W
-
2
0
R/W
VBERRE
1
0
R/W
VALUE
1
0
R/W
0
0
SRPE
R/W
0
0
OTGTCON
7593K–AVR–11/09
OTGIEN