WR
PU
PU16, PU17
RD
WR
PORT
Output latch
(P16, P17)
WR
PM
PM16, PM17
PU1:
Pull-up resistor option register 1
PM1:
Port mode register 1
RD:
Read signal
WR××: Write signal
84
CHAPTER 4 PORT FUNCTIONS
Figure 4-8. Block Diagram of P16 and P17
PU1
Alternate
function
PM1
Alternate
function
User's Manual U16227EJ2V0UD
EV
DD
P-ch
P16/TOH1/INTP5,
P17/TI50/TO50