hcs200 Microchip Technology Inc., hcs200 Datasheet - Page 18

• Manufacturer Part Number: hcs200
• Description: K L Code Hopping Encoder
• Manufacturer: Microchip Technology Inc.

HCS200
FIGURE 8-4:
FIGURE 8-5:
TABLE 8-3:
DS40138C-page 18
V
Commercial(C):Tamb = 0°C to +70°C
Industrial(I):Tamb = -40°C to +85°C
Header
Symbol
DD
Note:
T
T
T
T
T
T
T
HOP
—
—
FIX
= +3.5 to 13.0V
BP
E
H
G
P
The timing parameters are not tested but derived from the oscillator clock.
LSB
Bit 0 Bit 1
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
Encrypted Portion
CODE WORD TIMING
P1
Characteristic
CODE WORD FORMAT: PREAMBLE/HEADER PORTION
CODE WORD FORMAT: DATA PORTION
Bit 30 Bit 31 Bit 32 Bit 33 Bit 58 Bit 59
23 T
MSB
E
50% Duty Cycle Preamble
LSB
Number
Serial Number
of T
102
270
39
23
10
96
—
1
3
E
1190
Min.
26.9
28.6
10.9
75.6
280
840
6.4
2.8
MSB
Fixed Portion
108.0
1200
P12
Typ.
38.4
40.8
15.6
400
833
9.2
4.0
All
Bit 60 Bit 61 Bit 62 Bit 63 Bit 64 Bit 65
S3
10 T
Code Words Transmitted
Button Code
167.4
Max.
1860
S0
14.3
59.5
63.2
24.2
620
538
6.2
E
Header
S1
2381
Min.
13.4
14.3
37.8
140
420
3.2
1.4
5.5
S2
2002 Microchip Technology Inc.
1 out of 2
Bit 0 Bit 1
1667
Typ.
19.2
20.4
54.0
V
200
600
4.6
2.0
7.8
Data Bits
LOW
Status
RPT
Max.
1075
12.1
83.7
29.8
31.6
310
930
7.1
3.1
Guard
Time
Units
bps
ms
ms
ms
ms
ms
ms
s
s