The yen rose earlier on a report that the Chinese yuan could be convertible on the capital account in the future.

This week's focus will be the January US consumer price index, due Wednesday, as the market is awaiting the key inflation data.

If the core CPI is above market consensus forecast of a rise of 0.4 pct year-on-year, this would fuel speculation that the Bank of Japan will end its ultra-easy monetary policy at its meeting next week, which could spark a spate of yen-buying.