AT90USB1287-MUR Atmel, AT90USB1287-MUR Datasheet - Page 450
![MCU AVR 128K FLASH 16MHZ 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
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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38. Datasheet Revision History for AT90USB64/128
38.1
38.2
38.3
38.4
38.5
38.6
38.7
450
Changes from 7593A to 7593B
Changes from 7593B to 7593C
Changes from 7593C to 7593D
Changes from 7593D to 7593E
Changes from 7593E to 7593F
Changes from 7593F to 7593G
Changes from 7593G to 7593H
AT90USB64/128
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1. Changed default configuration for fuse bytes and security byte.
2. Suppression of timer 4,5 registers which does not exist.
3. Updated typical application schematics in USB section
1. Update to package drawings, MQFP64 and TQFP64.
1. For further product compatibility, changed USB PLL possible prescaler configurations.
1. Updated PLL Prescaler table: configuration words are different between AT90USB64x
2. Cleaned up some bits from USB registers, and updated information about OTG timers,
3. Updated clock distribution tree diagram (USB prescaler source and configuration
4. Cleaned up register summary.
5. Suppressed PCINT23:8 that do not exist from External Interrupts.
6. Updated Electrical Characteristics.
7. Added Typical Characteristics.
8. Update Errata section.
1. Removed ’Preliminary’ from document status.
2. Clarification in Stand by mode regarding USB.
1. Updated Errata section.
1. Added Signature information for 64K devices.
2. Fixed figure for typical bus powered application
3. Added min/max values for BOD levels
4. Added ATmega32U6 product
5. Update Errata section
6. Modified descriptions for HWUPE and WAKEUPE interrupts enable (these interrupts
Only 8MHz and 16MHz crystal frequencies allows USB operation (See
page
and AT90USB128x to enable the PLL with a 16 MHz source.
remote wake-up, reset and connection timings.
register).
should be enabled only to wake up the CPU core from power down mode).
49).
Table 6-11 on
7593K–AVR–11/09
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