ATSTK525 Atmel, ATSTK525 Datasheet - Page 12

KIT STARTER FOR AT90USB

ATSTK525

Manufacturer Part Number
ATSTK525
Description
KIT STARTER FOR AT90USB
Manufacturer
Atmel
Datasheets

Specifications of ATSTK525

Accessory Type
STK500 Expansion Module
Processor To Be Evaluated
AT90USBxxx
Data Bus Width
8 bit
Interface Type
RS-232, USB
Silicon Manufacturer
Atmel
Core Architecture
AVR
Silicon Core Number
AT90USB
Kit Contents
Board Docs
Rohs Compliant
Yes
For Use With/related Products
AT90USB Devices
For Use With
ATEVK525 - ADD ON KIT FOR STK525ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATSTK525
Manufacturer:
Atmel
Quantity:
135
7608A–AVR–04/06
Using the STK525
2.5.2
2-12
RS-232C
The AT90USBxxx is a microcontroller with an on-chip USART peripheral (USART1).
Only the asynchronous mode is supported by the STK525.
The STK525 is supplied with a RS-232 driver/receiver. One female DB9 connector
assumes the RS-232 connections.
Figure 2-8 . RS-232 DB9 Connector
Figure 2-9 . RS-232 DB9 Connections
Figure 2-10 . Typical PC Connection Layout
RxD (AT90USBxxx)
CTS (AT90USBxxx)
RTS (AT90USBxxx)
TxD (AT90USBxxx)
STK525 / RS-232 DB9
Function
GND
RS-232 DB9 front view
5
9
Pin No
4
8
2
3
5
7
8
3
7
If Hardware Data Flow Control
2
6
1
pin 2
pin 3
pin 4
pin 6
pin 5
pin 7
pin 8
Pin No
STK525 Hardware User Guide
2
3
5
7
8
PC / DB9 serial port
(COM1 or COMx)
RS-TxD
RS-RxD
GND
RS-CTS
RS-RTS
RTS (PC)
CTS (PC)
RxD (PC)
TxD (PC)
Function
GND

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