Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 127
Sep 27, 2010
Figure 4-2. Block Diagram of P01
P01/TI010/TO00
WR
PU
RD
WR
PORT
WR PM
PU01
Alternate
function
Output latch
(P01)
PM01
Alternate
function
V DD
P-ch
Selector
Internal bus
PU0
PM0
P0
P0: Port register 0
PU0: Pull-up resistor option register 0
PM0: Port mode register 0
RD: Read signal
WR××: Write signal