hcs360 Microchip Technology Inc., hcs360 Datasheet - Page 25

• Manufacturer Part Number: hcs360
• Description: Keeloq Code Hopping Encoder
• Manufacturer: Microchip Technology Inc.

TABLE 8-5:
TABLE 8-6:
V
Commercial (C):Tamb = 0 C to +70 C
Industrial (I):Tamb = -40 C to +85 C
Note:
V
Commercial (C):Tamb = 0 C to +70 C
Industrial (I):Tamb = -40 C to +85 C
Note:
Symbol
T
Symbol
DD
T
DD
2002 Microchip Technology Inc.
T
T
START
T
T
STOP
T
START
T
T
HOP
T
T
T
—
—
—
STOP
FIX
T
T
HOP
T
T
—
—
—
E
P
H
G
FIX
= +2.0V to 6.6V
= +2.0V to 6.6V
E
P
H
G
The timing parameters are not tested but derived from the oscillator clock.
The timing parameters are not tested but derived from the oscillator clock.
Basic pulse element
Preamble duration
Header duration
START bit
Hopping code duration
Fixed code duration
STOP bit
Guard Time (LNGRD = 0)
Total transmit time
Total transmit time
Manchester data rate
Basic pulse element
Preamble duration
Header duration
START bit
Hopping code duration
Fixed code duration
STOP bit
Guard Time (LNGRD = 0)
Total transmit time
Total transmit time
Manchester data rate
CODE WORD TRANSMISSION TIMING PARAMETERS—MANCHESTER MODE
CODE WORD TRANSMISSION TIMING PARAMETERS—MANCHESTER MODE
Characteristic
Characteristic
1923
Min.
94.6
520
3846.2
Min.
49.4
260
BSEL1 = 0,
BSEL0 = 0
BSEL1 = 1,
BSEL0 = 0
145.6
1250
Typ.
800
182
2500.0
31
64
70
4
2
2
9
Typ.
76.0
400
190
32
64
70
16
4
2
2
Code Words Transmitted
223.7
Max.
1240
1612.9
806
Code Words Transmitted
117.8
Max.
620
3846.2
7692.3
Min.
49.4
260
Min.
26.8
130
BSEL1 = 0.
BSEL0 = 1
BSEL1 = 1.
BSEL0 = 1
2500
Typ.
5000.0
76.0
400
190
31
64
70
17
Typ.
41.2
200
206
4
2
2
32
64
70
32
4
2
2
HCS360
1612.9
117.8
Max.
DS40152E-page 25
3225.8
620
Max.
63.4
310
Units
Units
bps
ms
bps
T
T
T
T
T
T
T
T
ms
T
T
T
T
T
T
T
T
E
E
E
E
E
E
E
E
s
s
E
E
E
E
E
E
E
E