Datasheet

AVR068

2591C-AVR-06/06

7 Command Sequence Example

This chapter contains examples of how to connect to the STK500 from the PC

Frontend and how to read signature from a device.

See chapter

5 Commands for the description of the commands and parameters.

7.1 Connect

The sequence of commands and parameters sent from AvrStudio to the STK500 in

order to connect is listed below.

• CMD_SIGN_ON

• CMD_GET_PARAMETER, PARAM_TOPCARD_DETECT

• CMD_GET_PARAMETER, PARAM_HW_VER

• CMD_GET_PARAMETER, PARAM_SW_MAJOR

• CMD_GET_PARAMETER, PARAM_SW_MINOR

7.2 Read Signature

7.2.1 In System Programming

The sequence of commands and parameters sent from AvrStudio to the STK500 in

order to read the device signature through ISP is listed below. Note that one already

have to be connected to do this.

• CMD_GET_PARAMETER, PARAM_TOPCARD_DETECT

• CMD_GET_PARAMETER, PARAM_CONTROLLER_INIT

• CMD_SET_PARAMETER, PARAM_CONTROLLER_INIT

• CMD_SET_PARAMETER, PARAM_RESET_POLARITY

• CMD_ENTER_PROGMODE_ISP

• CMD_READ_SIGNATURE_ISP

• CMD_LEAVE_PROGMODE_ISP