File:Nikon D80 mainboard.jpg
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Captions
Summary
[edit]DescriptionNikon D80 mainboard.jpg |
English: The mainboard of a Nikon D80 DSLR with pre-EXPEED image processor (EI-137), ADCs and CCD drivers. |
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Date | |||
Source | Own work | ||
Author | Phiarc | ||
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Annotations InfoField | This image is annotated: View the annotations at Commons |
Two HD49343 12-bit PGA-ADCs amplify and digitize the analog signal from the CCD image sensor.
Two CCD driver ICs
Nikon EI-138 CCD driver ASIC
Nikon EI-137, a pre-EXPEED system-on-a-chip (SoC) and image processor.
Spansion S29GL064A90, a 64 MBit flash memory chip with 90 ns access time containing the camera's firmware.
Two Nanya NT5TU32M16AG-37B 533 MT/s CL4 DDR2-SDRAM chips with 512 MBit capacity each (and a 16-bit wide memory bus).
This amounts to 128 MB of main/buffer memory for the camera.
The memory bandwidth is approximately 2.1 GB/s, assuming a 32-bit memory controller.
Connector for the top cover buttons, viewfinder LCD and shoulder display.
Connector carrying power and drive signals to the CCD image sensor.
Soldered coaxial cable carrying one of the two analog output channels of the image sensor.
Soldered coaxial cable carrying one of the two analog output channels of the image sensor.
Connector for the rear display and the rear cover buttons.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:40, 12 May 2022 | 8,977 × 5,768 (7.99 MB) | Phiarc (talk | contribs) | whoops | |
13:38, 12 May 2022 | 9,000 × 6,090 (10.87 MB) | Phiarc (talk | contribs) | Uploaded own work with UploadWizard |
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