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MCP2003 데이터시트(PDF) 6 Page - Microchip Technology

부품명 MCP2003
상세설명  LIN J2602 Transceiver
PDF  34 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP2003 데이터시트(HTML) 6 Page - Microchip Technology

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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



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