R80C188XL-25 Просмотр технического описания (PDF) - Intel
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R80C188XL-25 Datasheet PDF : 48 Pages
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80C186XL 80C188XL
Table 6 QFP Pin Functions with Location
AD Bus
Bus Control
Processor Control
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8 (A8)
AD9 (A9)
AD10 (A10)
AD11 (A11)
AD12 (A12)
AD13 (A13)
AD14 (A14)
AD15 (A15)
A16 S3
A17 S4
A18 S5
A19 S6
64
ALE QS0
10
66
BHE (RFSH)
7
68
S0
23
70
S1
22
74
S2
21
76
RD QSMD
9
78
WR QS1
8
80
ARDY
20
65
SRDY
27
67
DEN
38
69
DT R
37
71
LOCK
28
75
HOLD
26
77
HLDA
25
79
1
3
No Connection
4
NC
2
5
NC
11
6
NC
14
NC
15
NC
24
NC
43
NC
44
NC
62
NC
63
NOTE
Pin names in parentheses apply to the 80C188XL
RES
55
RESET
18
X1
16
X2
17
CLKOUT
19
TEST BUSY
29
NMI
30
INT0
31
INT1 SELECT 32
INT2 INTA0
35
INT3 INTA1
36
Power and Ground
VCC
33
VCC
34
VCC
72
VCC
73
VSS
12
VSS
13
VSS
53
Table 7 QFP Pin Locations with Pin Names
1 AD15 (A15)
2 NC
3 A16 S3
4 A17 S4
5 A18 S5
6 A19 S6
7 BHE (RFSH)
8 WR QS1
9 RD QSMD
10 ALE QS0
11 N C
12 VSS
13 VSS
14 N C
15 N C
16 X1
17 X2
18 RESET
19 CLKOUT
20 ARDY
21 S2
22 S1
23 S0
24 N C
25 HLDA
26 HOLD
27 SRDY
28 LOCK
29 TEST BUSY
30 NMI
31 INT0
32 INT1 SELECT
33 VCC
34 VCC
35 INT2 INTA0
36 INT3 INTA1
37 DT R
38 DEN
39 MCS0 PEREQ
40 MCS1 ERROR
41 MCS2
42 MCS3 NPS
43 N C
44 N C
45 UCS
46 LCS
47 PCS6 A2
48 PCS5 A1
49 PCS4
50 PCS3
51 PCS2
52 PCS1
53 VSS
54 PCS0
55 RES
56 TMR OUT 1
57 TMR OUT 0
58 TMR IN 1
59 TMR IN 0
60 DRQ1
NOTE
Pin names in parentheses apply to the 80C188XL
20
IO
UCS
45
LCS
46
MCS0 PEREQ 39
MCS1 ERROR 40
MCS2
41
MCS3 NPS
42
PCS0
54
PCS1
52
PCS2
51
PCS3
50
PCS4
49
PCS5 A1
48
PCS6 A2
47
TMR IN 0
59
TMR IN 1
58
TMR OUT 0
57
TMR OUT 1
56
DRQ0
61
DRQ1
60
61 DRQ0
62 N C
63 N C
64 AD0
65 AD8 (A8)
66 AD1
67 AD9 (A9)
68 AD2
69 AD10 (A10)
70 AD3
71 AD11 (A11)
72 VCC
73 VCC
74 AD4
75 AD12 (A12)
76 AD5
77 AD13 (A13)
78 AD6
79 AD14 (A14)
80 AD7
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