User`s manual

20
MCU
MD control
circuit
Monitor
circuit
VHC14
MD0
MD1
MD2
MD0
MD1
MD2
Vcc
4.7 kΩ
VHC244 EPM7256
VHC244
_RES
_NMI
_STBY
_RES
_NMI
_STBY
Vcc
4.7 kΩ
User system
interface cable
VHC244
LVT16244
Figure 3.2 User System Interface Circuits (1)