NEC 78K0 Series User Manual page 105

µ
(a) PD78F0531, 78F0532, 78F0533
WR
PU
RD
WR
PORT
WR
PM
µ
(b) PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
WR
PU
PU03, PU05
Alternate function
RD
WR
PORT
Output latch
(P03, P05)
WR
PM
PM03, PM05
P0: Port register 0
PU0: Pull-up resistor option register 0
PM0: Port mode register 0
RD: Read signal
WR××: Write signal
CHAPTER 5 PORT FUNCTIONS
Figure 5-5. Block Diagram of P03 and P05
PU0
PU03, PU05
P0
Output latch
(P03, P05)
PM0
PM03, PM05
PU0
P0
PM0
Preliminary User's Manual U17260EJ3V1UD
EV
DD
P-ch
P03, P05
EV
DD
P-ch
P03/SI11,
P05/SSI11/TI001
105