User`s manual

34
MCU
Vcc
User system
Vss
EXTAL
XTAL
Vcc
Vss
EXTAL
XTAL
V
CL
EMLE
NC
NC
NC NC
VHC244 EPM7256
Voltage-follower
circuit
Vcc
47 kΩ
LPT244
2.3 kΩ
Figure 3.3 User System Interface Circuits (2)