Hardware Description

2.5Board Settings The AT89STK-06 board has two types of settings:

„Jumpers

„Solder strap

„Test points

Table 2-1, Table 2-2and Table 2-3provide an overview of the available settings and test points.

2.5.1Jumpers

Table 2-1.Default Jumper Setting

Reference

PCB Name

Comments (guidelines)

Default

 

 

 

 

JP1

EA

ON : allows external execution

Open (OFF)

OFF: Internal code execution

 

 

 

 

 

 

 

JP2

MUTE

ON : Enable C51 generic extension board (optionnal) buzzer

Open (OFF)

OFF: Disable C51 generic extension board (optionnal) buzzer

 

 

 

 

 

 

 

JP3

CANRes

ON : Enable CAN terminator resistor

Open (OFF)

OFF: Disable CAN terminator resistor

 

 

 

 

 

 

 

JP4

RTS

ON : Enable RTS line to control ISP mode (for AutoISP mode)

Open (OFF)

OFF: Disable RTS line to control ISP mode

 

 

 

 

 

 

 

JP5

DTR

ON : Enable DTR line to drive MCU reset (for AutoISP mode)

Open (OFF)

OFF: Disable DTR line to drive MCU reset

 

 

 

 

 

 

 

JP6

Batt

ON : Enable Battery charge

Open (OFF)

OFF: Disable Battery charge

 

 

 

 

 

 

 

Figure 2-10.Jumper Setting Definition

strap

jumper header

ON or

OFF

Ex: 1-2

 

AT89STK-06 Demo Board Software Demo Guide

2-7

4339C–CAN–07/05