Block Diagram Of P144 And P145 - NEC 78K0 User Manual

WR
PU
RD
WR
PORT
WR
PM
PU14: Pull-up resistor option register 14
PM14: Port mode register 14
RD: Read signal
WR××: Write signal
122
CHAPTER 4 PORT FUNCTIONS
Figure 4-25. Block Diagram of P144 and P145
PU14
PU144, PU145
Output latch
(P144, P145)
PM14
PM144, PM145
Alternate
function
User's Manual U15947EJ2V0UD
*
EV
DD
P-ch
P144/SOA0,
P145/STB0