Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 137
Sep 27, 2010
Figure 4-7. Block Diagram of P13
P13/TxD6
WR
PU
RD
WR
PORT
WR PM
PU13
Output latch
(P13)
PM13
Alternate
function
P-ch
Internal bus
Selector
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