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MCP2003 Datasheet(PDF) 6 Page - Microchip Technology |
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MCP2003 Datasheet(HTML) 6 Page - Microchip Technology |
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6 / 34 page  MCP2003/4/3A/4A DS22230D-page 6 © 2010-2011 Microchip Technology Inc. FIGURE 1-5: OPERATIONAL MODES STATE DIAGRAM – MCP2004A TABLE 1-1: OVERVIEW OF OPERATIONAL MODES State Transmitter Receiver Vren Operation Comments POR OFF OFF OFF Check CS, if low then Ready; If high transitions to either TOFF or Operation mode, depending on TXD (2003/A), or TXD and FAULT/TXE (2004/A). VBB > VBB (min) and Internal Supply stable Ready OFF ON ON If CS high level, then either Operation or TXOFF mode. Bus Off state Operation ON ON ON If CS low level, then Power-Down; If FAULT/TXE low level, then Transmitter Off mode. Normal Operation mode Power-Down OFF Activity Detect OFF On CS high level, go to READY then either Operation mode or TXOFF. MCP2003/2003A: Falling edge on WAKE will put the device into READY mode. MCP2003/MCP2004: falling edge on LIN bus will put the device into READY mode. MCP2003A/MCP2004A: rising edge on LIN bus will put the device into READY mode. Low Power mode Transmitter Off OFF ON ON If CS low level, then Power-Down; If FAULT/TXE and TXD high, then Operation mode FAULT/TXE only available on MCP2004/2004A POR VREN OFF RX OFF TX OFF VBAT>5.5V Ready VREN ON RX ON TX OFF TOFF Mode VREN ON RX ON TX OFF Operation Mode VREN ON RX ON TX ON POWER DOWN VREN OFF RX OFF TX OFF CS=1 & (TXE=0 or TXD=0) CS=1 & TXD=1 & TXE=1 CS=1 & TXD=1 &TXE=1 & No Fault Fault (thermal or timeout) or FAULT/TXE=0 CS=0 Rising edge on LIN or CS=1 CS=0 |
Similar Part No. - MCP2003_13 |
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Similar Description - MCP2003_13 |
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