MAX9268 Evaluation Kit

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Table 1. MAX9268 EV Kit Jumper Descriptions (continued)

*Default position.

Table 2. Address-Select Jumpers (JU7, JU8)

*Device address is determined when power is applied.

JUMPER

SIGNAL

SHUNT POSITION

DESCRIPTION

JU203

I2S SD

1-2*

Open

JU204

I2S SCK

1-2*

Open

JU205

I2S WS

1-2*

Open

JU206

MCLK

1-2*

U20 MCLK = PLL_OUT_MCLK from 4x PLL U29

2-3

U20 MCLK = CNTL2/MCLK from U1

JU251

U25 SYNC

1-2*

Q

60kHz

1-3

1-4

TTL-compatible clock frequency

1-5

Open

Reserved

JU252

U25 SHDN

1-2*

U25 SHDN = high, enables speaker driver

2-3

U25 SHDN = low, disables speaker driver

Open

Reserved

JU253

U25 GAIN2

1-2*

JU253 and JU254 set the gain of U25

2-3

JU253 and JU254 set the gain of U25

Open

Reserved

JU254

U25 GAIN1

1-2*

JU253 and JU254 set the gain of U25

2-3

JU253 and JU254 set the gain of U25

Open

Reserved

JU255

U25 INL-

Not installed*

U25 input INL is ground referenced

Open

Reserved

JU256

U25 INR-

Not installed*

U25 input INR is ground referenced

Open

Reserved

JU7 SHUNT POSITION

ADD1

JU8 SHUNT POSITION

ADD0

MAX9268 ADDRESS

1-2

IOVDD

1-2

IOVDD

0xD4

1-3

Open

0xD8

1-4

GND

0xD0

1-3

Open

1-2

IOVDD

0x54

1-3

Open

0x58

1-4

GND

0x50

1-4*

GND

1-2

IOVDD

0x94

1-3

Open

0x98

1-4*

GND

0x90