User Guide

Table Of Contents
4
Tag Buffer ..........................................................................25
Flash Memory.......................................................................27
Accessing the Flash ...................................................................28
Upgrading Application FW..............................................................28
Serial and USB Interfaces ............................................................29
Installing the USB Driver ...............................................................29
Windows 29
General Purpose Inputs/Outputs (GPIO) ...............................................30
Default Settings .....................................................................31
Overview of the Communication Protocol ............................... 33
Host-to-Reader Communication ......................................................33
Reader-to-Host Communication ......................................................35
CCITT CRC-16 Calculation.............................................................36
Format for Microprocessor Reply to Host ..............................................38
Microprocessor ACK Message ..........................................................38
Microprocessor Fault Reply Message.....................................................39
Microprocessor Data Reply Message.....................................................39
Command Set ........................................................ 41
Boot Loader Commands .............................................................42
Flash Read Sector (02h) ...............................................................43
Get Boot Loader/Firmware Version (03h) .................................................43
Responses 44
Returned Hardware Version Table 44
Boot Firmware (04h)...................................................................44
Set Baud Rate (06h)...................................................................45
Erase Flash Sector (07h) ...............................................................47
Verify Image CRC (08h) ................................................................47
Start Bootloader (09h) .................................................................47
Get Current Program (0Ch).............................................................48
Write Flash Sector (0Dh) ...............................................................48
Loading an Application Image 48
Get Sector Size (0Eh) .................................................................49
Modify Flash Sector (0Fh) ..............................................................49
Multi-Protocol Tag Commands........................................................51
Get Tag Buffer (29h) ..................................................................51
Get Tags Remaining 51