ACTiSYS ACT-IR8250P Specification Download Page 17 | Manualshive

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The Infrared Wireless Expert

ACT-IR8250P

Specification

ACT-IR8250PEK PCB Photos and Dimensions:

PCB footprint & dimensions, part number, supplier and pinout spec for the connector J1 on
IR8250x0PMB and IR8250PDB boards are as follows: Molex, part number SD-48148, you
can get dimensional information at:

. More details on page 17.

© Copyright 2003-2005 ACTiSYS Corp. Page 16 of 25

Jan 28, 2005

Rev. 0.44

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Summary of Contents for ACT-IR8250P

Page 1: ...94539 Tel 510 490 8024 Fax 510 623 7268 Website http www actisys com E mail irda info actisys com ACT IR8250P IrDA Compliant Protocol Processor Specification Copyright 2003 2005 ACTiSYS Corporation A...

Page 2: ...mples Added Eval Kit PCB dimensions and circuit schematics Rev 0 31 12 19 2003 Updated reference circuit in more detail Rev 0 4 01 12 2004 Revised Appendix 1 for Development Kit Rev 0 41 03 31 2004 Re...

Page 3: ...m 11 7 Connect ACT IR8250P to a Host Device with RS232 Port 12 8 Implementation Notice 13 9 In System Programming in ACT IR8250P 14 10 ACT IR8250P Evaluation Kit IR8250PEK and IR8250PEKK 15 11 Charact...

Page 4: ...ckage In system programmable FLASH facilitates firmware changes or updates The evaluation kit IR8250PEK includes AC power supply RS232 level translators and PC software for in system re programming of...

Page 5: ...The Infrared Wireless Expert ACT IR8250P Specification ACT IR8250P Copyright 2003 2005 ACTiSYS Corp Page 4 of 25 Jan 28 2005 Rev 0 44...

Page 6: ...has only a wired serial interface The ACT IR8250P will handle all the detail about IrDA protocol It sends receives only user data to from the host device via the wired serial interface with hardware f...

Page 7: ...from host High Host not ready to accept TX Low Host ready to accept TX P3 0 11 I O Reserved Keep it open P3 1 12 I O Reserved Keep it open P3 2 13 I O Reserved Keep it open P3 3 14 I O Reserved Keep...

Page 8: ...ued Symbol Pin No I O Type Descriptions P1 3 24 I O Reserved Keep it open P1 4 25 I O Reserved Keep it open P1 5 26 I O Reserved Keep it open P1 6 27 I O Reserved Keep it open P1 7 28 I O Reserved Kee...

Page 9: ...e refer to right figure 4 2 Crystal circuit IR8250P needs a specified clock to operate please refer to right figure 4 3 Host Interface The host interface of IR8250P is a full duplex asynchronous seria...

Page 10: ...most transceiver The data is transmit by pin IR_TX and data received by nIR_RX IR_SD can shut down transceiver when IR8250P is disabled This pin is optional The below figure is the signal specificatio...

Page 11: ...l Once awaken it will either actively communicate with an IrDA Primary device PC PDA Cell phone etc or go back to sleep if no IrDA Primary is there 5 IrDA Protocols Supported The following figure is t...

Page 12: ...250P Specification 6 IR8250P Parts ID and Firmware Number System ACT IR8250P Please contact irda info actisys com or info actisys com tw for updated firmware and parts Copyright 2003 2005 ACTiSYS Corp...

Page 13: ...a RS232 interface There are a total of 7 signals between the host and the IR8250P The pin assignment and name of each signal at the chip levels are summarized in Table 1 below Please note that DTE den...

Page 14: ...apacitor 3 Reset Pin I O type Name Comments 7 I nRST Active low reset This signal can be generated by the host a RC circuit or a RESET chip It supports Brown out feature 4 IrDA Transceiver Pin I O typ...

Page 15: ...converted to RS232 Level and connected to the RxD input of PC COM Port 4 PC COM Port DTR output must be converted to 3 3V Logic Level and connected to Enable input at Pin 8 P2 0 of IR8250P This signal...

Page 16: ...ce connector A more useful Evaluation Kit Full Set is ACT IR8250PEKK which is IR8250PEK IR4000US notebook desktop USB IrDA adapter This is to test IR8250P connected to your device to exchange IrDA dat...

Page 17: ...ootprint dimensions part number supplier and pinout spec for the connector J1 on IR8250x0PMB and IR8250PDB boards are as follows Molex part number SD 48148 you can get dimensional information at www m...

Page 18: ...The Infrared Wireless Expert ACT IR8250P Specification J1 Connector CONN JST M 10Pin Copyright 2003 2005 ACTiSYS Corp Page 17 of 25 Jan 28 2005 Rev 0 44...

Page 19: ...470nF 16V C4 470nF 16V C2 470nF 16V C5 470nF 16V DSR RxD CTS RTS TxD DTR IR82x0PEK Board Yuwei 1 2 J11 ACTISYS CORP CONFIDENTIAL Copyright C 2003 2003 ACTiSYS Corp 0 3 D8 D7 R1 1k R4 1k D10 D9 R5 1k...

Page 20: ...ontrol to host TX Flow control from host Status to host Enable from host High idle stop bit 1 bit Low start bit 0 bit Low start bit 0 bit High idle stop bit 1 bit High IR8250P not ready to accept RX L...

Page 21: ...iability NOTE All voltages referenced to VSS Recommended operating conditions Parameter MIN TYPICAL MAX Units Supply voltage during program execution VCC 1 8 3 3 3 6 V Supply voltage VSS 0 V Operating...

Page 22: ...Low Host ready to accept TX High no IrDA connection Low IrDA connection active High disallow IrDA connection Low allow IrDA connection R5 30k TEST 1 VCC 2 P2 1 9 P1 5 26 P2 5 3 VSS 4 XOUT 5 XIN 6 RST...

Page 23: ...The Infrared Wireless Expert ACT IR8250P Specification 13 Package Dimensions SOP28 Copyright 2003 2005 ACTiSYS Corp Page 22 of 25 Jan 28 2005 Rev 0 44...

Page 24: ...The Infrared Wireless Expert ACT IR8250P Specification TSSOP28 Copyright 2003 2005 ACTiSYS Corp Page 23 of 25 Jan 28 2005 Rev 0 44...

Page 25: ...d IR8250PDB by using the short 10 pin cable connectors 2 Plug the DC power in P1 connector 5V to 12V DC is fine 3 Connect IR82x0PMB DB9F directly or use DB9M to DB9F extension cable straight through n...

Page 26: ...these data to host device 6 LED D5 When it lights up means IR8250P enables its CTS D5 lights off means IR8250P is not allowed to receive any data from host device e g buffer full etc 7 J3 and J5 If y...

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