Owner's manual

CobraNet Hardware User’s Manual
Host Management Interface (HMI)
DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 31
Version 2.3
7.4.2 Status
HMI status can always be retrieved by reading the message conduit. Status is updated in
a pipelined manner whenever the Message D register is read. Reading the message
conduit gives the current status as of the last time the conduit was read. Bitfields in the
HMI Status Register are outlined in Ta ble 5 below. Refer also to "HMI Definitions" on
page 33 and "HMI Access Code" on page 34.
Table 5. HMI status bits
Status Bit(s)
Reserved [31:24]
Region Length [23:8]
Reserved [7:5]
Writable Region 4
Translation Complete 3
Packet Transmission Complete 2
Received Packet Available 1
Message Togglebit 0