Manual

AN258
2 AN258REV2
Figure 2. Proposed Reset Circuit 2
U6
MAX708C SA
1
2
3
4 5
6
7
8
/MR
Vcc
GND
PFI /PFO
NC
/RST
RST
5V
R4
Zero Ohm Jumper
R5
560
R1
100K
U7C
74VHC132
9
10
8
U7B
74VHC132
4
5
6
5V
(DEFAULT=INSTALL)
R389
10K
/POR
5V
RDLED
J1
JUMPER
1 2
LED1
RED_LED
R2
R
SW2
PUSHBUTTON
(SEE APP NOTE)
R3
10K
C3
0.1uF
C1
0.1uF
D1
(DO NOT POPULATE)
5V
U7A
74HVC132
1
2
3
C2
2.2uF