UPA-USB chips

[xoom]

Hi, maybe someone know what chips are on board marked blue:
Chips.jpg
on smaller board there is U1 marking on chip
on bigger board SO16 package chip is marked U2
and last one is missing (have seen on other boards there is chip.
so if someone have info or markings of them please help

[cocutanu]

Hi there
The small one (missing on first board) was placed on the second board and it is an ATMEL ATtiny25V (so don't worry about the missing one..it was moved on the other board)
The bigger one is an MCP3008 (MCP3008 - Mixed Signal- Successive Approximation Register (SAR) A/D Converters)

Regards