Renesas H8SX/1668R - Manual (Page 32)

20
47 k Ω
Vcc
P16
MCU
User system
SN74CB3Q3306A
P16
P14
SN74CB3Q3306A
P15 P15
P14
Sub-MCU
SCK5
RxD5
TxD5
47 k Ω
Vcc
Figure 14 User System Interface Circuit (3)