Sundance Spas ST201 - Manual (Page 89)

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Sundance Technology ST201 PRELIMINARY draft 2
CARRIERSENSEERRORS
Class....................I/O Registers, Statistics
Base Address ......IoBaseAddress register value
Address Offset .....0x74
Access Mode .......Read (also clears register)/Write
Width ...................8 bits
BIT BIT NAME BIT DESCRIPTION
3..0 CarrierSenseErrors This statistic register counts the number of times that carrier_sense
was not asserted or was de-asserted during the transmission of a
frame without collision. Carrier sense is not monitored for the purpose
of this statistic until after the preamble and start-of-frame delimiter.
This is a 4-bit counter that will stick at 0fh. An UpdateStats interrupt will
occur, if enabled, after the counter has counted through 0ch.
7..4 Reserved Reserved for future use. Should be set to 0.