HCS361-IP Microchip Technology, HCS361-IP Datasheet - Page 19

• Manufacturer Part Number: HCS361-IP
• Description: KEELOQ CODE HOPPING ENCODER
• Manufacturer: Microchip Technology

FIGURE 8-9:
TABLE 8-4
PWM Mode (TXWAK = 0)
V
Commercial (C):Tamb = 0 C to +70 C
Industrial
Note:
PWM Mode (TXWAK = 1)
V
Commercial (C):Tamb = 0 C to +70 C
Industrial
Note:
Symbol
Symbol
1996 Microchip Technology Inc.
DD
DD
T
T
T
T
T
T
T
T
T
T
HOP
T
T
T
T
HOP
FIX
FIX
BP
BP
G
E
P
H
G
E
P
H
= +2.0 to 6.6V
= +2.0 to 6.6V
The timing parameters are not tested but derived from the oscillator clock.
The timing parameters are not tested but derived from the oscillator clock.
Hopping code duration
Hopping code duration
PWM bit pulse width
PWM bit pulse width
Basic pulse element
Basic pulse element
Fixed code duration
Fixed code duration
Total Transmit Time
Total Transmit Time
(I):Tamb = -40 C to +85 C
(I):Tamb = -40 C to +85 C
Preamble duration
Preamble duration
Header duration
Header duration
Characteristic
PWM data rate
Characteristic
PWM data rate
Guard Time
Guard Time
HCS361 NORMALIZED TE VS. TEMP
CODE WORD TRANSMISSION TIMING PARAMETERS
T
E
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Number
Number
of T
of T
105
255
192
210
472
28
10
96
16
28
10
32
—
1
3
1
6
E
E
1282
1282
25.0
27.3
66.3
Preliminary
Min
25.0
27.3
61.4
260
780
Min
130
780
7.3
2.6
4.2
3.6
1.3
4.2
Temperature C
TXWAK = 0
TXWAK = 1
FAST = 0,
FAST = 0,
102.0
1200
1200
Typ.
11.2
Typ.
38.4
42.0
38.4
42.0
94.4
400
833
200
833
4.0
6.4
5.6
2.0
6.4
T
T
E
E
Max.
Min.
146.3
158.1
Max.
Max.
1860
1860
65.1
17.4
59.5
65.1
59.5
538
310
538
620
8.7
3.1
9.9
6.2
9.9
Code Words Transmitted
Code Words Transmitted
Number
Number
of T
of T
105
271
192
210
504
28
10
32
96
64
28
10
—
1
3
1
6
E
E
Typical
V
2564
DD
Min.
12.5
13.7
35.2
2564
130
390
Min.
12.5
13.7
32.8
3.6
1.3
4.2
390
1.8
0.7
4.2
65
LEGEND
= 2.0V
= 3.0V
= 6.0V
TXWAK = 0
TXWAK = 1
FAST = 1,
FAST = 1,
1667
Typ.
19.2
21.0
54.2
1667
200
600
Typ.
19.2
21.0
50.4
5.6
2.0
6.4
100
600
2.8
1.0
6.4
HCS361
DS40146C-page 19
Max.
1075
Max.
29.8
32.6
84.0
1075
310
930
29.8
32.6
78.1
8.7
3.1
9.9
155
930
9.9
4.3
1.6
Units
Units
bps
bps
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
s
s
s
s