Renesas 7700 FAMILY User Manual page 407

PROM VERSION
In the PROM version, programming/reading to and from the built-in PROM can be performed by using a
general-purpose PROM programmer and a programming adapter.
The PROM version has the following two types :
One time PROM version
Programming to the PROM can be performed once.
This version is suitable for a small quantity of and various productions.
EPROM version
Programming to the PROM can be performed repeatedly because a program can be erased by exposing
the erase window on the top of the package to an ultraviolet light source.
This version can be used only for program development, evaluation only.
The PROM version have the same functions as the mask ROM version except that the former have a built-
in PROM. Table 18.1.1 lists the product expansion of the PROM version.
Table 18.1.1 Product expansion of PROM version
Type name
M37751E6C-XXXFP
(M37751E6CFP)
M37751E6CFS
18–2
PROM size
One time PROM 49152 bytes
EPROM 49152 bytes
7751 Group User's Manual
RAM size
2048 bytes