Silicon Pr0n

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{{tag>collection_d356 vendor_sega vendor_hitachi type_unknown year_unknown foundry_unknown}}

"The identification is Sega part # 315-5744, Hitachi part # HD404920FS from a Saturn. Programming manuals refer to it as the SMPC."

Allegedly a 4-bit microcontroller. Possibly related to the HD404918/HD404919? Those would have 8k/16k-word x 10 bit ROMs.

====== Package ======

{{:d356:sega:315-5744_smpc:pack_top.jpg?300|}}

<code>
SEGA
315-5744-A05
HD40920FS
5E1 JAPAN
</code>


====== Die ======

{{:d356:sega:315-5744_smpc:rom_mz_50x.jpg?300|}}

{{https://siliconpr0n.org/map/sega/315-5744/single/sega_315-5744_d356_mz.thumb.jpg?300}}

[[https://siliconpr0n.org/map/sega/315-5744/d356_mz/|MZ @ mit20x]]
  * [[https://siliconpr0n.org/map/sega/315-5744/single/sega_315-5744_d356_mz.jpg|Single]] (16.9 MB, 7271x6492)


{{https://siliconpr0n.org/map/sega/315-5744/single/sega_315-5744_d356_rom_mz.thumb.jpg?300}}

[[https://siliconpr0n.org/map/sega/315-5744/d356_rom_mz/|ROM MZ]]
  * [[https://siliconpr0n.org/map/sega/315-5744/single/sega_315-5744_d356_rom_mz.jpg|Single]] (11 MB, 4236x7815)