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3. Specifications
Table 3.1 lists specifications of the PCA7425.
Table 3.1 Specifications of the PCA7425
Operating clock frequency
M34570E8-XXXFP
1 MHz
(Supplied by the ceramic oscillator mounted on the PCA7425.)
Supplied from the Vcc of the PROM programmer
IC51-0362-309 (Made by Yamaichi Electronics Co., Ltd.)
Board to insert a programmable MCU
(IC socket for 36-pin SOP is mounted on this board.)
Interface board
(Connected by two rows of standard-pitch 18-pin connectors
and two rows of standard-pitch 16-pin connectors to the
upper and lower boards.)
Board to be connected to the PROM programmer
(Standard-pitch 28-pin pin-header to be connected to the
PROM programmer is mounted.)
Board
configuration
PCA7402D
PCA7414B
PCA7425
MCU type
Power supply
IC socket