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Pin No.
Pin
Signal name
name
90
PB6
BID1
89
PB5
BID0
87
PB4
PB4
86
PB3
P23
85
PB2
FH
84
PB1
83
PB0
9.3. IC251, IC252 (CODEC)
I/O
ACT
I
L
Board classification judgment (Use
undecided)
I
L
Board classification judgment (Use
undecided)
I
H
H: Operation, L: Debug
I
L
CS transmission delay signal detection
I
L
Frame head detection
O
Not used
O
Not used
35
Description
Remarks
Used
TIOCB3
Used
TIOCA3
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