Datasheet

78K0/Ix2 CHAPTER 4 PORT FUNCTIONS
R01UH0010EJ0500 Rev.5.00 122
Feb 28, 2012
Figure 4-16 Block Diagram of P34 (2/2)
(2) 78K0/IB2 (30 Pins)
P34/TOX11/INTP4
WR PU
RD
WR
PORT
WR PM
PU34
Output latch
(P34)
PM34
V DD
P-ch
PU3
PM3
P3
Alternate
function
Alternate
function
Selector
Internal bus
P3: Port register 3
PU3: Pull-up resistor option register 3
PM3: Port mode register 3
RD: Read signal
WR: Write signal