psd813f1a STMicroelectronics, psd813f1a Datasheet - Page 51

• Manufacturer Part Number: psd813f1a
• Description: Flash In-system Programmable Isp Peripherals For 8-bit Mcus, 5 V
• Manufacturer: STMicroelectronics

68HC11
Figure
the PSD is configured in 8-bit multiplexed mode
Figure 26. Interfacing the PSD with a 68HC11
RESET
26
shows an interface to a 68HC11 where
17
19
18
32
34
33
43
44
45
46
47
48
49
50
52
51
8
7
2
68HC11
XT
EX
RESET
IRQ
XIRQ
MODB
PA0
PA1
PA2
PE0
PE1
PE2
PE3
PE5
PE6
PE7
VRH
VRL
PE4
MODA
PC0
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PD0
PD1
PD2
PD3
PD4
PD5
R / W
AS
E
RESET
10
11
12
13
14
15
16
38
36
35
9
20
21
22
23
24
25
3
5
4
6
31
30
29
28
27
41
40
39
37
42
E
AD0
AD1
AD2
AD3
AD5
AD6
AD7
AS
R / W
AD4
with E and R/W settings. The DPLD can generate
the READ and WR signals for external devices.
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A8
A9
A10
A11
A12
A13
A14
A15
30
31
32
33
34
35
36
37
39
40
41
42
43
44
45
46
47
50
49
10
48
9
8
PSD
ADIO0
ADIO1
ADIO2
ADIO3
AD104
AD105
ADIO6
ADIO7
ADIO8
ADIO9
ADIO10
ADIO11
AD1012
AD1013
ADIO14
ADIO15
CNTL0 (R _ W)
CNTL1(E)
CNTL 2
PD0 – AS
PD1
PD2
RESET
AD7-AD0
PSD813F1A
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
AD7-AD0
19
18
17
14
13
12
11
29
28
27
25
24
23
22
21
7
6
5
4
2
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20
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