37.8.1 Endpoint0 RX Count Register

Count0 is a read-only register that indicates the number of received data bytes in the Endpoint 0 FIFO. The value returned changes as the contents of the FIFO change and is only valid while RxPktRdy (CSR0.D0) is set.

Table 37-51. 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: COUNT0
Offset: 0x1018
Reset: 0x0000
Property: Read Only

Bit 76543210 
  ENDPOINT0RXCOUNT[6:0] 
Access RRRRRRR 
Reset 0000000 

Bits 6:0 – ENDPOINT0RXCOUNT[6:0]

The number of received data bytes in the Endpoint 0 FIFO. The value returned changes as the contents of the FIFO change and is only valid while the RXPKTRDY bit is set.