Section 4 User System Interface Circuits
Rev. 3.00 Sep. 08, 2008 Page 21 of 30
REJ10J1870-0300
47 kΩ
Vcc
PF7
MCU
User system
SN74CB3Q3306A
PF7
CS5#-D
CS4#-C/CS5#-C/
CS6#-C/CS7#-C
PF5
SN74CB3Q3306A
PF6
PF6
PF5
CS6#-D
Sub-MCU
SCK5
RxD5
TxD5
SW4
3
1
SW3
3
1
SW2
3
1
Figure 14 User System Interface Circuit (3)