NEC PD78F9488 - Manual (Page 88)

CHAPTER 4 PORT FUNCTIONS
88
User’s Manual U15331EJ4V1UD
Figure 4-12. Block Diagram of P60 to P67 (2/2)
(b) When µPD789489, 78F9489 is used
V REF
RD
Alternate
function
P60/ANI0/KR10 to
P67/ANI7/KR17
+
−
KRM010,
KRM014 to KRM017
WR
KRM01
A/D converter
Internal bus
KRM01: Key return mode register 01
RD:
Port 6 read signal