Universal serial bus full-speed device interface (USB) RM0008
639/1128 DocID13902 Rev 15
10 ISO
11 INTERRUPT
Table 175. Endpoint kind meaning
EP_TYPE[1:0] EP_KIND Meaning
00 BULK DBL_BUF
01 CONTROL STATUS_OUT
10 ISO Not used
11 INTERRUPT Not used
Table 176. Transmission status encoding
STAT_TX[1:0] Meaning
00 DISABLED: all transmission requests addressed to this endpoint are ignored.
01
STALL: the endpoint is stalled and all transmission requests result in a STALL
handshake.
10
NAK: the endpoint is naked and all transmission requests result in a NAK
handshake.
11 VALID: this endpoint is enabled for transmission.
Table 174. Endpoint type encoding (continued)
EP_TYPE[1:0] Meaning