DOC7707 datasheet, PDF - EEWORLD Datasheet

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DOC7707: DescriptionMicrocontroller with 8/16K Bytes of ISP Flash and USB Controller; File Size3MB，307 Pages; ManufacturerETC1

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DOC7707 Overview

Microcontroller with 8/16K Bytes of ISP Flash and USB Controller

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Features

•

High Performance, Low Power AVR

8-Bit Microcontroller

•

Advanced RISC Architecture

– 125 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 16 MIPS Throughput at 16 MHz

Non-volatile Program and Data Memories

– 8K / 16K Bytes of In-System Self-Programmable Flash

• Endurance: 10,000 Write/Erase Cycles

– Optional Boot Code Section with Independent Lock Bits

• USB boot-loader programmed by default in the factory

• In-System Programming by on-chip Boot Program hardware-activated after

reset

• True Read-While-Write Operation

– 512 Bytes EEPROM

• Endurance: 100,000 Write/Erase Cycles

– 512 Bytes Internal SRAM

– Programming Lock for Software Security

USB 2.0 Full-speed Device Module with Interrupt on Transfer Completion

– Complies fully with Universal Serial Bus Specification REV 2.0

– 48 MHz PLL for Full-speed Bus Operation : data transfer rates at 12 Mbit/s

– Fully independant 176 bytes USB DPRAM for endpoint memory allocation

– Endpoint 0 for Control Transfers: from 8 up to 64-bytes

– 4 Programmable Endpoints:

• IN or Out Directions

• Bulk, Interrupt and IsochronousTransfers

• Programmable maximum packet size from 8 to 64 bytes

• Programmable single or double buffer

– Suspend/Resume Interrupts

– Microcontroller reset on USB Bus Reset without detach

– USB Bus Disconnection on Microcontroller Request

– USB pad multiplexed with PS/2 peripheral for single cable capability

Peripheral Features

– PS/2 compliant pad

– One 8-bit Timer/Counters with Separate Prescaler and Compare Mode (two 8-bit

PWM channels)

– One 16-bit Timer/Counter with Separate Prescaler, Compare and Capture Mode

(three 8-bit PWM channels)

– USART with SPI master only mode and hardware flow control (RTS/CTS)

– Master/Slave SPI Serial Interface

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

– Interrupt and Wake-up on Pin Change

On Chip Debug Interface (debugWIRE)

Special Microcontroller Features

– Power-On Reset and Programmable Brown-out Detection

– Internal Calibrated Oscillator

– External and Internal Interrupt Sources

•

8-bit

Microcontroller

with

8/16K Bytes of

ISP Flash

and USB

Controller

AT90USB82

AT90USB162

•

7707F–AVR–11/10

AT90USB82/162

architecture is more code efficient while achieving throughputs up to ten times faster than con-

ventional CISC microcontrollers.

The AT90USB82/162 provides the following features: 8K / 16K bytes of In-System Programma-

ble Flash with Read-While-Write capabilities, 512 bytes EEPROM, 512 bytes SRAM, 22 general

purpose I/O lines, 32 general purpose working registers, two flexible Timer/Counters with com-

pare modes and PWM, one USART, a programmable Watchdog Timer with Internal Oscillator,

an SPI serial port, debugWIRE interface, also used for accessing the On-chip Debug system

and programming and five software selectable power saving modes. The Idle mode stops the

CPU while allowing the SRAM, Timer/Counters, SPI port, and interrupt system to continue func-

tioning. The Power-down mode saves the register contents but freezes the Oscillator, disabling

all other chip functions until the next interrupt or Hardware Reset. In Standby mode, the Crys-

tal/Resonator Oscillator is running while the rest of the device is sleeping. This allows very fast

start-up combined with low power consumption. In Extended Standby mode, the main Oscillator

continues to run.

The device is manufactured using Atmel’s high-density nonvolatile memory technology. The on-

chip ISP Flash allows the program memory to be reprogrammed in-system through an SPI serial

interface, by a conventional nonvolatile memory programmer, or by an on-chip Boot program

running on the AVR core. The boot program can use any interface to download the application

program in the application Flash memory. Software in the Boot Flash section will continue to run

while the Application Flash section is updated, providing true Read-While-Write operation. By

combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip,

the Atmel AT90USB82/162 is a powerful microcontroller that provides a highly flexible and cost

effective solution to many embedded control applications.

The AT90USB82/162 AVR is supported with a full suite of program and system development

tools including: C compilers, macro assemblers, program debugger/simulators, in-circuit emula-

tors, and evaluation kits.

2.2

2.2.1

Pin Descriptions

VCC

Digital supply voltage.

2.2.2

GND

Ground.

2.2.3

Port B (PB7..PB0)

Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The

Port B output buffers have symmetrical drive characteristics with both high sink and source

capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up

resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,

even if the clock is not running.

Port B also serves the functions of various special features of the AT90USB82/162 as listed on

page 74.

7707F–AVR–11/10

DOC7707 Related Products

	DOC7707	90USB162-16AU	90USB162-16MU	90USB82-16MU	AT90USB162	AT90USB82
Description	Microcontroller with 8/16K Bytes of ISP Flash and USB Controller	Microcontroller with 8/16K Bytes of ISP Flash and USB Controller	Microcontroller with 8/16K Bytes of ISP Flash and USB Controller	Microcontroller with 8/16K Bytes of ISP Flash and USB Controller	Microcontroller with 8/16K Bytes of ISP Flash and USB Controller	Microcontroller with 8/16K Bytes of ISP Flash and USB Controller

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