HCS101
DS41115D-page 10 Preliminary 1999-2013 Microchip Technology Inc.
FIGURE 7-1: POWER-UP AND TRANSMIT TIMING
TABLE 7-2: POWER-UP AND TRANSMIT TIMING
(2)
FIGURE 7-2: PREAMBLE/HEADER FORMAT
FIGURE 7-3: DATA WORD FORMAT (XSER = 0)
Standard Operating Conditions (unless otherwise specified):
Commercial (C): 0°C
TA +70°C
Industrial (I):-40°C
TA +85°C
Symbol Parameters Min. Typ. Max. Units Conditions
TBP Time to second button press 10 + Code
Word Time
— 26 + Code
Word Time
ms (Note 1)
T
TD Transmit delay from button detect 12 — 26 ms
TDB Debounce delay 6 — 20 ms
T
TO Auto-shutoff time-out period — 27 — s
Ts Start pulse delay — 4.5 — ms
Note 1: TBP is the time in which a second button can be pressed without completion of the first code word and the
intention was to press the combination of buttons.
2: Typical values - not tested in production.
Button Press Detect
Sn
T
DB
DATA
TTD
Code Word Transmission
TTO
Code
Word
1
Code
Word
2
Code
Word
3
Code
Word
n
T
BP
TS
Preamble Header
P1
P12
23 TE
10 TE
Data Word
Transmission
Bit 0 Bit 1
Bit 0 Bit 1
Header
Bit 30
Bit 31
Bit 32 Bit 33 Bit 58 Bit 59
Guard
LSB
LSB
MSB MSB S3* S0 S1 S2 Vlow
Time
Serial Number 1 Function Code Status
Bit 60
Bit 61
Bit 62 Bit 63 Bit 64 Bit 65
* See S3SET
Counter & Serial Number 3
& Function Code
