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MCP2518FD 数据表(PDF) 16 Page - Microchip Technology |
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MCP2518FD 数据表(HTML) 16 Page - Microchip Technology |
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16 / 96 page ![]() MCP2518FD DS20006027A-page 16 2019 Microchip Technology Inc. REGISTER 3-1: OSC – MCP2518FD OSCILLATOR CONTROL REGISTER U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0 — — — — — — — — bit 31 bit 24 U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0 — — — — — — — — bit 23 bit 16 U-0 U-0 U-0 R-0 U-0 R-0 U-0 R-0 — — — SCLKRDY —OSCRDY — PLLRDY bit 15 bit 8 U-0 R/W-1 R/W-1 R/W-0 R/W-0 HS/C-0 U-0 R/W-0 — CLKODIV<1:0> SCLKDIV( 1) LPMEN( 3) OSCDIS( 2) —PLLEN( 1) 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 31-13 Unimplemented: Read as ‘0’ bit 12 SCLKRDY: Synchronized SCLKDIV bit 1 = SCLKDIV 1 0 = SCLKDIV 0 bit 11 Unimplemented: Read as ‘0’ bit 10 OSCRDY: Clock Ready 1 = Clock is running and stable 0 = Clock not ready or off bit 9 Unimplemented: Read as ‘0’ bit 8 PLLRDY: PLL Ready 1 = PLL Locked 0 = PLL not ready bit 7 Unimplemented: Read as ‘0’ bit 6-5 CLKODIV<1:0>: Clock Output Divisor 11 =CLKO is divided by 10 10 =CLKO is divided by 4 01 =CLKO is divided by 2 00 =CLKO is divided by 1 bit 4 SCLKDIV: System Clock Divisor( 1) 1 = SCLK is divided by 2 0 = SCLK is divided by 1 Note 1: This bit can only be modified in Configuration mode. 2: Clearing OSCDIS while in Sleep mode will wake-up the device and put it back in Configuration mode. 3: Setting LPMEN doesn’t actually put the device in LPM. It selects which Sleep mode will be entered after requesting Sleep mode using CiCON.REQOP. In order to wake up on RXCAN activity, CiINT.WAKIE must be set. |
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