1 / 15 dscr51 里放的是 USB 描述符表， EZ-USB 在重枚举阶段会读取或设置相应的描述符：db DSCR_DEVICE_LEN ;; Descriptor length db DSCR_DEVICE ;; Decriptor type dw 0002H ;; Specification Version (BCD) db 00H ;; Device class db 00H ;; Device sub-class db 00H ;; Device sub-sub-c...

时间:2024-11-22 04:29栏目:行业资料