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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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OPTION_REG датащи(PDF) 35 Page - Microchip Technology |
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OPTION_REG датащи(HTML) 35 Page - Microchip Technology |
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35 / 222 page  2013 Microchip Technology Inc. DS22331A-page 35 MCP19111 6.0 CONFIGURING THE MCP19111 The MCP19111 is an analog controller with digital peripheral. This means that device configuration is handled through register settings instead of adding external components. The following sections detail how to set the analog control registers. 6.1 Input Under Voltage Lockout The VINLVL register contains the digital value that sets the input under voltage lockout. When the input voltage on the VIN pin to the MCP19111 is below this pro- grammed level, the INTCON<VINIF> flag will be set. This bit is automatically cleared when the MCP19111 VIN voltage rises above this programmed level. The VINLVL<UVLOEN> bit must be set to enable the input under voltage lockout circuitry. Note: The VINIF interrupt flag bit is set when an interrupt condition occurs, regardless of the state of its corresponding enable bit or the Global Enable bit, GIE, of the INTCON register. REGISTER 6-1: VINLVL: INPUT UNDER VOLTAGE LOCKOUT CONTROL REGISTER R/W-0 U-0 R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x UVLOEN — UVLO5 UVLO4 UVLO3 UVLO2 UVLO1 UVLO0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7 UVLOEN: Under Voltage Lockout DAC Control bit 1 = Under Voltage Lockout DAC is enabled 0 = Under Voltage Lockout DAC is disabled bit 6 Unimplemented: Read as ‘0’ bit 5-0 UVLO<5:0>: Under Voltage Lockout Configuration bits UVLO<5:0> = 26.5*ln(UVLOSET_POINT/4) |
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