HCS300-IP Microchip Technology, HCS300-IP Datasheet - Page 17

• Manufacturer Part Number: HCS300-IP
• Description: KEE LOQ Code Hopping Encoder
• Manufacturer: Microchip Technology

FIGURE 8-4:
TABLE 8-4:
FIGURE 8-5:
V
Commercial (C): Tamb = 0 C to +70 C
Industrial
Note:
Symbol
Header
1996 Microchip Technology Inc.
DD
T
T
T
T
T
T
T
HOP
FIX
BP
E
P
H
G
= +2.0 to 6.0V
The timing parameters are not tested but derived from the oscillator clock.
Basic pulse element
PWM bit pulse width
Preamble duration
Header duration
Hopping code duration
Fixed code duration
Guard Time
Total Transmit Time
PWM data rate
LSB
Bit 0 Bit 1
(I): Tamb = -40 C to +85 C
Hopping Code Word
Characteristic
DATA WORD FORMAT
CODE WORD TRANSMISSION TIMING REQUIREMENTS
HCS300 TE VS. TEMP
Bit 30 Bit 31 Bit 32 Bit 33 Bit 58 Bit 59
MSB
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
Number
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
of T
102
270
23
10
96
39
1
3
LSB
E
Serial Number
1282
Min.
25.0
26.5
10.1
70.2 108.0 178.2 35.1
260
780
6.0
2.6
Preliminary
1200 1980
Typ.
38.4
40.8
15.6
833
400
All
9.2
4.0
T
T
E
Max.
E
25.7
15.2
63.4
67.3
505
MSB
660
6.6
Max.
Min.
Fixed Code Word
Bit 60 Bit 61 Bit 62 Bit 63 Bit 64 Bit 65
2564 1667 1010 5128 3333 2020
Min.
Code Words Transmitted
12.5
13.3
130
390
S3
3.0
1.3
5.1
1 out of 2
Button Code
S0
Typ.
19.2
20.4
54.0
200
600
4.6
2.0
7.8
S1
Max.
12.9
31.7
33.7
89.1
330
990
7.6
3.3
LEGEND
Typical
S2
= 2.0
= 3.0
= 6.0
Min.
17.6
195
1.5
0.7
6.6
2.5
6.2
65
VLOW RPT
1 out of 4
HCS300
Status
Typ.
10.2
27.0
100
300
2.3
1.0
9.6
3.9
DS21137D-page 17
Max. Units
15.8
16.8
44.6
165
495
1.7
6.4
3.8
Guard
Time
bps
ms
ms
ms
ms
ms
ms
s
s