Renesas PCA4738L-64A Informations techniques télécharger pdf (Page 43)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

3822 Group

MITSUBISHI MICROCOMPUTERS

φ CLOCK SYSTEM OUTPUT FUNCTION

The internal system clock φ can be output from port P41 by setting

the φ output control register. Set bit 1 of the port P4 direction reg-

ister to “1” when outputting φ clock.

Fig. 38 Structure of φ output control register

(

)

φ output control bit

0 : port function

1 : φ clock output

Not used (return “0” when read)

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 81 82

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Renesas PCA4738L-64A Informations techniques Page 43