37.13.2 USB Control Status Register High for Endpoint0

Table 37-76. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Grey cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
KWrite to clearSSoftware settable bit
Name: CSR0H
Offset: 0x1013
Reset: 0x0000
Property: PAC Write-Protection

Bit 76543210 
        FLSHFIFO 
Access R/W/HC 
Reset 0 

Bit 0 – FLSHFIFO Flush FIFO Control bit

ValueDescription
0No Flush operation
1Flush the next packet to be transmitted/read from the Endpoint 0 FIFO. The FIFO pointer is reset and the TXPKTRDY/RXPKTRDY bit is cleared. Automatically cleared when the operation completes. Should only be used when TXPKTRDY/RXPKTRDY = 1.