ES9027SPRO datasheet(59/89 Pages) ESS

59 / 89 page

ES9027PRO Datasheet

VERSION 0.4.1

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

Bits

[15]

[14:9]

[8:6]

[5]

[4]

[3]

[2]

[1]

[0]

Default

1'b0

6'd0

3'd0

1'b0

1'b1

Bits

Mnemonic

Description

[15]

GPIO_DAC_MODE

When any GPIOx_CFG = 6 (input system mode control):

•

1'b0: Power down when GPIO input is 1

•

1'b1: HIFI when GPIO input is 1 (when GPIO input is 0, system mode

is determined by register DAC_MODE_REG (register 0, bit[1]))

[14:9]

RESERVED

[8:6]

GPIO_SEL

When GPIOx_CFG = 12, 13 or 14, and the corresponding GPIO_AND and

GPIO_OR are not set:

•

3'd0: Outputs status/flag from ch1

•

3'd1: Outputs status/flag from ch2

•

3'd2: Outputs status/flag from ch3

•

3'd3: Outputs status/flag from ch4

•

3'd4: Outputs status/flag from ch5

•

3'd5: Outputs status/flag from ch6

•

3'd6: Outputs status/flag from ch7

•

3'd7: Outputs status/flag from ch8

[5]

GPIO_OR_SS_RAMP

When GPIOx_CFG = 14 (output soft ramp done flag):

•

1'b0: The soft ramp done flag is determined by

GPIO_AND_SS_RAMP and GPIO_SEL (default)

•

1'b1: The soft ramp done flag is the "OR" of all 8ch soft ramp done

flags

[4]

GPIO_OR_VOL_MIN

When GPIOx_CFG = 12 (output vol_min flag):

•

1'b0: The vol_min flag is determined by GPIO_AND_VOL_MIN and

GPIO_SEL (default)

•

1'b1: The vol_min flag is the "OR" of all 8ch vol_min flags

[3]

GPIO_OR_AUTOMUTE

When GPIOx_CFG = 13 (output automute status):

•

1'b0: The automute status is determined by

GPIO_AND_AUTOMUTE and GPIO_SEL (default)

•

1'b1: The automute status is the "OR" of all 8ch automute status

[2]

GPIO_AND_SS_RAMP

When GPIOx_CFG = 14 (output soft ramp done flag) and

GPIO_OR_SS_RAMP is not set:

•

1'b0: The soft ramp done flag is from a single channel selected by

GPIO_SEL

•

1'b1: The soft ramp done flag is the "AND" of all 8ch soft ramp done

flags (default)

[1]

GPIO_AND_VOL_MIN

When GPIOx_CFG = 12 (output vol_min flag) and GPIO_OR_VOL_MIN is

not set:

•

1'b0: The vol_min flag is from a single channel selected by

GPIO_SEL

•

1'b1: The vol_min flag is the "AND" of all 8ch vol_min flags (default)

[0]

GPIO_AND_AUTOMUTE

When GPIOx_CFG = 13 (output automute status) and

GPIO_OR_AUTOMUTE is not set:

•

1'b0: The automute status is from a single channel selected by

GPIO_SEL

•

1'b1: The automute status is the "AND" of all 8ch automute status

(default)

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