NJU3552 データシートの表示（PDF） - Japan Radio Corporation

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NJU3552

4-BIT SINGLE CHIP OTP MICRO CONTROLLER

Japan Radio Corporation  

NJU3552

2) Edge Detector Selection

PD1 terminal is added the “Edge detect function” by the mask option.

Rising edge

Falling edge

3) The data order (MSB, LSB) of the Serial Interface

The data order of the Serial Interface is selected select either MSB or LSB first by the mask option.

4) Dividing ration of the internal clock

Each dividing ration of the count clocks of Timer, the Internal shift clock of the Serial Interface and the

output clock through the SCK/CKOUT terminal is selected among the following by the mask option.

The frequency of each clock is determined by the dividing ration and the 1-instruction term (1/fOSCx6).

1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024, 1/2048, 1/4096

Note) As the shift clock of the serial interface, the external clock or the internal is selected by the

program.

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[CAUTION]

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

the industrial rights.

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