AT76C712
AT76C712 is High-speed (48 MHz) AVR- based Bridging Device manufactured by Atmel.
Features
- Advanced RISC Architecture, 130 Powerful Instructions, Most Single Clock Cycle
Execution
- JTAG (IEEE Std. 1149.1 pliant) Interface
- Boundary-scan Capabilities According to the JTAG Standard
- Extensive On-chip Debug Support
- Clock Generator Provides CPU Rates up to 48MHz
- 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 Mbits per Second) 2.0 pliant
- 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 Data Flash® or EEPROM
- SPI Program Mode from the External Data Flash or EEPROM
- DMA Channels Allow Fast Data Transfers between Endpoint Buffers and Internal or External SRAM (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 ( 2, 4, and 8 Kbytes can be Remapped for Program Storage in the Address Area Above the Program Memory) ..
- Two 8-bit Timer/Counters
- One 16-bit Timer/Counter
- Two 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
- Low cost 64-pin TQFP Package, Suitable for USB-to-UART Bridge Applications
High-speed (48 MHz) AVR®- based Bridging Device AT76C712 Summary
5635AS- USB- 12/04
Overview
Atmel’s AT76C712 is a low-power USB peripheral that can connect various types of devices to a mon...