ICS1531 datasheet(41/76 Pages) ICST

41 / 76 page

Chapter 6

ICS1531 Rev N 12/1/99

December, 1999

ICS1531 Data Sheet - Preliminary

6.5.22

The PNLCLK-OE (PNLCLK Output Enable) Register is used to enable the PNLCLK output and

spread-spectrum functionality. (To select values, see Section 7.3, “Programming Spread Spectrum”.)

Table 6-22.

PNLCLK-OE Register

Bit

Bit Name

Bit Definition

Ac-

cess

Spec.

Func.

Re-

set

25:7-

25:3

Reserved

Reserved.

• See Section 6.1, “Reserved Bits”.

• These bits can be programmed to ‘0’.

––

25:2

CLK_SEL

Clock Selection.

This bit selects the input to the PNLCLK phase-lock loop.

• 0 = Frequency input is from a crystal.

• 1 = Frequency input is from ADC_CLK, divided by 16.

R/W

–

25:1

PNLCLK_SSENB

PNLCLK Spread-Spectrum Enable.

• 0 = Disable PNLCLK spread-spectrum functionality.

• 1 = Enable PNLCLK spread-spectrum functionality.

R/W

–

25:0

PNLCLK_OE

PNLCLK Output Enable.

• 0 = Disable PNLCLK output.

• 1 = Enable PNLCLK output.

R/W

–

ICS1531 数据表(PDF) 41 Page - Integrated Circuit Systems

ICS1531 数据表(HTML) 41 Page - Integrated Circuit Systems

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76

数据表下载