Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 140
Sep 27, 2010
Figure 4-10. Block Diagram of P16 and P17
P16/TOH1/INTP5,
P17/TI50/TO50
WR
PU
RD
WR
PORT
WR PM
PU16, PU17
Alternate
function
Output latch
(P16, P17)
PM16, PM17
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