MPA and CPA

[mans82]

Hi all,
Does anyone know about MPA or CPA ?
MPA and CPA have 5 pins and I think they are simple microcontrollers but I'm not sure.
The picture below is shown MPA and CPA
Thanks for your helping

View attachment 36028

 

[MP1]

Are there markings on the other side of the chip?

MP

 

[surajbarkale]

How & where r they used? I don't think anyone would put a uC in a 4 pin package. Probably some ASIC :

 

[mans82]

sorry, there is no markings on the other side of the chip.
this chip is used to connect the sti5518.
2 , 3 and 4 number pins of that chip are connected to 1 , 2 and 3 of sti5518