The single unit stood at $1.3286, flat from late Thursday in New York, and eased to 103.08 yen from 103.20 yen.

The dollar bought 77.59 yen, edging down from 77.68 yen.

European finance ministers gave Athens less than a week to pass new austerity measures and cuts if they are to grant the debt-stricken country a fresh 130 billion euro ($173 billion) payout.

"No final agreement has been made over the Greek bailout issue," said Tsunemasa Tsukada, chief manager of forex trading for Mitsubishi UFJ Trust and Banking Corp.

"The uncertainty in the European crisis has not been removed, and Japanese investors have yet to regain confidence in Europe," Tsukada said.

But dealers also said the move to buy the euro would continue with a possible improvement to the Greek debt crisis in sight, adding an optimistic note to trade in the single currency.