Section 4 User System Interface Circuits
4.1
User System Interface Circuits
Figures 4.1 through 4.6 show user system interface circuits. Use them as a reference to determine
the value of the pull-up resistance.
SH7280
MD1
MD0
FWE
SH7280
_WDTOVF
HD151015
EP1S10
HD151015
EP1S10
Figure 4.1 User System Interface Circuits
Figure 4.2 User System Interface Circuits
Section 4 User System Interface Circuits
EP1S10
CB3T16211
CB3T16211
EP1S10
Rev. 4.00 Feb. 18, 2009 Page 59 of 64
User system
Vcc
100 kΩ
MD1
MD0
Vcc
100 kΩ
FWE
User system
_WDTOVF
REJ10J1662-0400