Atmel STK 501 Development Board
	The STK501 board is a top module designed to add ATmega103(L) and ATmega128(L)support to the STK500 development board from Atmel Corporation. With this board the STK500 is extended to support all current AVR devices in a single development environment. The STK501 includes connectors, jumpers and hardware allowing full utilization of the new features of the ATmega128(L) while the Zero Insertion Force (ZIF) socket allows easy use of TQFP packages for prototyping. In addition to adding support for new devices, it also adds new support for peripherals previously not supported by the STK500. An additional RS-232 port and external SRAM interface are09/01 among the new features. Devices with dual UART or XRAM interface can all take advantage of the new resources on the STK501 board. Connecting the STK501 to the STK500 Starter Kit   The STK501 should be connected to the STK500 expansion header 0 and 1. It is important that the top module is connected in the correct orientation as shown in picture. The EXPAND0 written on the STK501 top module should match the EXPAND0 written beside the expansion header on the STK500 board. Note: Connecting the STK501 with wrong orientation may damage the board. Placing an ATmega103(L) or ATmega128(L) on the STK500 The STK501 contains both a ZIF socket, and the pinout for a TQFP package; which allows an easy way of soldering an emulator adapter directly into the STK501. Care should be taken so that the device (or adapter) is mounted with the correct orientation. Caution: Do not mount an ATmega103(L) or ATmega128(L) on the STK501 at the same time as an AVR is mounted on the STK500 board. Features - STK500 development kit compatible - AVR Studio ® Compatible - Supports ATmega103(L) and ATmega128(L) - Zero Insertion Force Socket for TQFP Packages - TQFP Footprint for Emulator Adapters - Supports all Added Features in ATmega128(L) - JTAG Connector for On-chip Debugging Using JTAG ICE (ATmega128(L)) - Additional RS-232C Port with Available RTS/CTS Handshake Lines - Adds External SRAM Support to the STK500 Board (Usable for all Devices with XRAM Interface) - On-board 32 kHz Crystal for Easy RTC Implementations	How to order STK 501 > Price List > Official site > www.cvavr.com
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