MC68HC705J1A

Manufacturer Part NumberMC68HC705J1A
ManufacturerMotorola
MC68HC705J1A datasheet
 

Specifications of MC68HC705J1A

CaseDIP-20L  
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
62
63
64
65
66
67
68
69
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
Page 101
102
Page 102
103
Page 103
104
Page 104
105
Page 105
106
Page 106
107
Page 107
108
Page 108
109
Page 109
110
Page 110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
Page 101/162

Download datasheet (2Mb)Embed
PrevNext
Technical Data — MC68HC705J1A
Section 8. External Interrupt Module (IRQ)
8.1 Contents
8.2
8.3
8.3.1
8.3.2
8.4
8.5
8.5.1
8.5.2
8.2 Introduction
The external interrupt (IRQ) module provides asynchronous external
interrupts to the CPU. These sources can generate external interrupts:
Features include:
MC68HC705J1A — Rev. 4.0
MOTOROLA
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
IRQ/V
Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
PP
Optional External Interrupts . . . . . . . . . . . . . . . . . . . . . . . . 104
IRQ Status and Control Register . . . . . . . . . . . . . . . . . . . . . . 106
External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
5.0-Volt External Interrupt Timing Characteristics . . . . . . . 107
3.3-Volt External Interrupt Timing Characteristics . . . . . . . 107
IRQ/V
pin
PP
PA0–PA3 pins
Dedicated external interrupt pin (IRQ/V
Selectable interrupt on four input/output (I/O) pins (PA0–PA3)
Programmable edge-only or edge- and level-interrupt sensitivity
External Interrupt Module (IRQ)
)
PP
Technical Data
101