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CAM35C44 Folha de dados(PDF) 10 Page - SMSC Corporation |
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CAM35C44 Folha de dados(HTML) 10 Page - SMSC Corporation |
10 / 50 page 10 NAME TOTAL PINS SYMBOL BUFFER TYPE DESCRIPTION Power Good 1 PWRGD IP This active high input indicates that the positive supply voltage VCC is valid. For normal device operation, PWRGD must be active. When PWRGD is inactive, all device inputs are disconnected and placed into a low power state; all outputs are put into a high- impedance state. Note: The crystal oscillator pins are unaffected by PWRGD. The contents of all registers are preserved as long as VCC has a valid value. Output driver current drain when PWRGD is inactive drops to ISTDBY - standby current. The PWRGD input has an internal 30 #A pull-up. No Connect 4 N/C - No internal connections are made to these pins. INFRARED INTERFACE (3) Infrared Rx 3 1 IRRX I This is the infrared port receiver input pin. Infrared Tx 1,2 1 IRTX O12PD This is the infrared port transmitter output pin. Infrared Mode/IRRX3 1 1 IRMODE/IRRX3 O12/I This is the infrared port secondary receiver input channel or a transceiver mode control pin, depending on the state of the transceiver module interface type select (TABLE 27). POWER PINS (6) +3.3V Digital Supply Voltage 2 VCC Positive Supply Voltage I/O Interface Supply Voltage 1 1 VIO Positive I/O Interface Supply Voltage Ground 3 VSS Ground Supply |
Nº de peça semelhante - CAM35C44 |
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Descrição semelhante - CAM35C44 |
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