AT90USB1287-AU Atmel, AT90USB1287-AU Datasheet - Page 452

• Manufacturer Part Number: AT90USB1287-AU
• Description: IC AVR MCU 128K 64TQFP
• Manufacturer: Atmel
• Series: AVR® 90USBr

Specifications of AT90USB1287-AU

• 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-TQFP, 64-VQFP
• Processor Series: AT90USBx
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 8 KB
• Interface Type: 2-Wire/SPI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525, ATAVRQTOUCHX
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Controller Family/series: AVR USB
• No. Of I/o's: 48
• Eeprom Memory Size: 4KB
• Ram Memory Size: 8KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT90USB1287-16AU; AT90USB1287-16AU

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452
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 3
Overview ................................................................................................... 4
About Code Examples ............................................................................. 9
AVR CPU Core ........................................................................................ 10
AVR AT90USB64/128 Memories ........................................................... 19
System Clock and Clock Options ......................................................... 39
Power Management and Sleep Modes ................................................. 51
1.1 Disclaimer ................................................................................................................4
2.1 Block Diagram .........................................................................................................5
2.2 Pin Descriptions .......................................................................................................7
4.1 Introduction ............................................................................................................10
4.2 Architectural Overview ...........................................................................................10
4.3 ALU – Arithmetic Logic Unit ...................................................................................11
4.4 Status Register ......................................................................................................12
4.5 General Purpose Register File ..............................................................................13
4.6 Stack Pointer .........................................................................................................14
4.7 Instruction Execution Timing .................................................................................15
4.8 Reset and Interrupt Handling .................................................................................16
5.1 In-System Reprogrammable Flash Program Memory ...........................................19
5.2 SRAM Data Memory ..............................................................................................20
5.3 EEPROM Data Memory ........................................................................................23
5.4 I/O Memory ............................................................................................................29
5.5 External Memory Interface ....................................................................................30
6.1 Clock Systems and their Distribution .....................................................................39
6.2 Clock Sources .......................................................................................................40
6.3 Low Power Crystal Oscillator .................................................................................41
6.4 Low Frequency Crystal Oscillator ..........................................................................43
6.5 Calibrated Internal RC Oscillator ...........................................................................44
6.6 External Clock .......................................................................................................45
6.7 Clock Output Buffer ...............................................................................................46
6.8 Timer/Counter Oscillator ........................................................................................46
6.9 System Clock Prescaler ........................................................................................47
6.10 PLL ......................................................................................................................48
AT90USB64/128
7593K–AVR–11/09