AT90USB1287-MUR Atmel, AT90USB1287-MUR Datasheet - Page 424

• Manufacturer Part Number: AT90USB1287-MUR
• Description: MCU AVR 128K FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® 90USBr

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

31.14 Internal RC Oscillator Frequency
424
AT90USB64/128
124
122
120
118
116
114
112
110
108
16
14
12
10
8
6
4
2
-1
2
15
31
2.5
Figure 31-24. RC Oscillator Frequency vs. OSCCAL, T=25°C
Figure 31-25. RC Oscillator Frequency vs. Vcc
Figure 31-26. RC Oscillator Frequency vs. Temperature
47
63
3
79
95
3.5
111
OSCCAL (X1)
V
CC
127
(V)
143
4
159
175
4.5
191
207
5
223
239
5.5
255
7593K–AVR–11/09
85
25
-40