The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 2012
Filed:
Jun. 27, 2007
Shuwei Guo, Beijing, CN;
Hui Fu, Shaanxi, CN;
Lei Zhang, Beijing, CN;
Xiandi Wan, Xi'an, CN;
Infineon Technologies AG, Neubiberg, DE;
Abstract
A pseudo dual-port memory device is disclosed. One embodiment provides an internal data RAM for a microprocessor, and a method for operating a memory device. In one embodiment, a memory device for a microprocessor or microcontroller comprises: a first part with memory cells that are single-port memory cells; and a second part with memory cells that are dual-port memory cells. In another embodiment, a method for operating a memory device is provided, the memory device including at least one single-port memory and at least one dual-port memory, the method including: accessing the single-port memory of the memory device when a non-conflicting access is to be carried out at the memory device; and accessing the dual-port memory of the memory device when a conflicting access is to be carried out at the memory device.