AT90USB1287-MUR Atmel, AT90USB1287-MUR Datasheet - Page 367
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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29.2
7593K–AVR–11/09
Fuse Bits
Table 29-2.
Notes:
The AT90USB64/128 has four Fuse bytes.
ality of all the fuses and how they are mapped into the Fuse bytes. Note that the fuses are read
as logical zero, “0”, if they are programmed.
Table 29-3.
Note:
BLB1 Mode
–
–
–
–
HWBE
BODLEVEL2
BODLEVEL1
BODLEVEL0
Fuse Low Byte
1
2
3
4
Memory Lock Bits
1. Program the Fuse bits and Boot Lock bits before programming the LB1 and LB2.
2. “1” means unprogrammed, “0” means programmed
1. See
(1)
(1)
(1)
Lock Bit Protection Modes
Extended Fuse Byte (0xF3)
BLB12
Table 8-2 on page 60
1
1
0
0
7
6
5
4
2
1
0
3
Bit No
BLB11
1
0
0
1
Description
–
–
–
–
Hardware Boot Enable
Brown-out Detector trigger level
Brown-out Detector trigger level
Brown-out Detector trigger level
Protection Type
No restrictions for SPM or (E)LPM accessing the Boot
Loader section.
SPM is not allowed to write to the Boot Loader section.
SPM is not allowed to write to the Boot Loader section,
and (E)LPM executing from the Application section is not
allowed to read from the Boot Loader section. If Interrupt
Vectors are placed in the Application section, interrupts
are disabled while executing from the Boot Loader section.
(E)LPM executing from the Application section is not
allowed to read from the Boot Loader section. If Interrupt
Vectors are placed in the Application section, interrupts
are disabled while executing from the Boot Loader section.
for BODLEVEL Fuse decoding.
(1)(2)
Table 29-3
(Continued)
-
Table 29-5
AT90USB64/128
Default Value
1
1
1
1
0 (programmed)
0 (programmed)
1 (unprogrammed)
1 (unprogrammed)
describe briefly the function-
367
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