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The PD75402A operates by the pin functions in the normal operating mode.
For the PD75P402's pin functions, the 2 modes of the normal operating mode ( PD75402A mode) and the PROM
mode are available.
The operating mode switches according to the V
V
PP
Low level (GND potential)
High level (+5 V)
High level (+12.5 V)
10
CHAPTER 2. PIN FUNCTIONS
CHAPTER 2. PIN FUNCTIONS
pin level as shown in the table below.
PP
Operating Mode
Normal operating mode
PROM read mode
PROM mode
PROM write/verify mode
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