ST STM32G471

Universal serial bus full-speed device interface (USB) RM0440
2036/2126 RM0440 Rev 4
Table 413. Endpoint type encoding
EP_TYPE[1:0] Meaning
00 BULK
01 CONTROL
10 ISO
11 INTERRUPT
Table 414. 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 415. 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.