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MediaTek MT1318E Disk Drive Controller Die Shot
Die shot of a MT1318 disk drive controller. This one was removed from a DVD-ROM disk drive. This chip controls and the mechanics and the pickup assembly, and contains the required encoders, decoders and DSPs required for DVD-ROM disk drives. It reads the densely compressed data from the disk and performs error corrections and digital signal processing. Unlike HDD controllers, this chip does not contain an ARM core. It instead contains a 8032 microcontroller for general management. The gates in this chip seem to be built on top of rows of ground and positive power rails. These are particularly visible in the top left corner.
This patent document gives a good architectural overview of Mediatek disk drive controllers: images.mofcom.gov.cn/trb/accessory/200712/1197009114145.pdf
MediaTek MT1318E Disk Drive Controller Die Shot
Die shot of a MT1318 disk drive controller. This one was removed from a DVD-ROM disk drive. This chip controls and the mechanics and the pickup assembly, and contains the required encoders, decoders and DSPs required for DVD-ROM disk drives. It reads the densely compressed data from the disk and performs error corrections and digital signal processing. Unlike HDD controllers, this chip does not contain an ARM core. It instead contains a 8032 microcontroller for general management. The gates in this chip seem to be built on top of rows of ground and positive power rails. These are particularly visible in the top left corner.
This patent document gives a good architectural overview of Mediatek disk drive controllers: images.mofcom.gov.cn/trb/accessory/200712/1197009114145.pdf