M21245 datasheet(13/50 Pages) MA-COM

13 / 50 page

Pinout Diagram, Pin Description, and Package Drawing

21245-DSH-001-H

Mindspeed Technologies

Mindspeed Proprietary and Confidential

MF0

CMOS Control

Input

Four-wire serial control mode: Serial clock input (SCLK)

Two-wire serial control mode: Clock input from master host (SCL)

Hardware mode: Unused

MF1

CMOS Control

Input

Four-wire serial control mode: Serial data output (SO)

Two-wire serial control mode: Serial data I/O (SDA)

Hardware mode: Unused

MF2

CMOS Control

Input

Four-wire serial control mode: Serial data in (SI)

Two-wire serial control mode: Address bit 0 (ADD0)

Hardware mode: Input trace equalization control for all SDI inputs (IE_CTRL)

H = Large Input EQ

F = Medium Input EQ

L = Input EQ disabled

MF3

CMOS Control

Input

Four-wire serial control mode: Active low chip select (xCS)

Two-wire serial control mode: Address bit 1 (ADD1)

Hardware mode: Output de-emphasis (DE) control for SDO outputs (DE_CTRL)

H = Large Output DE

F = Medium Output DE

L = DE disabled

MF4

CMOS Control

Input

Four-wire serial control mode: Not used. Tie to DVDDIO or leave floating

Two-wire serial control mode: Address bit 2 (ADD2)

Hardware mode: Reclocker bypass control (RC_BYPASS)

L/F = Normal operation, reclocker not bypassed

H = Reclocker bypassed

MF5

CMOS Control

Input

Four-wire serial control mode: Not used. Tie to AVSS or leave floating

Two-wire serial control mode: Address bit 3 (ADD3)

Hardware mode: SDO disable control for all outputs (SDO_DIS)

H = SDO disabled output logic high

L/F = SDO enabled

Reserved

Do not connect

Table 3-1.

M21245 Pin Description

Pin Name

Pin Number(s)

Type

Description

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