MT8986
AS/ALE
STi2
STi1
STi0
DTA
CSTo
ODE
STo0
STo1
STo2
STi4/STo8
AS/ALE
STi2
STi1
STi0
DTA
CSTo
ODE
STo0
STo1
STo2
STi4/STo8
STo3
STo4
STo5
STo6/A6
STo7/A7
VSS
AD0
AD1
AD2
AD3
AD4
STi3
STi4
STi5
STi6/A6
STi7/A7
VDD
FR
CLK
STi8/A0
STi9/A1
STi10/A2
1
2
3
4
5
6
7
8
9
10
11
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
STo3
STo4
STo5
STo6/A6
STo7/A7
VSS
AD0
AD1
AD2
AD3
AD4
DTA
STi0
STi1
STi2
STi3
STi4
STi5
STi6/A6
STi7/A7
VDD
FR
CLK
A0
A1
A2
A3
A4
A5
DS/RD
R/W\WR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 PIN DIP
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
CSTo
ODE
STo0
STo1
STo2
STo3
STo4
STo5
STo6/A6
STo7/A7
VSS
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
CS
STi3
STi4
STi5
STi6/A6
STi7/A7
VDD
FR
CLK
STi8/A0
STi9/A1
STi10/A2
IM
STi11/A3
STi12/A4
STi3/A5
DS/RD
R/W/WR
CS
AD7
AD6
AD5
STi15/STo9
44 PIN PLCC
Figure 2 - Pin Connections
Pin Description
Pin #
40
DIP
44
PLCC
44
QFP
Name
DTA
Description
Data Acknowledgement
(Open Drain Output). This active low output indicates
that a data bus transfer is complete. A 10kΩ pull-up resistor is required at this
output.
ST-BUS Inputs 0 to 5
(Inputs). Serial data input streams. These streams may
have data rates of 2.048, 4.096 or 8.192 Mbit/s with 32, 64 or 128 channels,
respectively.
1
2
40
2-7
2-5
7-9
41-43
1-3
STi0-5
2-64
IM
STi11/A3
STi12/A4
STi3/A5
DS/RD
R/W/WR
CS
AD7
AD6
AD5
STi15/STo9
44 PIN QFP
12
13
14
15
16
17
18
19
20
21
22
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
35
12
34
13
33
14
32
15
31
16
30
29
17
18 19 20 21 22 23 24 25 26 27 28
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