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AS3901 Scheda tecnica(PDF) 13 Page - ams AG |
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AS3901 Scheda tecnica(HTML) 13 Page - ams AG |
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13 / 18 page ![]() ISM 433/315 MHz FSK/ASK Transmitter – Data Sheet AS3901 Rev. 6, August 2000 Page 13 of 18 3 Pin-out Informatio n Pin # Pin Name Input / Output Description 1 STDBY Dig. Input, 100 k Ω pull up Power down for all functions 2 CLK Dig. Output Clock output (CMOS level) 3 DATA Dig. Input Transmit data input (CMOS level) 4 TX/ASK on/off ASK Dig. Input, 100 k Ω pull up Power off for TX (PLL and XTAL working) ASK modulation 5 GND Power Ground 6 VDD Power Positive supply (2.7 V-5.0 V) 7 XTAL2 Analog XTAL pin2 8 XTAL1 Analog XTAL pin1 9 433/315 Dig. Input Selects division factors for constant µC Clock frequency and deviation 10 VDDRF Power Positive supply (2.7 V-5.0 V) 11 ANT2 Analog open collector output To loop antenna 12 ANT1 Analog open collector output To loop antenna 13 GNDRF Power Ground 14 NRESET Dig. Output Reset, „L“state resets a microcontroller |
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