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HV7321 датащи(PDF) 12 Page - Microchip Technology |
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HV7321 датащи(HTML) 12 Page - Microchip Technology |
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12 / 30 page ![]() HV7321 DS20005639A-page 12 2016 Microchip Technology Inc. TABLE 1-2: INPUT OUTPUT LOGIC TRUTH TABLE (WITH CLK RE-TIMING, CLK 10MHZ) Function OTPN Logic Inputs TX Output RTZSW & TRSW CWSW RXDMP OEN MODE PWS CLK SEL NEG POS Pulsed-Echo Mode (1) 11 0 1 ↑ 000 RTZ OFF OFF ON 11 0 1 ↑ 001 VPP0 OFF OFF ON 11 0 1 ↑ 010 VNN0 OFF OFF ON 11 0 1 ↑ 011 RTZ+(4) ON OFF OFF 11 0 1 ↑ 100 RTZ OFF OFF ON 11 0 1 ↑ 101 VPP1 OFF OFF ON 11 0 1 ↑ 110 VNN1 OFF OFF ON 11 0 1 ↑ 111 high Z OFF OFF ON CW Mode-0 (2) 11 0 0 ↑ 000 RTZ OFF OFF ON 11 0 0 ↑ 001 VPP0 OFF OFF ON 11 0 0 ↑ 010 VNN0 OFF OFF ON 11 0 0 ↑ 011 RTZ+(4) ON OFF OFF 11 0 0 ↑ 100 RTZ OFF OFF ON 11 0 0 ↑ 101 VPP1 OFF OFF ON 11 0 0 ↑ 110 VNN1 OFF OFF ON 11 0 0 ↑ 111 high Z OFF OFF ON CW Mode-1 (3) 11 1 x x other than 011 high Z OFF ON ON 011 RTZ+(4) ON OFF OFF Device Disabled x 0 x x xxx x high Z OFF OFF ON Thermal Protection Activated 0 x x x xxx x high Z OFF OFF ON Note 1: In Pulsed-Echo mode, low duty cycle must be used due to the IC power dissipation limit. 2: When PWS = 0, VPP1/VNN1 output current is reduced for low-voltage CW mode-0. VPP0/VNN0 output current is unaffected when PWS = 1, as in Pulsed-Echo mode. 3: In CW MODE = 1, the CWSW is turned on to use external CW waveform at CWIN, if the channel SEL =NEG =POS =0. 4: When SEL = 0, NEG = 1, POS = 1, the channel is in Receiving mode (RTZ+). |
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