UPD75P238 microcomputer equivalent, 4-bit single chip microcomputer.
o µPD75238 pin compatible o On-chip PROM: 32640 × 8 o On-chip RAM: 1024 × 4 o High-voltage display outputs . S0 to S8 & T0 to T9 : Internal pull-down resistors . S9, S16 .
This manual describes common parts of One-time PROM and EPROM products as PROM.
The information in this document is sub.
The µPD75P238 is a version of the µPD75238 in which the on-chip mask ROM is replaced by one-time PROM or EPROM. The one-time PROM version can be written to once only, and is useful for short-run and multiple deviceproduction of sets and early start-u.
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