AT90USB1287-MUR Atmel, AT90USB1287-MUR Datasheet - Page 255
AT90USB1287-MUR
Manufacturer Part Number
AT90USB1287-MUR
Description
MCU AVR 128K FLASH 16MHZ 64QFN
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB1287-MUR
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
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K 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
AT90USBx
Core
AVR8
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525, ATAVRQTOUCHX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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21.5
21.5.1
21.5.2
7593K–AVR–11/09
Power modes
Idle mode
Power down
Figure 21-13. USB General and OTG Controller Interrupt System
There are 2 kind of interrupts: processing (i.e. their generation are part of the normal processing)
and exception (errors).
Processing interrupts are generated when such events occur :
Exception Interrupts are generated with the following events :
In this mode, the CPU core is halted (CPU clock stopped). The Idle mode is taken wether the
USB controller is running or not. The CPU “wakes up” on any USB interrupts.
In this mode, the oscillator is stopped and halts all the clocks (CPU and peripherals). The USB
controller “wakes up” when:
• USB ID Pad change detection (insert, remove)(IDTI)
• VBUS plug-in detection (insert, remove) (VBUSTI)
• SRP detected(SRPI)
• Role Exchanged(ROLEEXI)
• Drop on VBus Detected(VBERRI)
• Error during the B-Connection(BCERRI)
• HNP Error(HNPERRI)
• Time-out detected during Suspend mode(STOII)
• the WAKEUPI interrupt is triggered in the Peripheral mode (HOST cleared),
OTGINT.5
OTGINT.4
OTGINT.3
OTGINT.2
OTGINT.1
OTGINT.0
USBINT.1
USBINT.0
ROLEEXI
HNPERRI
BCERRI
VBUSTI
VBERRI
STOI
SRPI
IDTI
USBCON.1
USBCON.0
OTGIEN.5
OTGIEN.4
ROLEEXE
OTGIEN.3
OTGIEN.2
OTGIEN.1
OTGIEN.0
HNPERRE
BCERRE
VBERRE
VBUSTE
STOE
SRPE
IDTE
USB General & OTG
Asynchronous Interrupt source
(allows the CPU to wake up from power down mode)
Interrupt Vector
AT90USB64/128
255
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