AT90USB82-16MUR Atmel, AT90USB82-16MUR Datasheet - Page 43
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: 43 of 307
- Download datasheet (4Mb)
8.6
8.6.1
7707F–AVR–11/10
Power Reduction Register
Power Reduction Register 0 - PRR0
Mode is equivalent to Standy Mode, but is also conserved for compatibility purpose. From
Extended Standby mode, the device wakes up in six clock cycle.
Table 8-2.
Notes:
Notes:
Notes:
The Power Reduction Register, PRR, provides a method to stop the clock to individual peripher-
als to reduce power consumption. The current state of the peripheral is frozen and the I/O
registers can not be read or written. Resources used by the peripheral when stopping the clock
will remain occupied, hence the peripheral should in most cases be disabled before stopping the
clock. Waking up a module, which is done by clearing the bit in PRR, puts the module in the
same state as before shutdown.
Module shutdown can be used in Idle mode and Active mode to significantly reduce the overall
power consumption.
• Bit 7-6 - Reserved bits
These bits are reserved and will always read as zero.
• Bit 5 - PRTIM0: Power Reduction Timer/Counter0
Writing a logic one to this bit shuts down the Timer/Counter0 module. When the Timer/Counter0
is enabled, operation will continue like before the shutdown.
Bit
Read/Write
Initial Value
Sleep Mode
Idle
Power-down
Power-save
Standby
Extended
Standby
1. Only recommended with external crystal or resonator selected as clock source.
1. For INT7:4, only level interrupt.
1. Asynchronous USB interrupt is WAKEUPI only.
(1)
7
-
R/W
0
Active Clock Domains and Wake-up Sources in the Different Sleep Modes.
Active Clock
6
-
0
R/W
Domains
5
PRTIM0
0
R/W
X
Oscillators
4
–
0
R
X
X
X
3
PRTIM1
R/W
0
X
X
X
X
X
(1)
(1)
(1)
(1)
2
PRSPI
R/W
0
X
AT90USB82/162
Wake-up Sources
1
-
R
0
X
X
X
X
X
X
0
-
R/W
0
X
PRR0
X
X
X
X
X
43
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