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F71869F Datasheet(PDF) 13 Page - Feature Integration Technology Inc. |
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F71869F Datasheet(HTML) 13 Page - Feature Integration Technology Inc. |
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13 / 116 page ![]() Fintek Feature Integration Technology Inc. 2009 V1.1 12 F71869 power on strapping. The function is selected by register setting. GPIO24 I/OOD8st5v Default General Purpose IO. 2 RTS2# O8t5v-u47k VCC .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. The function is selected by register setting. GPIO25 I/OOD8st5v Default General Purpose IO. 3 DSR2# INst5v 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. The function is selected by register setting. GPIO26 I/OOD8st5v Default General Purpose IO. 5 SOUT2 O8t5v-u47k 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. The function is selected by register setting. GPIO27 I/OOD8st5v Default General Purpose IO. 6 SIN2 INst5v VCC Serial Input. Used to receive serial data through th e communication link. The function is selected by register setting. 4.5 Parallel Port Pin No. Pin Name Type PWR Description 100 SLCT INst5v VCC An active high input on this pin indicates that the printer is selected. Refer to the description of the parallel port for definition of this pin in ECP and EPP mode. 101 PE INst5v VCC An active high input on this pin indicates that the printer has detected the end of the paper. Refer to the description of the parallel port for the definition of this pin in ECP and EPP mode. 102 BUSY INst5v VCC An active high input indicates that the printer is not ready to receive data. Refer to the description of the parallel port for definition of this pin in ECP and EPP mode. 103 ACK# INst5v VCC An active low input on this pin indicates that the printer has received data and is ready to accept more data. Refer to the description of the parallel port for the definition of this pin in ECP and EPP mode. 104 SLIN# I/OOD12st5v VCC Output line for detection of printer selection. Refer to the description of the parallel port for the definition of this pin in ECP and EPP mode. 105 INIT# I/OOD12st5v VCC Output line for the printer initialization. Refer to the description of the parallel port for the definition of this pin in |
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