Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 149
Sep 27, 2010
Figure 4-16. Block Diagram of P30 (78K0/KB2-L, 78K0/KC2-L), P31, P32, P36
P30/INTP1
(78K0/KB2-L, 78K0/KC2-L),
P31/INTP2/TOOLC1,
P32/INTP3/TOOLD1,
P36/SI11
WR
PU
RD
WR
PORT
WR PM
PU30, PU31,
PU32, PU36
PM30, PM31,
PM32, PM36
Alternate
function
Output latch
(P30, P31,
P32, P36)
P-ch
Selector
Internal bus
PU3
PM3
P3
V
DD
P3: Port register 3
PU3: Pull-up resistor option register 3
PM3: Port mode register 3
RD: Read signal
WR××: Write signal