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42
D[15:0]
D[15:0]
A[3:1]
A[3:1]
V
CC
PSD4000系列
XA-G3
V
CC
V
CC
V
CC
PSD4135G2
9
29
69
21
A1
A2
A3
XTAL1
Cryatal
20
XTAL2
11
RXD0
13
TXD0
6
RXD1
7
TXD1
A12D8
A13D9
A14D10
A15D11
A16D12
A17D13
A18D14
A19D15
ADIO8
ADI09
ADIO10
ADIO11
ADIO12
ADIO13
ADIO14
ADIO15
24
25
26
27
28
29
30
31
PG0
PG1
PG2
PG3
PG4
PG5
PG6
PG7
A12D8
A13D9
A14D10
A15D11
A16D12
A17D13
A18D14
A19D15
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
A10D6
A11D7
43
42
41
40
39
38
37
36
ADIO0
ADIO1
ADIO2
ADIO3
ADIO4
ADIO5
ADIO6
ADIO7
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
A4D0
A5D1
A6D2
A7D3
A8D4
A9D5
A10D6
A11D7
3
4
5
6
7
10
11
12
31
32
33
34
35
36
37
38
9
T2EX
8
T2
10
T0
RESET
WRL
59
60
CRTL0 (WR)
CNTL1 ( RD )
CNTL2
40
V
CC
RD
PSEN
10
14
15
RST
INT0
INT1
图16.接口的PSD4135G2与80C51XA -G3
35
PSEN
33
WRH
39
RESET
ALE
32
EA / WAIT
79
80
1
2
A3
A2
A1
A0/WRH
WRL
RD
5
4
3
2
18
19
A3
A2
A1
17
ALE
BUSW
PD0 ( ALE )
PD1 ( CLKIN )
PD2 ( CSI )
PD3 ( WRH )
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
51
52
53
54
55
56
57
58
61
62
63
64
65
66
67
68
RESET
71
72
73
74
75
76
77
78
PEO (TMS)的
PE1 ( TCK / ST )
PE2 ( TDI)的
PD3 ( TDO )
PE4 ( TSTAT / RDY )
PE5 ( TERR )
PE6 ( VSTBY )
PE7 ( VBATON )
GND GND GND GND GND
8
30
49
50
70
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
41
42
43
44
45
46
47
48
初步信息