beautypg.com
22
47 k
Ω
Vcc
UHC14
EPM7128
VHC244
_RES
MCU
User system
Figure 16 User System Interface Circuit (5)
EPM3256ATC
ADTRG0
SW2
1
P13
PB6
3
Sub-MCU
Figure 17 User System Interface Circuit (6)