AT90USB1287-16AUR Atmel, AT90USB1287-16AUR Datasheet - Page 117
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT90USB1287-16AUR
Manufacturer Part Number
AT90USB1287-16AUR
Description
IC MCU AVR 128K ISP USB TQFP64
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB1287-16AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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14. 16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3)
14.1
7593K–AVR–11/09
Overview
The 16-bit Timer/Counter unit allows accurate program execution timing (event management),
wave generation, and signal timing measurement. The main features are:
•
•
•
•
•
•
•
•
•
•
•
Most register and bit references in this section are written in general form. A lower case “n”
replaces the Timer/Counter number, and a lower case “x” replaces the Output Compare unit
channel. However, when using the register or bit defines in a program, the precise form must be
used, i.e., TCNT1 for accessing Timer/Counter1 counter value and so on.
A simplified block diagram of the 16-bit Timer/Counter is shown in
placement of I/O pins, see
isters, including I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit
locations are listed in the
117.
The Power Reduction Timer/Counter1 bit, PRTIM1, in
page 54
The Power Reduction Timer/Counter3 bit, PRTIM3, in
page 54
True 16-bit Design (i.e., Allows 16-bit PWM)
Three independent Output Compare Units
Double Buffered Output Compare Registers
One Input Capture Unit
Input Capture Noise Canceler
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
External Event Counter
Ten independent interrupt sources (TOV1, OCF1A, OCF1B, OCF1C, ICF1, TOV3, OCF3A, OCF3B,
OCF3C and ICF3)
must be written to zero to enable Timer/Counter1 module.
must be written to zero to enable Timer/Counter3 module.
“16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3)” on page
“Pinout AT90USB64/128-TQFP” on page
“Power Reduction Register 0 - PRR0” on
“Power Reduction Register 1 - PRR1” on
AT90USB64/128
3. CPU accessible I/O Reg-
Figure
14-1. For the actual
117
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