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Terminal Signal line name
31
D0
32
RESET
33
NC
34
NC
35
nWR
36
MDB7
37
MDB6
38
MDB5
39
MDB4
40
MDB3
41
MDB2
42
MDB1
43
MDB0
44
nRD
c) PPI (IC106) Port map
Terminal Signal line name
1
NC
2
nCS
3
GND
4
A1
5
A0
6
nPQC_RESET
7
ALRM_LED
8
FAN_MTR
9
SPLY_MTR0
10
HED_MTR0
11
HED_MTR1
12
TKUP_MTR0
13
SPLY_MTR1
14
HED_HOM_SENS
15
HED_POS_SENS
4-16
I/O
Function
I
Data
I
Reset (High active)
I
Write signal
I/O
Main data bus
I/O
Main data bus
I/O
Main data bus
I/O
Main data bus
I/O
Main data bus
I/O
Main data bus
I/O
Main data bus
I/O
Main data bus
I
Read signal
I/O
Function
I
Tip select
GND
I
Address
I
Address
O
PQC IC reset
O
Alarm LED
O
Fan motor
O
Supply motor
O
Head motor
O
Head motor
O
Take-up motor
O
Supply motor
I
Head home sensor
I
Head position sensor
UP-D70XR
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