PSD833F4-70 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
PSD833F4-70 Datasheet PDF : 110 Pages
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PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2
68HC11
Figure 25 shows a bus interface to a 68HC11
where the PSD is configured in 8-bit multiplexed
mode with E and R/W settings. The DPLD can be
used to generate the READ and WR signals for
external devices.
Figure 25. Interfacing the PSD with a 68HC11
RESET
68HC11
8
XT
7
EX
17
19 RESET
18
IRQ
XIRQ
2
MODB
34
33
32
PA0
PA1
PA2
43
44
PE0
45
46
PE1
PE2
47 PE3
48 PE4
49
50
PE5
PE6
PE7
52
51
VRH
VRL
PA3 31
PA4
PA5
PA6
30
29
28
PA7 27
PB0
PB1
PB2
42
41
40
PB3
PB4
PB5
PB6
PB7
39
38
37
36
35
9
PC0 10
PC1 11
PC2
PC3
12
13
PC4
PC5
PC6
PC7
14
15
16
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
20
PD0
PD1
PD2
PD3
21
22
23
24
PD4 25
PD5
3
MODA
5
E
4
AS
6
R/W
E
AS
R/W
RESET
AD7-AD0
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A8
A9
A10
A11
A12
A13
A14
A15
PSD
30 ADIO0
31 ADIO1
32
33
ADIO2
ADIO3
34
35
36
AD104
AD105
37 ADIO6
ADIO7
39
40
41
42
43
44
45
46
ADIO8
ADIO9
ADIO10
ADIO11
AD1012
AD1013
ADIO14
ADIO15
47
50
CNTL0 (R_W)
CNTL1(E)
49 CNTL 2
10
9
PD0 – AS
8
PD1
PD2
48
RESET
AD7-AD0
29
PA0
PA1
PA2
PA3
28
27
25
PA4
PA5
PA6
24
23
22
PA7 21
PB0
PB1
PB2
PB3
PB4
PB5
7
6
5
4
3
2
PB6
PB7
52
51
PC0
PC1
PC2
PC3
PC4
20
19
18
17
14
13
PC5
PC6
12
11
PC7
AI02884C
50/110
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