HCS360-IP Microchip Technology, HCS360-IP Datasheet - Page 18

• Manufacturer Part Number: HCS360-IP
• Description: KEELOQ CODE HOPPING ENCODER
• Manufacturer: Microchip Technology

HCS360
FIGURE 8-4:
FIGURE 8-5:
FIGURE 8-6:
FIGURE 8-7:
DS40152C-page 18
Header
T
E
T
LSB
Bit 0
BP
T
E
Encrypted Data
Bit 1
LOGIC ‘0’
LOGIC ‘1’
PWM DATA WORD FORMAT
MANCHESTER FORMAT (MANCH = 1)
MANCHESTER PREAMBLE/HEADER FORMAT
HCS360 NORMALIZED TE VS. TEMP
Preamble
Bit 30 Bit 31 Bit 32 Bit 33
T
P
T
E
MSB
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
LSB
Preamble
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
32 T
Serial Number
E
Header
Preliminary
Bit 58 Bit 59
T
Temperature C
H
MSB
T
T
E
Encrypted Portion
E
Max.
Min.
of Transmission
Bit 60 Bit 61 Bit 62 Bit 63 Bit 64 Bit 65
S3
Fixed Code Data
T
HOP
Function Code
S0
Header
S1
S2
4 T
V
Typical
E
DD
Fixed portion of
Status
V
LEGEND
Transmission
1996 Microchip Technology Inc.
= 2.0V
= 3.0V
= 6.0V
LOW
Bit 0 Bit 1
Transmission
Data Word
T
FIX
CRC0 CRC1
CRC
Bit 66
Guard
Time
T
Guard
Time
G