Table of Contents
Table of Contents
Section 1
Introduction ........................................................................................... 1-1
1.1
Features ....................................................................................................1-2
Section 2
Using the STK501 Top Module............................................................. 2-1
2.1
2.2
Connecting the STK501 to the STK500 Starter Kit ...................................2-1
Placing an ATmega103(L) or ATmega128(L) on the STK500............2-1
PORT E/PORT F ................................................................................2-2
PORT G/AUX .....................................................................................2-3
PG0 - PG4 ...................................................................................2-3
A16...............................................................................................2-3
SRAMEN......................................................................................2-3
PEN..............................................................................................2-3
PORT Connectors.....................................................................................2-2
2.1.1
2.2.1
2.2.2
2.2.2.1
2.2.2.2
2.2.2.3
2.2.2.4
2.3
2.3.1
2.3.2
2.4
2.5
Programming the ATmega103(L)/ 128(L) .................................................2-3
In-System Programming.....................................................................2-3
High-voltage Programming.................................................................2-4
JTAG Connector .......................................................................................2-5
External SRAM .........................................................................................2-6
A16 .....................................................................................................2-7
SRAMEN ............................................................................................2-7
2.5.1
2.5.2
2.6
2.7
2.8
2.9
2.10
Ram High Address Jumpers .....................................................................2-8
A[7:0] Connector .......................................................................................2-8
Using the SRAM Interface with AT90S/LS8515 and ATmega161 ............2-8
TOSC Switch ............................................................................................2-9
RS-232C Port............................................................................................2-9
Section 3
Troubleshooting Guide ......................................................................... 3-1
Section 4
Technical Specifications ....................................................................... 4-1
Section 5
Technical Support................................................................................. 5-1
i
Section 1
Introduction
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.
This user guide acts as a general getting started guide as well as a complete technical
reference for advanced users.
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.
Figure 1-1.
STK501 Top Module for STK500
AVR
®
STK501 User Guide
1-1
Rev. 2491A-09/01
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