AT90USB82-16MUR Atmel, AT90USB82-16MUR Datasheet - Page 240
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
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- Download datasheet (4Mb)
240
AT90USB82/162
The different BOOTSZ Fuse configurations are shown in
Table 23-9.
Note:
Table 23-10. Explanation of different variables used in
Note:
See
Z-pointer during Self-Programming.
Device
16K
8K
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
“Addressing the Flash During Self-Programming” on page 233
1. For details about these two section, see
1. Z0: should be zero for all SPM commands, byte select for the (E)LPM instruction.
226
Read-While-Write Limit
pointer
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
and
PC[12:6]
“RWW – Read-While-Write Section” on page
PC[5:0]
12
5
Corresponding
Z-value
Z13:Z7
Z6:Z1
(1)
Z13
Z6
“NRWW – No Read-While-Write Section” on page
Description
Most significant bit in the Program Counter. (The
Program Counter is 13 bits PC[12:0])
Most significant bit which is used to address the
words within one page (64 words in a page
requires six bits PC [5:0]).
Bit in Z-pointer that is mapped to PCMSB.
Because Z0 is not used, the ZPCMSB equals
PCMSB + 1.
Bit in Z-pointer that is mapped to PCMSB.
Because Z0 is not used, the ZPAGEMSB equals
PAGEMSB + 1.
Program Counter page address: Page select, for
Page Erase and Page Write
Program Counter word address: Word select, for
filling temporary buffer (must be zero during
Page Write operation)
Figure 23-4
Figure
226.
(1)
Pages
23-2.
96
32
32
32
and the mapping to the Z-
for details about the use of
Address
0x0000 - 0x2FFF
0x0000 - 0x0FFF
0x3000 - 0x3FFF
0x1000 - 0x1FFF
7707F–AVR–11/10
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