5665AS–USB–10/04
Features
Advanced RISC Architecture, 130 Powerful Instructions, Most Single Clock Cycle
Execution
Clock Generator Provides CPU Rates up to 48 MHz
Only One External Clock Crystal of 12 MHz Can Generate All the Required System
Clocks:
– Internal Clock for Standard UART Rates
– A 48 MHz and 96 MHz Clock for USB Data Recovery
– AVR Processor and System Clock
Full-speed USB Interface (12 Mbit/s) 2.0 Compliant
Two On-chip 16550 UARTs Supporting Baud Rates up to 921 Kbaud
– Both UARTs Incorporate Individual Transmit and Receive FIFOs of 16 Bytes
– UART0 Supports Modem Control Signals
Programmable SPI Interface
On-chip Bootstrap ROM Provides a Variety of Firmware Upgrade Modes
– Device Firmware Upgrade Through USB for the Internal Program SRAM
(No External Non-volatile SPI Memory Required)
– Device Firmware Upgrade Through USB for both the Internal Program SRAM and
the External SPI DataFlash
®
or EEPROM
– SPI Program Mode from the External DataFlash or EEPROM
External Memory Interface Supporting up to 32 Kbytes of External RAM in Address
Multiplexed Mode, 2 Banks of 256 Bytes in Non-multiplexed Mode, FIFO, or with an
Extra 20 GPIOs
DMA Channels Allow Fast Data Transfers between Endpoint Buffers and Internal or
External SRAM (The DMA Transfer Rate is 12 MHz for All Channels)
8K x 16 bits (up to 11K x 16 bits), In-System SRAM for Program Code (Program
Memory)
On-chip 8 Kbytes SRAM for Data and Variables (Two, Four, and Eight Kbytes can be Re-
Mapped for Program Storage in the Address Area Above the Program Memory)
Two 8-bit Timer/Counters
One 16-bit Timer/Counter
Four External Interrupts Through GPIOs
Programmable Watchdog Timer
Low Voltage Operation:
– 1.8V for the Core
– 1.8V or 3.3V for the Periphery
–3.3V for the USB
100-pin TQFP Package
High-speed
(48 MHz) AVR
Microcontroller
with USB
Interface
AT76C713
Summary