AT90USB162-16MUR Atmel, AT90USB162-16MUR Datasheet - Page 196
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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20. USB Device Operating modes
20.1
20.2
20.3
196
Introduction
Power-on and reset
Endpoint reset
AT90USB82/162
The USB device controller supports full speed data transfers. In addition to the default control
endpoint, it provides four other endpoints, which can be configured in control, bulk, interrupt or
isochronous modes:
The controller starts in the “idle” mode. In this mode, the pad consumption is reduced to the
minimum.
The next diagram explains the USB device controller main states on power-on:
Figure 20-1. USB device controller states after reset
The reset state of the Device controller is:
The D+ pull-up will be activated as soon as the DETACH bit is cleared.
The macro is in the ‘Idle’ state after reset with a minimum power consumption and does not
need to have the PLL activated to enter in this state.
The USB device controller can at any time be reset by clearing USBE.
An endpoint can be reset at any time by setting in the UERST register the bit corresponding to
the endpoint (EPRSTx). This resets:
• Endpoint 0:programmable size FIFO up to 64 bytes, default control endpoint
• Endpoints 1and 2:programmable size FIFO up to 64 bytes.
• Endpoints 3 and 4: programmable size FIFO up to 64 bytes with ping-pong mode.
• the macro clock is stopped in order to minimize the power consumption (FRZCLK set),
• the USB device controller internal state is reset (all the registers are reset to their default
• the endpoint banks are reset
• the D+ pull up are not activated (mode Detach)
• the internal state machine on that endpoint,
• the Rx and Tx banks are cleared and their internal pointers are restored,
value. Note that DETACH is set.)
RESET
HW
USBE=0
Reset
USBE=0
state>
other
<any
USBE=1
UID=1
Idle
7707F–AVR–11/10
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