36.11.7 Endpoint1-7 RX Type Registers

Table 36-84. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: RXTYPE
Offset: 0x101C
Reset: 0x0000
Property: PAC Write-Protection

Bit 76543210 
 SPEED[1:0]PROTOCOL[1:0]ENDPOINTNUMBER[3:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bits 7:6 – SPEED[1:0] Operating Speed Control bits.

ValueDescription
11 Low-Speed
10 Full-Speed
01 Hi-Speed
00 Reserved

Bits 5:4 – PROTOCOL[1:0] RX Endpoint Protocol Control bits.

ValueDescription
11 Interrupt
10 Bulk
01 Isochronous
00 Control

Bits 3:0 – ENDPOINTNUMBER[3:0] RX Target Endpoint Number bits

This value is the endpoint number contained in the RX endpoint descriptor returned to the USB module during device enumeration.