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MCP2021T-500E/P bảng dữ liệu(PDF) 11 Page - Microchip Technology |
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MCP2021T-500E/P bảng dữ liệu(HTML) 11 Page - Microchip Technology |
11 / 54 page 2005-2014 Microchip Technology Inc. DS20002018H-page 11 MCP2021/2/1P/2P TABLE 1-1: OVERVIEW OF OPERATIONAL MODES State Transmitter Receiver Voltage Regulator Operation Comments POR OFF OFF OFF Read VBB; if VBB > 5.75V, proceed to Ready mode Ready OFF ON ON MCP2021/2 : If CS/LWAKE is high level, then proceed to Operation mode. MCP2021P/2P : If CS/LWAKE is high level and FAULT/TXE is high level, then proceed to Operation mode. If CS/LWAKE is high level and FAULT/TXE is low level, then proceed to TXOFF mode. Bus OFF state Operation ON ON ON If CS/LWAKE is low level, then proceed to Power-Down mode. If FAULT/TXE is low level or TXD/LBUS permanent dominant is detected, then proceed to Transmitter-Off mode. Normal Operation mode Power-Down OFF Activity Detect OFF On LIN bus falling, go to Ready mode. On CS/LWAKE high level, go through Ready mode; then, to either operation or Transmitter-Off mode (refer to Figure 1-2 and Figure 1-3). Low-Power mode Transmitter-Off OFF ON ON If CS/LWAKE is low level, then proceed to Power-Down mode. If FAULT/TXE is high, then proceed to Operation mode. |
Số phần tương tự - MCP2021T-500E/P |
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Mô tả tương tự - MCP2021T-500E/P |
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