CHAPTER 4 PORT FUNCTIONS
Preliminary User’s Manual U16846EJ1V0UD
70
Figure 4-6. Block Diagram of P11 and P14
P11/SI10 (/RxD0
Note
),
P14/RxD6
WR
PU
RD
WR
PORT
WR
PM
PU11, PU14
Alternate
function
Output latch
(P11, P14)
PM11, PM14
PU1
PM1
V
DD
P-ch
Selector
Internal bus
Note Available only in the
µ
PD78F0102H and 78F0103H.
PU1:
Pull-up resistor option register 1
PM1:
Port mode register 1
RD: Read
signal
WR
××
: Write
signal