Atmel Computer Hardware STK501 User Manual

M I C R O C O N T R O L L E R S  
Expansion  
Board  
STK501  
64-PIN SUPPORT FOR STK500  
The STK501 board is an expansion module designed to add 64-pin support to the  
Atmel® STK500 Development Board. The STK500 and STK501 expansion module  
extends support to all current AVR® devices.  
The STK501 includes connectors,  
jumpers, and hardware allowing full  
support for the new features on  
ATmega103,  
ATmega64,  
and  
ATmega128. The Zero Insertion Force  
(ZIF) socket allows easy use of TQFP  
packages. In addition to providing  
support for new devices, the STK501  
also adds support for peripherals  
previously not supported by the  
STK500. An additional RS-232 driver  
and an XRAM interface are among the new features. Devices with dual UART or  
XRAM interface can thus take advantage of the new resources on the STK501 board.  
AVR Studio® Operated  
Expansion Connectors for Plug-in  
Modules and Prototype Areas  
O
O
O
Plug-in Module for STK500  
(STK500 Required)  
O
O
TQFP Footprint for Emulator Adapters  
O
O
O
Serial In-System Programming  
JTAG Connector for On-chip  
Debugging using the JTAG ICE  
Parallel High-voltage Programming  
O
O
Adds XRAM Support to the STK500  
Board for Devices with XRAM Interface  
Zero Insertion Force Socket for TQFP  
Packages  
On-board 32 kHz Clock Crystal for  
Easy RTC Implementation  
O
O
All AVR I/O Ports Easily Acessible  
through Pin Header Connector  
O
O
Target Voltage 2.7 – 6.0V  
Powered by STK500  
Spare RS-232 Driver and Connector  
 

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