WM8281ECSSLASHR datasheet(11/392 Pages) CIRRUS

部件名	WM8281ECS/R

功能描述	Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation

PDF	392 Pages

Scroll/Zoom	100%

制造商	CIRRUS [Cirrus Logic]

网页	http://www.cirrus.com

标志

11 / 392 page

WM8281

Rev 4.0

PIN NO

NAME

TYPE

DESCRIPTION

TDI

Digital Input

JTAG data input.

Internal pull-down holds this pin at logic 0 for normal operation.

K11

TDO

Digital Output

JTAG data output

TMS

Digital Input

JTAG mode select input.

Internal pull-down holds this pin at logic 0 for normal operation.

TRST

Digital Input

JTAG Test Access Port reset (active low).

Internal pull-down holds this pin at logic 0 for normal operation.

VREFC

Analogue Output

Bandgap reference external components connection

B10, C8, C9,

C10, C11,

D8, D9, D10,

D11, F4, G1,

G2, G3, G4,

H3, J1, J2,

J3, J4, J5, J6

n/a

No Connection

Note: Separate P/N ground connections are provided for each speaker driver channel; this provides flexible support for current

monitoring and output protection circuits. If this option is not used, then the respective ground connections should be tied together on

the PCB.

WM8281ECS/R 数据表(PDF) 11 Page - Cirrus Logic

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WM8281ECS/R 数据表(PDF) 11 Page - Cirrus Logic

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