CXP85400 Datasheet, PDF (10/12 Pages) Sony Corporation – CMOS 8-bit 1-chip Microcomputer

CXP85490
Piggyback mode/evaluator mode switching process is as follows.
LCC type EPROM
CXP85490
EPROM Pin 1 indicated
Pin 1 index
Two EPROMs for
custom font
(Both have the
same contens.)
CXP85400/85490
CPU probe
Note) The evaluator mode cap
should be connected to
the CPU probe.
Pin 1 mark
Piggyback mode
Evaluator mode
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