PSD835G3V-C-12M Просмотр технического описания (PDF) - STMicroelectronics
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PSD835G3V-C-12M Datasheet PDF : 110 Pages
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PSD8XX Family
Figure 22. Interfacing the PSD835G2 to the 80C51XA, 8-Bit Data Bus
PSD835G2
RESET
VCC
CRYSTAL
21 XTAL1
20 XTAL2
11
13
RXD0
TXD0
6 RXD1
7 TXD1
9 T2EX
8
16
T2
T0
RESET
VCC
10 RST
14
15
INT0
INT1
35 EA/WAIT
17 BUSW
XA-G3
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
A10D6
A11D7
43
42
41
40
39
38
37
36
A12D8
A13D9
A14D10
A15D11
A16D12
A17D13
A18D14
A19D15
24
25
26
27
28
29
30
31
A3
A2
A1
A0/WRH
WRL
RD
5
4
3
2
18
19
A3
A2
A1
A0
PSEN 32
ALE 33
RESET
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
A10D6
A11D7
A12
A13
A14
A15
A16
A17
A18
A19
3 ADIO0
4 ADIO1
5
6
ADIO2
ADIO3
7 ADIO4
10
11
ADIO5
ADIO6
12 ADIO7
13
14
15
16
17
18
19
20
ADIO8
ADI09
ADIO10
ADIO11
ADIO12
ADIO13
ADIO14
ADIO15
9 29 69
VCC VCC VCC
WR
RD
PSEN
ALE
59
60
CNTL0 (WR)
CNTL1 (RD)
40 CNTL2 (PSEN)
79
80
1
2
PD0 (ALE)
PD1 (CLKIN)
PD2 (CSI)
PD3
39 RESET
71
72
73
74
75
76
77
78
PE0 (TMS)
PE1 (TCK/ST)
PE2 (TDI)
PE3 (TDO)
PE4 (TSTAT/RDY)
PE5 (TERR)
PE6 (VSTBY)
PE7 (VBATON)
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
31
32
33
34
35
36
37
38
A0
A1
A2
A3
PG0
PG1
PG2
PG3
PG4
PG5
PG6
PG7
21
22
23
24
25
26
27
28
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
51
52
53
54
55
56
57
58
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
61
62
63
64
65
66
67
68
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
41
42
43
44
45
46
47
48
GND GND GND GND GND
PSD835G2 8 30 49 50 70
A[19:12] D[7:0]
A[3:0]
50
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