AT90USB162 Atmel Corporation, AT90USB162 Datasheet - Page 50

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AT90USB162

Manufacturer Part Number
AT90USB162
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of AT90USB162

Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
22
Ext Interrupts
21
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
5
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes

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9.6
9.7
50
Watchdog Reset
USB Reset
AT90USB82/162
Figure 9-5.
When the Watchdog times out, it will generate a short reset pulse of one CK cycle duration. On
the falling edge of this pulse, the delay timer starts counting the Time-out period t
page 52
Figure 9-6.
When the USB macro is enabled and configured with the USB reset MCU feature enabled, and
if a valid USB Reset signalling is detected, the microcontroller is reset unless the USB macro
that remains enabled. This allows the device to stay attached to the bus during and after the
reset, while enhancing firmware reliability.
for details on operation of the Watchdog Timer.
CC
Brown-out Reset During Operation
Watchdog Reset During Operation
INTERNAL
TIME-OUT
RESET
RESET
V
CC
V
CK
BOT-
V
t
TOUT
BOT+
TOUT
7707F–AVR–11/10
. Refer to

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