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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

PSD913G3V-C-90UI 데이터 시트보기 (PDF) - STMicroelectronics

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PSD913G3V-C-90UI Datasheet PDF : 94 Pages
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PSD9XX Family
Figure 16. Interfacing the PSD9XX to the 80C251, with Read and PSEN Inputs
Preliminary Information
RESET
80C251SB
2
3
4
5
P1.0
P1.1
P1.2
P1.3
6
7
8
9
P1.4
P1.5
P1.6
P1.7
21 X1
20 X2
11
13
P3.0/RXD
14 P3.1/TXD
P3.2/INT0
15 P3.3/INT1
16 P3.4/T0
17 P3.5/T1
10 RST
35
EA
P0.0
P0.1
43
42
P0.2
P0.3
41
40
P0.4 39
P0.5
P0.6
38
37
P0.7 36
P2.0 24
P2.1 25
P2.2 26
P2.3 27
P2.4 28
P2.5
P2.6
29
30
P2.7 31
ALE 33
32
PSEN
18
WR 19
RD/A16
A0
A1
A2
A3
A4
A5
A6
A7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
ALE
RD
WR
PSEN
RESET
RESET
A0
A1
A2
A3
A4
A5
A6
A7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
PSD9XXF
30
31
ADIO0
ADIO1
32
33
ADIO2
ADIO3
34 ADIO4
35 ADIO5
36 ADIO6
37 ADIO7
39
40
ADIO8
ADIO9
41 ADIO10
42
43
44
ADIO11
ADIO12
ADIO13
45 ADIO14
46 ADIO15
47 CNTL0 (WR)
50 CNTL1(RD)
49 CNTL 2(PSEN)
10
9
8
PD0- ALE
PD1
PD2
48
RESET
29
PA0
PA1
PA2
28
27
PA3
PA4
PA5
25
24
23
PA6 22
PA7 21
7
PB0 6
PB1 5
PB2
PB3
PB4
4
3
PB5 2
PB6 52
PB7 51
PC0
PC1
20
19
PC2
PC3
PC4
PC5
PC6
PC7
18
17
14
13
12
11
Figure 17. Interfacing the PSD9XX to the 80C51XA, 8-Bit Data Bus
RESET
80C51XA
21
20
XTAL1
XTAL2
11 RXD0
13
6
7
TXD0
RXD1
TXD1
9
8
T2EX
T2
16 T0
10 RST
14 INT0
15
INT1
A0/WRH
A1
A2
2
3
4
A3 5
43
A4D0
A5D1
A6D2
A7D3
42
41
40
39
A8D4
A9D5
A10D6
A11D7
A12D8
A13D9
A14D10
A15D11
A16D12
38
37
36
24
25
26
27
28
A17D13
A18D14
29
30
31
A19D15
A0
A1
A2
A3
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
A10D6
A11D7
A12
A13
A14
A15
A16
A17
A18
A19
35
EA/WAIT
17 BUSW
PSEN 32
RD 19
WRL 18
33
ALE
PSEN
RD
WR
ALE
RESET
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
A10D6
A11D7
PSD9XXF
30
31
ADIO0
32
33
ADIO1
ADIO2
ADIO3
34
35
AD104
AD105
36 ADIO6
37 ADIO7
A12
A13
39
40
ADIO8
A14
A15
A16
A17
A18
A19
41
42
43
44
45
46
ADIO9
ADIO10
ADIO11
AD1012
AD1013
ADIO14
ADIO15
47 CNTL0 (WR)
50 CNTL1(RD)
49 CNTL 2 (PSEN)
10
8 PD0-ALE
9
PD1
PD2
48
RESET
29
A0
PA0
PA1 28
A1
PA2 27
A2
PA3
PA4
PA5
25
24
23
A3
PA6 22
PA7 21
7
PB0 6
PB1
PB2
5
PB3 4
PB4
3
2
PB5 52
PB6
PB7
51
20
PC0
PC1
PC2
PC3
PC4
19
18
17
14
PC5
PC6
PC7
13
12
11
40

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