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MCP2003-E/SN 数据表(PDF) 6 Page - Microchip Technology

部件名 MCP2003-E/SN
功能描述  LIN J2602 Transceiver
PDF  34 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP2003-E/SN 数据表(HTML) 6 Page - Microchip Technology

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MCP2003/4/3A/4A
DS20002230F-page 6
 2010-2014 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 proceed to Ready
mode;
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 is high level, then proceed to Operation
or TXOFF mode.
Bus Off state
Operation
ON
ON
ON
If CS is low level, then proceed to Power-
Down;
If FAULT/TXE low level, then proceed to
Transmitter Off mode.
Normal Operation
mode
Power-Down
OFF
Activity
Detect
OFF
On CS high level, proceed to Ready mode
then proceed to 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 is low level, then proceed to Power-
Down mode;
If FAULT/TXE and TXD high, then proceed to
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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