hcs362 Microchip Technology Inc., hcs362 Datasheet - Page 29

• Manufacturer Part Number: hcs362
• Description: Keeloq Code Hopping Encoder
• Manufacturer: Microchip Technology Inc.

TABLE 7-4:
TABLE 7-5:
V
Commercial
Industrial
Note 1: The timing parameters are not tested but derived from the oscillator clock.
V
Commercial
Industrial
Note 1: The timing parameters are not tested but derived from the oscillator clock.
DD
DD
2002 Microchip Technology Inc.
Symbol
Symbol
= +2.0V to 6.3V
= +2.0V to 6.3V
T
T
T
T
T
T
—
—
T
BP
2: Assuming
3: Allow for a +/- 10% tolerance on the encoder internal oscillator after calibration.
4: Assuming
2: Assuming
3: Allow for a +/- 10% tolerance on the encoder internal oscillator after calibration.
T
T
E
C
G
T
T
T
P
H
—
—
BP
C
E
H
G
P
Basic pulse element
Bit width
Preamble duration
Header duration
Data duration
Guard time
Total transmit time
Data Rate
(C): T
(I): T
(C): T
(I): T
CODE WORD TRANSMISSION TIMING PARAMETERS – PWM MODE
Basic pulse element
Bit width
Preamble duration
Header duration
Data duration
Guard time
Total transmit time
Data Rate
CODE WORD TRANSMISSION TIMING PARAMETERS—MANCHESTER MODE
GUARD = 10
HEADER = 1
GUARD = 10
AMB
AMB
Characteristic
AMB
AMB
Characteristic
(2)
=
= -40 °C to +85 °C
=
= -40 °C to +85 °C
(2)
0 °C to +70 °C
0 °C to +70 °C
(4)
(3)
option selected in
option selected in
option selected in
Typical
Preliminary
26.8
800
138
166
625
11
31
Typical
2
4
CONFIG_0
SEED_3
CONFIG_0
27.2
800
207
220
417
11
31
10
3
Configuration Word.
Typical
1250
26.4
400
138
Typical
Configuration Word.
10
Configuration Word.
31
96
2
4
26.4
400
207
122
833
10
31
10
3
BSEL Value
BSEL Value
Typical
2500
Typical
200
138
01
31
26
61
1667
2
4
200
207
01
31
10
26
74
3
Typical
Typical
5000
25.8
100
138
00
3334
31
43
25.8
100
207
2
4
00
31
10
50
HCS362
3
(1,3)
DS40189D-page 29
Units
Units
bps
ms
ms
bps
ms
ms
T
T
T
T
T
T
T
T
(1,3)
E
E
E
E
s
E
E
E
E
s