Datasheet

78K0/Ix2 CHAPTER 4 PORT FUNCTIONS
R01UH0010EJ0500 Rev.5.00 105
Feb 28, 2012
Figure 4-2. Block Diagram of P01
P01/TI010/TO00
WR
PU
RD
WR
PORT
WR
PM
PU01
PM01
V
DD
P-ch
PU0
PM0
P0
Alternate
function
Output latch
(P01)
Alternate
function
Selector
Internal bus
P0: Port register 0
PU0: Pull-up resistor option register 0
PM0: Port mode register 0
RD: Read signal
WR: Write signal