hcs361 Microchip Technology Inc., hcs361 Datasheet - Page 27

• Manufacturer Part Number: hcs361
• Description: Keeloq Code Hopping Encoder
• Manufacturer: Microchip Technology Inc.

TABLE 8-6:
TABLE 8-7:
Commercial
Industrial
Note:
V
Commercial
Industrial
Note:
DD
2002 Microchip Technology Inc.
Symbol
Symbol
T
T
T
T
= +2.0 to 6.6V
T
T
T
HOP
T
T
T
T
T
T
T
HOP
FIX
FIX
E
S
G
P
H
E
S
H
G
P
The timing parameters are not tested but derived from the oscillator clock.
The timing parameters are not tested but derived from the oscillator clock.
V
DD
(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
TIMING PARAMETERS: VPWM MODE (BSEL=0)
TIMING PARAMETERS: VPWM MODE (BSEL=1)
Hopping code duration
= +2.0 to 6.6V
Hopping code duration
Basic pulse element
Sync Pulse duration
Fixed code duration
Total Transmit Time
Total Transmit Time
Preamble duration
Basic pulse element
Sync Pulse duration
Fixed code duration
Total Transmit Time
Total Transmit Time
Preamble duration
VPWM data rate
Header duration
Characteristic
VPWM data rate
Header duration
Characteristic
Guard Time
Guard Time
7692
44.3
Min
130
3846
59.5
Min
260
Shortest
Shortest
5000
Typ.
68.2
200
226
341
2500
28
10
10
32
35
Typ.
91.6
400
229
114
28
10
10
32
35
Code Words Transmitted
105.7
Max.
3226
Code Words Transmitted
141.9
310
Max.
1613
620
7692
Min.
53.0
3846
130
Min.
76.9
260
Longest
Longest
118.4
5000
2500
Typ.
81.6
Typ.
200
226
408
400
296
114
28
10
10
64
70
28
10
10
64
70
HCS361
183.5
126.4
Max.
1613
DS40146E-page 27
Max.
3226
620
310
Units
Units
bps
ms
bps
T
T
T
T
T
T
T
ms
T
T
T
T
T
T
T
E
E
E
E
E
E
E
s
E
E
E
E
E
E
E
s