ICS1531 Data Sheet - Preliminary
Chapter 6 Register Set
6.5.22 Register 25h: PNLCLK-OE
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- Spec.
cess Func.
Re-
set
R•esSeerveeSde.ction 6.1, “Reserved Bits”.
• These bits can be programmed to ‘0’.
25:7- Reserved
25:3
–
–
0
25:2
CLK_SEL
Clock Selection.
R/W
–
0
T•his0b=itFsreelqeuctesntchyeininppuuttistofrtohme PaNcLryCsLtaKl.phase-lock loop.
• 1 = Frequency input is from ADC_CLK, divided by 16.
P•NL0C=LDKisSapbrleeaPdN-SLpCeLcKtrsupmreEadn-asbpleec.trum functionality.
25:1
25:0
PNLCLK_SSENB
PNLCLK_OE
R/W
R/W
–
–
0
0
• 1 = Enable PNLCLK spread-spectrum functionality.
P•NL0C=LDKisOaubtlepuPtNELnCaLbKleo.utput.
• 1 = Enable PNLCLK output.
ICS1531 Rev N 12/1/99
December, 1999
Copyright © 1999, Integrated Circuit Systems, Inc.
All rights reserved.
41
ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
