MCP2517FD datasheet(16/98 Pages) MICROCHIP

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MCP2517FD

DS20005688B-page 16

 2017-2018 Microchip Technology Inc.

OSC – MCP2517FD OSCILLATOR CONTROL REGISTER

U-0

—

bit 31

bit 24

U-0

—

bit 23

bit 16

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-0

U-0

HS/C-0

U-0

R/W-0

—

CLKODIV<1:0>

SCLKDIV( 1)

—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

= SCLKDIV 1

= SCLKDIV 0

bit 11

Unimplemented:

Read as ‘0’

bit 10

OSCRDY:

Clock Ready

= Clock is running and stable

= Clock not ready or off

bit 9

Unimplemented:

Read as ‘0’

bit 8

PLLRDY:

PLL Ready

= PLL Locked

= PLL not ready

bit 7

Unimplemented:

Read as ‘0’

bit 6-5

CLKODIV<1:0>:

Clock Output Divisor

=CLKO is divided by 10

=CLKO is divided by 4

=CLKO is divided by 2

=CLKO is divided by 1

bit 4

SCLKDIV:

System Clock Divisor( 1)

= SCLK is divided by 2

= SCLK is divided by 1

bit 3

Unimplemented:

Read as ‘0’

bit 2

OSCDIS:

Clock (Oscillator) Disable( 2)

= Clock disabled, the device is in Sleep mode.

= Enable Clock

Note 1:

This bit can only be modified in Configuration mode.

Clearing OSCDIS while in Sleep mode will wake-up the device and put it back in Configuration mode.

MCP2517FD Datasheet(PDF) 16 Page - Microchip Technology

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