Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 139
Sep 27, 2010
Figure 4-9. Block Diagram of P15
P15/TOH0
WR
PU
RD
WR
PORT
WR PM
PU15
Output latch
(P15)
PM15
Alternate
function
P-ch
Selector
Internal bus
PU1
PM1
P1
V
DD
P1: Port register 1
PU1: Pull-up resistor option register 1
PM1: Port mode register 1
RD: Read signal
WR××: Write signal