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AS2504 数据表(PDF) 3 Page - ams AG |
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AS2504 数据表(HTML) 3 Page - ams AG |
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3 / 12 page ![]() Preliminary Data Sheet AS2504 3/12 August 1998 Pin # Symbol Function 15 ATI3 Auxiliary Transmit Input 3 RI >= 100k Ω 8ROH1 Receive Output to Handset 1 Output for driving a dynamic earpiece with an impedance from 150 Ω to 300Ω (max. 0.7Vp) 9ROH2 Receive Output to Handset 2 Output for driving a dynamic earpiece with an impedance from 150 Ω to 300Ω (max. 1.4Vp) 10 ARO1 Auxiliary Receive Output 1 RL > 10k Ω (max. 1.4Vp) 16 VOL VOLume Input pin for increasing (= connect to VIN >= VDD-0.3V) or decreasing (= connect to VIN <= VSS+0.3V) the Rx volume. The idle state is between VSS+1.4V < VIN < VDD-1.4V. Max rise time 50ns, max fall time 50ns, min pulse width 1us 22 HSS HandSet or HeadSet / bit Digital input to select the ROH1 or ROH2 signal output path 21 RX0 Receive 0 / bit Digital input to select a signal path 18 AUX0 Auxiliary 0 / bit Digital input to select a signal path 17 AUX1 Auxiliary 1 / bit Digital input to select a signal path 20 TX0 Transmit 0 / bit Digital input to select a signal path 19 TX1 Transmit 1 / bit Digital input to select a signal path |
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