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F71872F Datasheet(PDF) 11 Page - Feature Integration Technology Inc. |
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F71872F Datasheet(HTML) 11 Page - Feature Integration Technology Inc. |
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11 / 115 page  July, 2007 V0.28P 9 F71872 UART 1 Data Terminal Ready. An active low signal informs the modem or data set that controller is ready to communicate. Internal 47k ohms pulled high and disable after power on strapping. 121 DTR1#/ KBC_EN I/O8t-u47,5V VCC Power on strapping : 1 (Default) KBC Enable 0 KBC Disable 122 RTS1# I/O8t-u47,5V VCC UART 1 Request To Send. An active low signal informs the modem or data set that the controller is ready to send data. Internal 47k ohms pulled high and disable after power on strapping. 123 DSR1# INt5V VCC Data Set Ready. An active low signal indicates the modem or data set is ready to establish a communication link and transfer data to the UART. UART 1 Serial Output. Used to transmit serial data out to the communication link. Internal 47k ohms pulled high and disable after power on strapping. 124 SOUT1/ Config4E_2E I/O8t-u47,5V VCC Power on strapping : 1 (Default) C onfiguration register:4E 0 C onfiguration register:2E 125 SIN1 INt5V VCC Serial Input. Used to receive serial data through the communication link. 126 DCD2# INt5V VCC Data Carrier Detect. An active low signal indicates the modem or data set has detected a data carrier. 127 RI2# INt5V VCC Ring Indicator. An active low signal indicates that a ring signal is being received from the modem or data set. 128 CTS2# INt5V VCC Clear To Send is the modem control input. UART 2 Data Terminal Ready. An active low signal informs the modem or data set that controller is ready to communicate. Internal 47k ohms pulled high and disable after power on strapping. 1 DTR2# / RST_DRV I/O8t-u47,5V VCC Power on strapping : 1 (Default) : pin31/33/34/48/84 OD 0 Drive UART 2 Request To Send. An active low signal informs the modem or data set that the controller is ready to send data. Internal 47k ohms pulled high and disable after power on strapping. 2 RTS2#/PWM_DC I/O8t-u47,5V VCC Power on strapping : 1 (Default) PWM Mode 0 Drive Linear Mode 3 DSR2# INt5V VCC Data Set Ready. An active low signal indicates the modem or data set is ready to establish a communication link and transfer data to the UART. 5 SOUT2 I/O8t-u47,5V VCC UART 2 Serial Output. Used to transmit serial data out to the communication link. Internal 47k ohms pulled high and disable after power on strapping. 6 SIN2 INt5V VCC Serial Input. Used to receive serial data through the communication link. 5.5 KBC I/F Pin No. Pin Name Type PWR Description 45 KBRST# OD16-u10,5V VCC Keyboard reset. This pin is high after system reset. Internal |
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