User System Interface Board User's Manual
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Secti
on 4 User Sy
stem I
nterface Ci
rcuits
Rev. 2.00 S
ep. 08, 2008 Page 20 of
30
REJ10J
1868-0200
MCU
User system
Sub-MCU
P20
P21
47 k
Ω
Vcc
P20
P21
TIOCA3
TIOCB3
Figure 13 User System Interface Circuit (2)
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