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AT43USB355

ATMEL Corporation
Part Number AT43USB355
Manufacturer ATMEL Corporation
Description Missed Watchdog Timer Reset
Published Mar 23, 2005
Detailed Description Features • • • • • • • • • • • • • • • AVR® 8-bit RISC Microcontroller with 83 ns Instruction Cycle Time USB Hub with On...
Datasheet PDF File AT43USB355 PDF File

AT43USB355
AT43USB355

Overview
Features • • • • • • • • • • • • • • • AVR® 8-bit RISC Microcontroller with 83 ns Instruction Cycle Time USB Hub with One Attached and Two External Ports USB Function with Three Programmable End-points 24 KB Program Memory, 1 KB Data SRAM 32 x 8 General-purpose Working Registers 27 Programmable I/O Port Pins 12-channel 10-bit ADC Master/Slave SPI Serial Interface One 8-bit Timer/Counter with Separate Pre-scaler One 16-bit Timer/Counter with Separate Pre-scaler and Two PWMs External and Internal Interrupt Sources Programmable Watchdog Timer 6 MHz Oscillator with On-chip PLL 5V Operation with On-chip 3.
3V Power Supply 64-lead LQFP Package Description The Atmel AT43USB355 is an 8-bit microcontroller based on the AVR RISC architecture.
By executing powerful instructions in a single clock cycle, the AT43USB355 achieves throughputs approaching 12 MIPS.
The AVR core combines a rich instruction set with 32 general-purpose working registers.
All 32 registers are directly connected to the ALU allowing two independent registers to be accessed in one single instruction executed in one clock cycle.
The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.
www.
DataSheet4U.
com Full-speed USB Microcontroller with Embedded Hub, ADC and PWM AT43USB355 Furthermore, the AT43USB355 features an on-chip 24-Kbyte program memory and 1-Kbyte of data memory.
It is supported by a standard set of peripherals such as timer/counter modules, watchdog timer and internal and external interrupt sources.
The major peripheral included in the AT43USB355 is a full-speed USB 2.
0 Hub with an embedded function and a 12-channel Analog-to-Digital Converter (ADC) for use in applications such as game controllers.
2603G–USB–04/06 1 Pin Configuration Figure 1.
AT43USB355E 64-lead LQFP CEXTA ADC10 34 ADC11 33 32 31 30 29 28 27 26 VCCA VSSA VREF ADC0 ADC1 ADC2 ADC3 ADC4 ADC5 ADC6 ADC7 ADC8 36 ADC9 35 48 47 46 45 44 43 4...


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