HCS360_11 Datasheet, PDF (26/40 Pages) Microchip Technology – KEELOQ® Code Hopping Encoder outline and low cost,

HCS360
FIGURE 9-3: PWM FORMAT SUMMARY (MOD=0)
50% Duty Cycle
Preamble
1
16
LOGIC "0"
LOGIC "1"
TE TE TE
TBP
31XTE Preamble
10xTE _{Encrypted Portion}
Header of Transmission
Fixed Portion
of Transmission
Guard
Time
FIGURE 9-4:
PWM PREAMBLE/HEADER FORMAT (MOD=0)
P1
P16
Bit 0 Bit 1
31xTE 50% Duty Cycle Preamble
10 TE Header
Data Bits
FIGURE 9-5:
PWM DATA FORMAT (MOD=0)
Serial Number
Function Code
Status CRC
LSB
MSB LSB
MSB S3 S0 S1 S2 VLOW CRC0 CRC1
Bit 0 Bit 1 Bit 30 Bit 31 Bit 32 Bit 33 Bit 58 Bit 59 Bit 60 _{Bit 61} Bit 62 Bit 63 Bit 64 Bit 65 Bit 66
Header
Encrypted Portion
of Transmission
Fixed Portion of Transmission
Guard
Time
DS40152F-page 26
© 2011 Microchip Technology Inc.