Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 165
Sep 27, 2010
Figure 4-28. Block Diagram of P121 to P124
RD
EXCLK, OSCSEL/
EXCLKS, OSCSELS
OSCCTL
OSCSEL/
OSCSELS
OSCCTL
P121/X1/TOOLC0,
P123/XT1
Internal bus
P122/X2/EXCLK/TOOLD0,
P124/XT2/EXCLKS
RD
OSCCTL: Clock operation mode select register
RD: Read signal
WR××: Write signal