5、ransformtheUSBtimingintotheJTAGtiming.CPLDusestatemachinefordatatransmission。ThereareacceptingstatemachineandSendingstatemachine。Theycancontrolthathowthedatasendorreceive.USBblasteris almost sixtimesasfastasByteblasterIIwhenitdownloadFPGAconfigurationprocess.AndbecausethatUSBblaster