We are from Alcatel-Lucnet Shanghai-Bell, and using the digital PWM system controller UCD9222. Now, we have a question about it as follow:
-> What's the default value of some 'read only' command, such as CAPBILITY Command (0x19) and DEVICE_ID/ROM_VER (0xEC) in it?
if we don't know the defalut value of CAPABILITY Command, so we don't know whether it supports or not the Packet Error Checking (PEC) on power-on?
Would you like to send us a latest copy of SLUU337?
The default value for the CAPABILITY command in the UCD9222 is the same for all the existing UCD92xx controllers, 0xB0, which equates to the following:
The default value for the DEVICE_ID/ROM_VER for all released product can be found in the document Configuration Programming of UCD Devices which can be found under the Help --> Help & Documentation Center in the Fusion Digital Power Designer.
The UCD9222's DEVICE_ID/ROM_VER is:
UCD9222-48|6.4.0.12747|101215
0x554344393232322D34387C362E342E302E31323734377C31303132313500
The updated release of the SLUU337 document is passing through the technical documentation process and should be available in the next two to three weeks.