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HCS370TIP Datasheet(PDF) 10 Page - Microchip Technology |
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HCS370TIP Datasheet(HTML) 10 Page - Microchip Technology |
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10 / 36 page  HCS370 DS41111D-page 10 Preliminary 2002 Microchip Technology Inc. 3.1 Dual Encoder Operation The HCS370 contains two transmitter configurations with separate serial numbers, encoder keys, discrimi- nation values, syncronization counters, and seed val- ues. The code word is calculated using one of two possible encoder configurations. Most options for code word and modulation formats can be different from Encoder 1 and Encoder 2. However, LED and RF transmitter options have to be the same. The SHIFT input pin is used to select between the encoder config- urations. A low on the SHIFT pin will select Encoder 1 and a high will select Encoder 2. Symbol Address 16:Bits Description(1) Reference Section WAKE 3F: ---- --10 Wake-up(1) Value 2 Value 4.1 00 No Wake-up 01 75 ms 50% 10 50 ms 33.3% 11 100 ms 16.7% CNTSEL 3F: ---- -2-- Counter Select 16 bits = 0 20 bits = 1 3.2.1 VLOWL 3F: ---- 3--- Low Voltage Latch Enable Disable = 0 Enable = 1 3.2.3.1 VLOWSEL 3F: ---4 ---- Low Voltage Trip Point Select(2) 2.2 V = 0 3.2V = 1 3.2.3.1 PLLSEL 3F: --5- ---- PLL Interface Select ASK = 0 FSK = 1 5.2 MTX 3D: ---- --10 Minimum Code Words Value 2 Value 2.0 00 1 01 2 10 4 11 8 SOEN 3D: ---- 3--- SLEEP Output Enable Disable = 0 Enable = 1 5.4 WAIT 3D: ---- -2-- Wait for Step-Up Regulator Disable = 0 Enable = 1 5.2, 5.4 TSEL 3D: --54 ---- Time-out Select(1) Value 2 Time(s) 2.0 00 0.8 01 3.2 10 12.8 11 25.6 Note 1: All Timing values vary ±10%. 2: Voltage thresholds are ±150 mV. |
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