ES9080 datasheet(112/146 Pages) ESS

112 / 146 page

CONFIDENTIAL ADVANCE INFORMATION 0.4.3

ES9080 Product Datasheet

ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM

112

Bits

[7:3]

[2]

[1]

[0]

Default

5'd0

1'b0

Bits

Mnemonic

Description

[7:3]

RESERVED

[2]

AUTO_LOCK_EN

Allows PLL to relock when PLL lock is lost and there are 256

valid PLL input clock cycles.

•

1’b0: Disabled (default)

•

1’b1: Enabled

[1:0]

RESERVED

Bits

[7:5]

[4:3]

[2]

[1]

[0]

Default

3'd0

2'd0

1'b0

Bits

Mnemonic

Description

[7:5]

PLL_CP_BIAS_SEL

Sets the Charge Pump Bias current value:

•

3b'011:4u (optimum setting, for normal operation)

[4:3]

PLL_ID_SEL

Sets the PLL Internal Delay:

•

2b'11:1.5nS (optimum setting, for normal

operation)

Note: Fixed to 1.5nS, no other possible cases

[2]

PLL_VCO_FMAX

Disables the PLL VCO’s FMAX-limiting

•

1’b0: Limit is set (default)

•

1’b1: No limit (for normal operation)

[1]

PLL_VCO_PDB

Enables/disables the PLL voltage-controlled oscillator (VCO).

•

1'b0: Disabled (default)

•

1'b1: Enabled

[0]

PLL_CP_PDB

Enables/disables the PLL charge pump.

•

1'b0: Disabled (default)

•

1'b1: Enabled

ES9080 Datasheet(PDF) 112 Page - ESS Technology,Inc

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