Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 164
Sep 27, 2010
Figure 4-27. Block Diagram of P120 (2/2)
(2) 78K0/KC2-L
P120/INTP0/EXLVI (/SO11)
Alternate
function
Internal bus
Alternate
function
WR PU
RD
WR
PORT
WR PM
PU120
PM120
P-ch
Selector
PU12
PM12
P12
V DD
Selector
CSISEL
MUXSEL
Output latch
(P120)
Output signal to
P62/SO11
P12: Port register 12
PU12: Pull-up resistor option register 12
PM12: Port mode register 12
MUXSEL: Port alternate switch control register
RD: Read signal
WR××: Write signal