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Pin No.
Pin
Signal name
name
68
PA15 FH
67
PA14 BELL_SYNC
66
PA13 nIRQ1
65
PA12 HALT
64
PA11 nRTS
62
PA10 nCTS
61
PA9
60
PA8
nBREQ
58
PA7
nBACK
57
PA6
nRD
56
PA5
55
PA4
nWR
54
PA3
nWAIT
53
PA2
52
PA1
51
PA0
100
PB15 ACALM
99
PB14
98
PB13
97
PB12 P23
96
PB11
95
PB10
94
PB9
TX
93
PB8
RX
91
PB7
BID2
I/O
ACT
I
L
Frame head detection
I
L
BELL phase detection
I
L
MPR interrupt
I
H
DC power down recovery detection
O
L
Serial I/F for debug
I
L
Serial I/F for debug
O
H
Not used
I
L
Bus request from MPR
O
L
Response to bus request from MPR
O
L
Read signal
O
H
Not used
O
L
Write signal
I
L
Wait signal
O
Not used
O
Not used
O
Not used
I
H
AC interruption detection
O
Not used
O
Not used
I
L
CS transmission delay signal detection
O
Not used
O
Not used
Serial I/F for debug
Serial I/F for debug
I
L
Board classification judgment (Use
undecided)
34
Description
Remarks
Used
nIRQ3
Used
nIRQ2
Used
nIRQ1
Used
nIRQ0
Used
nBREQ
Used
nBACK
Used
Used
Used
nWAIT
Used
nIRQ4
Used
Used
RXD0
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