Achronix Speedster22i User Macro Guide Manuale Utente Scaricare il pdf (Pagina 208)

PLL/DLL Clock Generators ACX_CLKGEN

Speedster Macro Cell Library

www.achronix.com PAGE 191

bypass2 Clkout[2] Bypass.

0: clkout[2] driven by PLL output.

1: clkout[2] driven by refclk input.

1’b0,1’b1 1’b0

bypass3 Clkout[3] Bypass.

0: clkout[3] driven by PLL output.

1: clkout[3] driven by refclk input.

1’b0,1’b1 1’b0

outdiv0 Clkout[0] Rotator / Output Divider Divisor. 6’h1-6’h3F 6’h4

outdiv1 Clkout[1] Rotator / Output Divider Divisor. 6’h1-6’h3F 6’h4

outdiv2 Clkout[2] Rotator / Output Divider Divisor. 6’h1-6’h3F 6’h4

outdiv3 Clkout[3] Rotator / Output Divider Divisor. 6’h1-6’h3F 6’h4

en_phase0 Clkout[0] Phase Shift Enable.

0: Disable phase_inc[0] input.

1: Enable phase_inc[0] input.

1’b0,1’b1 1’b1

en_phase1 Clkout[1] Phase Shift Enable.

0: Disable phase_inc[1] input.

1: Enable phase_inc[1] input.

1’b0,1’b1 1’b1

en_phase2 Clkout[2] Phase Shift Enable.

0: Disable phase_inc[2] input.

1: Enable phase_inc[2] input.

1’b0,1’b1 1’b1

en_phase3 Clkout[3] Phase Shift Enable.

0: Disable phase_inc[3] input.

1: Enable phase_inc[3] input.

1’b0,1’b1 1’b1

static_phase0 Clkout[0] VCO Static Phase Offset. The offset of the clk-

out[0] VCO output in 1/8 ths of the clkout[0] VCO

period.

3’h0-3’h7 3’h0

static_phase1 Clkout[1] VCO Static Phase Offset. The offset of the clk-

out[1] VCO output in 1/8 ths of the clkout[1] VCO

period.

3’h0-3’h7 3’h0

static_phase2 Clkout[2] VCO Static Phase Offset. The offset of the clk-

out[2] VCO output in 1/8 ths of the clkout[2] VCO

period.

3’h0-3’h7 3’h0

static_phase3 Clkout[3] VCO Static Phase Offset. The offset of the clk-

out[3] VCO output in 1/8 ths of the clkout[3] VCO

period.

3’h0-3’h7 3’h0

dyn_phase0 Clkout[0] Dynamic Phase Shift Select. If en_phase0 is

enabled,

0: Clkout[0] phase shift determined by static_phase0

parameter.

1: Clkout[0] phase shift determined from the

number of phase_inc[0] rising edges.

1’b0,1’b1 1’b0

Parameter Description Defined Values

Default

Value

1 2 ... 203 204 205 206 207 208 209 210 211 212 213 ... 223 224

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