AT90S8515

Manufacturer Part NumberAT90S8515
Description8-bit microcontroller with 8K bytes in-system programmable flash, 2.7-6.0V
ManufacturerATMEL Corporation
AT90S8515 datasheet
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
Page 61
62
Page 62
63
Page 63
64
Page 64
65
Page 65
66
Page 66
67
Page 67
68
Page 68
69
Page 69
70
Page 70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
Page 69/112

Download datasheet (3Mb)Embed
PrevNext
0841G–09/01
Figure 49. Port B Schematic Diagram (Pin PB5)
MOS
PULL-
UP
PB5
WRITE PORTB
WP:
WD:
WRITE DDRB
RL:
READ PORTB LATCH
RP:
READ PORTB PIN
RD:
READ DDRB
SPI ENABLE
SPE:
MSTR
MASTER SELECT
Figure 50. Port B Schematic Diagram (Pin PB6)
MOS
PULL-
UP
PB6
WRITE PORTB
WP:
WRITE DDRB
WD:
READ PORTB LATCH
RL:
READ PORTB PIN
RP:
READ DDRB
RD:
SPI ENABLE
SPE:
MASTER SELECT
MSTR
AT90S8515
RD
RESET
R
Q
D
DDB5
C
WD
RESET
R
Q
D
PORTB5
C
RL
WP
RP
MSTR
SPE
SPI MASTER
OUT
SPI SLAVE
IN
RD
RESET
R
Q
D
DDB6
C
WD
RESET
R
Q
D
PORTB6
C
RL
WP
RP
MSTR
SPE
SPI SLAVE
OUT
SPI MASTER
IN
69