MC-78F0712-KIT Renesas Electronics America, MC-78F0712-KIT Datasheet - Page 66
MC-78F0712-KIT
Manufacturer Part Number
MC-78F0712-KIT
Description
KIT REF SYSTEM 78K0 UPD78F0712
Manufacturer
Renesas Electronics America
Specifications of MC-78F0712-KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.2.4
using port mode register 5 (PM5). Use of an on-chip pull-up resistor can be specified in 1-bit units using pull-up
resistor option register 5 (PU5).
64
Port 5 is an 3-bit I/O port with an output latch. Port 5 can be set to the input mode or output mode in 1-bit units
This port can also be used as external interrupt request input, timer I/O.
RESET input sets port 5 to input mode.
Figures 4-8 and 4-9 show block diagrams of port 5.
Port 5
WR
PU5:
PM5: Port mode register 5
RD:
WR××: Write signal
WR
WR
RD
PORT
PU
PM
Read signal
Pull-up resistor option register 5
PM50, PM54
PU50, PU54
Output latch
(P50, P54)
Alternate
Alternate
function
function
PU5
PM5
Figure 4-8. Block Diagram of P50 and P54
CHAPTER 4 PORT FUNCTIONS
User’s Manual U17890EJ2V0UD
EV
DD
P-ch
P50/TI50/TO50,
P54/TI001/TO00
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