HCS410-IP Microchip Technology, HCS410-IP Datasheet - Page 31

• Manufacturer Part Number: HCS410-IP
• Description: KEELOQ CODE HOPPING ENCODER AND TRANSPONDER
• Manufacturer: Microchip Technology

TABLE 5-5:
FIGURE 5-3:
V
Commercial
Industrial
V
Commercial
Industrial
Symbol
T
Symbol
T
T
DD
T
DD
1997 Microchip Technology Inc.
T
T
START
START
T
T
Note: The timing parameters are not tested but derived from the oscillator clock.
STOP
Note: The timing parameters are not tested but derived from the oscillator clock.
STOP
T
T
T
T
T
T
HOP
T
T
HOP
—
—
FIX
FIX
= +2.0V to 6.3V
= +2.0V to 6.3V
H
G
H
G
E
P
E
P
Basic pulse element
Preamble duration
Header duration
Start bit
Code hopping duration
Fixed code duration
Stop bit
Guard time
Total transmit time
Basic pulse element
Preamble duration
Header duration
Start bit
Code hopping duration
Fixed code duration
Stop bit
Guard time
Total transmit time
(C): Tamb = 0 C to +70 C
(I): Tamb = -40 C to +85 C
(C): Tamb = 0 C to +70 C
(I): Tamb = -40 C to +85 C
Characteristic
Characteristic
CODE WORD TRANSMISSION TIMING PARAMETERS—MANCHESTER MODE
TYPICAL VOLTAGE TRIP POINTS
Volts (V)
Number
Number
of T
of T
210
210
2.0
32
64
74
32
32
64
74
32
1
4
2
2
1
4
2
E
E
5.0
4.6
4.4
4.2
4.0
3.8
2.8
2.6
2.4
2.2
2.0
1.8
1.6
4.8
-40
720.0
23.04
46.08
53.28
151.2
360.0
11.52
23.04
26.64
Min.
Min.
2.88
1.44
1.44
23.0
1.44
0.72
0.72
11.5
75.6
Preliminary
BSL1 = 0,
BSL1 = 1,
BSL0 = 0
BSL0 = 0
800.0
25.60
51.20
59.20
400.0
12.80
25.60
29.60
Typ.
3.20
1.60
1.60
25.6
Typ.
1.60
0.80
0.80
12.8
84.0
168
0
V
V
LOW
LOW
sel = 0
50
880.0
28.16
56.32
65.12
184.8
440.0
14.08
28.16
32.56
Max.
Max.
sel = 1
3.52
1.76
1.76
28.2
1.76
0.88
0.88
14.1
92.4
Code Words Transmitted
Code Words Transmitted
85
V
Number
Number
Temp (C)
LOW
of T
of T
32.0
64.0
32.0
64.0
210
210
1.0
4.0
2.0
2.0
1.0
4.0
2.0
2.0
74
32
74
32
E
E
360.0
11.52
23.04
26.64
180.0
11.52
13.32
Min.
1.44
0.72
0.72
11.5
75.6
Min.
5.76
0.72
0.36
0.36
37.8
5.8
BSL1 = 0,
BSL0 = 1
BSL1 = 1,
Nominal V
BSL0 = 1
400.0
12.80
25.60
29.60
200.0
12.80
Typ.
1.60
0.80
0.80
12.8
84.0
Typ.
6.40
0.80
0.40
14.8
0.40
42.0
6.4
HCS410
Legend
DS40158C-page 31
LOW
440.0
14.08
28.16
32.56
Max.
1.76
92.4
0.88
0.88
14.1
220.0
14.08
16.28
Max.
7.04
0.88
0.44
0.44
46.2
7.0
trip point
Units
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
s
s