AT90USB162-16MUR Atmel, AT90USB162-16MUR Datasheet - Page 190
AT90USB162-16MUR
Manufacturer Part Number
AT90USB162-16MUR
Description
IC AVR MCU 16K FLASH 32QFN
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB82-16MU.pdf
(307 pages)
Specifications of AT90USB162-16MUR
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
16KB (16K 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-TQFN
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-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATSTK526 - 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
Other names
AT90USB162-16MURTR
AT90USB162-16MUTR
AT90USB162-16MUTR
AT90USB162-16MUTR
AT90USB162-16MUTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90USB162-16MUR
Manufacturer:
TT
Quantity:
400 000
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19.5
19.5.1
19.5.2
19.5.3
19.6
190
Power modes
Memory management
AT90USB82/162
Idle mode
Power down
Freeze clock
In this mode, the CPU core is halted (CPU clock stopped). The Idle mode is taken wether the
USB controller is running or not. The CPU can wake up on any USB interrupts.
In this mode, the oscillator is stopped and halts all the clocks (CPU and peripherals). The USB
controller “wakes up” when:
The firmware has the ability to reduce the power consumption by setting the FRZCLK bit, which
freeze the clock of USB controller. When FRZCLK is set, it is still possible to access to the fol-
lowing registers:
Moreover, when FRZCLK is set, only the asynchronous interrupt may be triggered :
The controller does only support the following memory allocation management.
The reservation of an Endpoint can only be made in the increasing order (Endpoint 0 to the last
Endpoint). The firmware shall thus configure them in the same order.
The reservation of an Endpoint “k
cates the memory and insert it between the Endpoints “k
memory “slides” up and its data is lost. Note that the “k
slide.
Clearing an Endpoint enable (EPEN) does not clear either its ALLOC bit, or its configuration
(EPSIZE/PSIZE, EPBK/PBK). To free its memory, the firmware should clear ALLOC. Then, the
“k
memory does not slide.
The following figure illustrates the allocation and reorganization of the USB memory in a typical
example:
• the WAKEUPI interrupt is triggered (single asynchronous interrupt)
• USBCON,
• DPRAM direct access registers (DPADD7:0, UEDATX)
• UDCON (detach, ...)
• UDINT
• UDIEN
• WAKEUPI
i+1
” Endpoint memory automatically “slides” down. Note that the “k
i
” is done when its ALLOC bit is set. Then, the hardware allo-
i+2
” and upper Endpoint memory does not
i-1
” and “k
i+1
i+2
”. The “k
” and upper Endpoint
7707F–AVR–11/10
i+1
” Endpoint
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