mcs7781 MosChip, mcs7781 Datasheet
mcs7781
Related parts for mcs7781
mcs7781 Summary of contents
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... This device contains all the necessary logic to communicate with the host computer via the USB bus. MCS7781 contains an on-chip regulator & operates in bus-powered mode. MCS7781 has a reduced frequency (12MHz) crystal oscillator. MCS7781 also has an optional EEPROM Interface. This combination of features allows significant ...
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... MCS7781 USB to IrDA Port DP USB Interface DM Serial Interface Engine XTAL1 PLL & Clock Generator XTAL2 Page 2 Block Diagram Descriptor Table FIFO Voltage FIFO Reg IrDA Digital Interface EECLK EEDIO VIN VOUT TX, TXDIODE MODE 0/1 STCFIR RXFAST RXSLOW Rev. 2.1 ...
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... TXDIODE 2 GND 3 VIN 4 VOUT 5 RXFAST RXSLOW 8 MODE0 9 DGND 10 3.3V 11 AGND N.C. Rev. 2.1 Pinout Diagram MCS7781 USB to IrDA Port TXDIODEG CFUNC1 CFUNC0 XTAL2 XTAL1 DGND nRESET STCFIR MODE1 EECLK EEDIO 3.3VA N.C. 3.3V Page 3 ...
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... MCS7781 USB to IrDA Port Pin Assignments Name Pin Type TXDIODE 1 O VIN 3 PWR VOUT 4 PWR RXFAST RXSLOW 7 I MODE0 I I/O EEDIO 18 I/O EECLK 19 I/O MODE1 20 O STCFIR 21 O nRESET 22 I XTAL1 24 I XTAL2 25 O CFUNC0 26 I CFUNC1 27 I TXDIODEG ...
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... FIFO while the RX demodulator is filling the FIFO. IR FRAMING Framing involves adding wrappers around the payload received from NDIS to make a valid IR frame. MCS7781 uses a custom framing style to achieve low gate counts. The hardware and software together play a role in making SIR, MIR, and FIR frames. Various ...
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... MCS7781 USB to IrDA Port Mode Register Offset: 0x00 Name Bit Access Default FIR * 0 R/W 0 SIR * 1 R/W 0 BBTG 2 R/W 1 ASK * 3 R/W 0 PARITY * 4 R/W 0 RATE * [7:5] R/W 0x01 PLLPWD 8 R/W 1 DRIVER 9 R/W 0 DTD 10 R/W 1 DIR 11 R/W 0 SIPEN 12 R/W 1 SENDSIP 13 R/W 0 CHGDIR RESET 15 R Changes to these bits require resetting the IR System The “ ...
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... Bit Uses the values hard coded in the design. Inter packet gap Specified in terms of number of bit times (MIR) or chip time (FIR). 0x00 Bit- The 6 LSBs are used as the inter packet gap. Bit- Uses the values hard coded in the design. MCS7781 USB to IrDA Port Page 7 ...
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... MCS7781 USB to IrDA Port XCVR Register Offset: 0x02 Name Bit Access MODE0 0 R/W STFIR 1 R/W XCVR 2 R/W RXFAST 3 R/W TXCUR [6:4] R/W MODE1 7 R/W SMODE0 8 R/W SMODE1 9 R/W INVTX 10 R/W INVRX 11 R/W EEDATA [15:12] R Vendor This table shows the usage of Vishay TDFU6614 XCVR Register Vishay TDFU6102 for various SHARP GP2W100YP Transceivers. Agilent 3602/3600 ...
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... X (non zero) = device uses the value specified in this register. Default Pulse width of the signal transmitted. 0x00 0 = device uses the hard coded values X (non zero) = device uses the value specified in this register. MCS7781 USB to IrDA Port Description Description Description Page 9 ...
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... MCS7781 USB to IrDA Port RFIFO2 Offset: 0x06 Name Bit Access TIMEOT [7:0] R/W TRSHD [14:8] R/W CLRFF 15 R/W RESV Register Offset: 0x07 Name Bit Access RESV [15:2] R/W IRINRX 1 R IRINTX 0 R Page 10 Default Description Timeout specified in terms of 50 mS. Used in SIR mode to abort a receive if idle for a long 0x0A period specified by this register. N => ...
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... Input Leakage Current L Icc Operating Current Icc Operating Current Cp Input Pin Capacitance AC Electrical Specification Temp = 0 °C to +70 °C, Vcc = 3.3V ± 10% unless otherwise specified. Symbol Parameter F USB Clock Frequency CLKA Rev. 2.1 MCS7781 GND – 0.3V to VCC + 0.3V Min Max Unit Condition 4.5 5.5 V Voltage Regulator Input 3.0 3.6 V -0.5 0.6 V External 2 ...
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... MCS7781 USB to IrDA Port e 0.22 TYP c 28-Pin SSOP Package Dimensions Page MILLIMETERS SYMBOL MIN TYP MAX A1 0.05 0.21 A2 1.65 1.80 C 0.25 e 0.65 D 10.00 10.4 E 7.4 7.8 8.2 E1 5.2 5.4 L 0.55 0.75 0. INCHES MIN TYP MAX 0.020 0.08 0.650 0.708 0.026 3.93 4.09 2.05 2.12 Rev. 2.1 ...
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... MosChip Semiconductor Technology, LTD to update or keep current the information contained in this document, nor for its use or for infringement of patent or other rights of third parties. MosChip Semiconductor Technology, LTD does not warrant or represent that any license, either expressed or implied, is granted to the user. Rev. 2.1 IMPORTANT NOTICE MCS7781 USB to IrDA Port Page 13 ...
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... MCS7781 USB to IrDA Port Revision 1.0 2.0 2.1 Corrected Electrical Specs, Certifications, Pin Descriptions Page 14 Revision History Changes Initial Release Updated to new Layout Format Date Feb-2004 26-May-2006 31-May-2006 Rev. 2.1 ...