AT90USB82-16MUR Atmel, AT90USB82-16MUR Datasheet - Page 255
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AT90USB82-16MUR
Manufacturer Part Number
AT90USB82-16MUR
Description
MCU AVR USB 8K FLASH 32-QFN
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB82-16MU.pdf
(307 pages)
Specifications of AT90USB82-16MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, PS/2, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-QFN
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI, USART, debugWIRE
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK526 - KIT STARTER FOR AT90USB82/162ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
- Current page: 255 of 307
- Download datasheet (4Mb)
25.6.13
25.6.14
25.6.15
7707F–AVR–11/10
Reading the Signature Bytes
Reading the Calibration Byte
Parallel Programming Characteristics
Figure 25-6. Mapping Between BS1, BS2 and the Fuse and Lock Bits During Read
The algorithm for reading the Signature bytes is as follows (refer to
page 249
The algorithm for reading the Calibration byte is as follows (refer to
page 249
Figure 25-7. Parallel Programming Timing, Including some General Timing Requirements
1. A: Load Command “0000 1000”.
2. B: Load Address Low Byte (0x00 - 0x02).
3. Set OE to “0”, and BS to “0”. The selected Signature byte can now be read at DATA.
4. Set OE to “1”.
1. A: Load Command “0000 1000”.
2. B: Load Address Low Byte, 0x00.
3. Set OE to “0”, and BS1 to “1”. The Calibration byte can now be read at DATA.
4. Set OE to “1”.
(DATA, XA0/1, BS1, BS2)
for details on Command and Address loading):
for details on Command and Address loading):
Data & Contol
Extended Fuse Byte
Fuse Low Byte
RDY/BSY
Fuse High Byte
PAGEL
XTAL1
Lock Bits
WR
t
t
BVPH
DVXH
BS2
BS2
t
t
XHXL
PHPL
0
1
0
1
t
t
t
t
XLDX
XLWL
PLBX
PLWL
t
BVWL
BS1
t
WLWH
WLRL
AT90USB82/162
0
1
“Programming the Flash” on
“Programming the Flash” on
t
WLBX
DATA
t
WLRH
255
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