Interface Board User's Manual

16
P23
P27
P23
P27
SN74CB3Q3306A
SN74CB3Q3306A
MCU
User system
Figure 11 User System Interface Circuit (2)
MCU
User system
Sub-MCU
P14
P14
SN74CB3Q3306A
TXD
SN74CB3Q3306A
Figure 12 User System Interface Circuit (3)