AT90USB162-16AU Atmel, AT90USB162-16AU Datasheet - Page 25
AT90USB162-16AU
Manufacturer Part Number
AT90USB162-16AU
Description
MCU AVR USB 16K FLASH 32-TQFP
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB82-16MU.pdf
(307 pages)
Specifications of AT90USB162-16AU
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-TQFP, 32-VQFP
Processor Series
AT90USBx
Core
AVR8
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
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATSTK526, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
Minimum Operating Temperature
- 40 C
No. Of I/o's
22
Eeprom Memory Size
512Byte
Ram Memory Size
512Byte
Cpu Speed
16MHz
No. Of Timers
2
Embedded Interface Type
SPI, USART
Rohs Compliant
Yes
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90USB162-16AU
Manufacturer:
Atmel
Quantity:
30 024
Part Number:
AT90USB162-16AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
AT90USB162-16AUR
Manufacturer:
Atmel
Quantity:
2 751
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6. System Clock and Clock Options
6.1
6.1.1
6.1.2
6.1.3
7707F–AVR–11/10
Clock Systems and their Distribution
CPU Clock – clk
I/O Clock – clk
Flash Clock – clk
I/O
Figure 6-1
need not be active at a given time. In order to reduce power consumption, the clocks to modules
not being used can be halted by using different sleep modes, as described in
ment and Sleep Modes” on page
Figure 6-1.
The CPU clock is routed to parts of the system concerned with operation of the AVR core.
Examples of such modules are the General Purpose Register File, the Status Register and the
data memory holding the Stack Pointer. Halting the CPU clock inhibits the core from performing
general operations and calculations.
The I/O clock is used by the majority of the I/O modules, like Timer/Counters, SPI, and USART.
The I/O clock is also used by the External Interrupt module, but note that some external inter-
rupts are detected by asynchronous logic, allowing such interrupts to be detected even if the I/O
clock is halted.
The Flash clock controls operation of the Flash interface. The Flash clock is usually active simul-
taneously with the CPU clock.
CPU
FLASH
PLL Clock
USB PLL
Prescaler
USB
X6
clk
clk
presents the principal clock systems in the AVR and their distribution. All of the clocks
clk
Pllin (8MHz)
USB (48MHz)
XTAL (2-16 MHz)
Clock Distribution
General I/O
Modules
41. The clock systems are detailed below.
clk
Oscillator
I/O
Crystal
System Clock
Control Unit
AVR Clock
Multiplexer
Prescaler
Switch
Clock
Clock
External Clock
Source clock
CPU Core
clk
clk
Reset Logic
CPU
FLASH
AT90USB82/162
Watchdog clock
Watchdog
Oscillator
Watchdog Timer
RAM
“Power Manage-
Calibrated RC
Flash and
EEPROM
Oscillator
25
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