AT90USB1287-AU Atmel, AT90USB1287-AU Datasheet - Page 149
![IC AVR MCU 128K 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
AT90USB1287-AU
Manufacturer Part Number
AT90USB1287-AU
Description
IC AVR MCU 128K 64TQFP
Manufacturer
Atmel
Series
AVR® 90USBr
Specifications of AT90USB1287-AU
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
Processor Series
AT90USBx
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
48
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525, ATAVRQTOUCHX
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Controller Family/series
AVR USB
No. Of I/o's
48
Eeprom Memory Size
4KB
Ram Memory Size
8KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AT90USB1287-16AU
AT90USB1287-16AU
AT90USB1287-16AU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90USB1287-AU
Manufacturer:
ATMEL
Quantity:
1 459
Part Number:
AT90USB1287-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 149 of 461
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15. 8-bit Timer/Counter2 with PWM and Asynchronous Operation
15.1
7593K–AVR–11/09
Overview
Timer/Counter2 is a general purpose, single channel, 8-bit Timer/Counter module. The main
features are:
•
•
•
•
•
•
•
A simplified block diagram of the 8-bit Timer/Counter is shown in Figure 15-1.. For the actual
placement of I/O pins, see
ing I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit locations
are listed in the
The Power Reduction Timer/Counter2 bit, PRTIM2, in
page 54
Figure 15-1. 8-bit Timer/Counter Block Diagram
Single Channel Counter
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Frequency Generator
10-bit Clock Prescaler
Overflow and Compare Match Interrupt Sources (TOV2, OCF2A and OCF2B)
Allows Clocking from External 32 kHz Watch Crystal Independent of the I/O Clock
must be written to zero to enable Timer/Counter2 module.
Status flags
“8-bit Timer/Counter Register Description” on page
Timer/Counter
TCCRnA
OCRnA
TCNTn
OCRnB
=
=
“Pin Configurations” on page
Direction
Count
ASSRn
Clear
Synchronized Status flags
Control Logic
TOP
=
TCCRnB
asynchronous mode
Value
BOTTOM
Fixed
TOP
select (ASn)
clk
=
Tn
0
Prescaler
Synchronization Unit
“Power Reduction Register 0 - PRR0” on
OCnA
(Int.Req.)
OCnB
(Int.Req.)
Generation
Generation
3. CPU accessible I/O Registers, includ-
Waveform
Waveform
AT90USB64/128
160.
TOVn
(Int.Req.)
OCnA
OCnB
Oscillator
T/C
clk
I/O
clk
clk
I/O
ASY
TOSC1
TOSC2
149
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