Renesas PCA4738F-80A Manuel d'utilisateur télécharger pdf (Page 34)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

38C3 Group

φ output control bit

0 : Port function

1 : φ clock output

φ output control register

(CKOUT : address 002B

16)

b7 b0

Not used (return “0” when read)

φ CLOCK OUTPUT FUNCTION

The internal system clock φ can be output from port P43 by setting

the φ output control register. Set “1” to bit 3 of the port P4 direction

Fig. 33 Structure of φ output control register

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 63 64

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Renesas PCA4738F-80A Manuel d'utilisateur Page 34