Hardware Description

2.5.2

Solder straps

Solder straps allow to modify the board configuration for specific usage such as

 

 

 

T89C51CC02 compatibility.

 

Table 2-2.Table of Solder Strap

 

 

 

Reference

PCB Name

 

Comments (guidelines)

Default

 

 

 

 

 

 

SP1

 

CC02 & C5115

 

For T89C51CC02 usage, allows to redirect the ISP signal to P1.0, for

Open

 

mode

 

hardware conditions.

 

 

 

 

 

 

 

 

 

 

SP2

 

X2_44

 

Connect PLCC44 Xtal2 to XTAL2 of the generic extension board (optionnal)

Open

 

 

 

 

 

 

SP3

 

X2_52

 

Connect PLCC52 Xtal2 to XTAL2 of the generic extension board (optionnal)

Open

 

 

 

 

 

 

Figure 2-11.Solder Strap definition

 

“Open”

 

 

“Close”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solder Pad

Solder gout

 

 

 

 

 

 

 

2.5.2.1T89C51CC02/T89C5115When using T89C51CC02 or T89C5115 products with the AT89STK-06 board ( see

Support (SP1)

¨PLCC adapter for T89C51CC02 user guide: CANADAPT28), the SP1 solder pad

 

should be closed to ensure correct hardware conditions setting on P1.0 port.

 

SP1 solder pad connects ISP push button to P1.0 microcontroller port and the

 

CANADAPT28 adapter should be inseted in U2 (PLCC44) socket.

 

Figure 2-12.AT89STK-06 Board with CANADAPT28

2-8

AT89STK-06 Demo Board Software Demo Guide

4339C–CAN–07/05