ICS1532 Datasheet, PDF (23/36 Pages) Integrated Device Technology – 110 MHZ TRIPLE 8-BIT ADC WITH CLOCK GENERATOR

ICS1532
110 MHZ TRIPLE 8-BIT ADC WITH CLOCK GENERATOR
10.2.1 Programming Flow for Modifying Settings for Spread Spectrum
Figure 10-3. ICS1532 Flow for PNLCLK and MCLK PLL Spread-Spectrum Settings
Start PNLCLK
Changing PLL
Frequency?
YES
From SPREAD.INI set...
M, N, PFD GAin and Output
Scaler
PNLCLK Regs 20, 21 & 24
Start MCLK
NO
From SPREAD.INI set...
Spread Counter and Gain
PLL Software
Reset
Reg2D = xAh
PNLCLK Regs 22, 23 & 24
YES
Changing
Spread
Settings?
NO
Changing PLL
Frequency?
YES
From SPREAD.INI set...
M, N, PFD GAin and Output
Scaler
MCLK Regs 26, 27 &2A
DONE
NO
From SPREAD.INI set...
Spread Counter and Gain
PLL Software
Reset
Reg2D = 5xh
MCLK Regs 28, 29 & 2A
YES
Changing
Spread
Settings?
NO
DONE
MDS 1532 G
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Revision 060804