Disclosed are a device and method for accessing to a RAM and a control chip. The device includes a register module configured to acquire attribute information and startup information configured by a CPU and send the startup information to a searching and matching module, and also configured to store data information successfully matched by the searching and matching module and instruct the CPU to read the data information. The searching and matching module is configured to send address information to an RAM interface module according to the startup information, and also configured to acquire the data information sent by the RAM interface module, match the data information based on the attribute information in the register module and send the data information to the register module after matching is successful. The RAM interface module is configured to read the data information from the RAM based on the address information sent by the searching and matching module and send the data information to the searching and matching module.