Datasheet
MAX9259 Evaluation Kit
Evaluates: MAX9259
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Table 1. MAX9259 EV Kit Jumper Descriptions (continued)
JUMPER SIGNAL SHUNT POSITION DESCRIPTION
JU19
OUT+,
OUT-
Pads 2 and 4,
Pads 4 and 5,
Pads 5 and 7,
Pads 13 and 11,
Pads 11 and 10,
Pads 10 and 8
Path to connector J1 (Rosenberger D4S10A-40ML5)
Pads 2 and 4,
Pads 4 and 1,
Pads 1 and 10,
Pads 10 and 9,
Pads 13 and 12
Path to connector J4 (optional JAE MX38-FF or Nissei GT11L-2S)
Pads 2 and 3,
Pads 13 and 11,
Pads 11 and 1,
Pads 1 and 5,
Pads 5 and 6
Path to connector J5 (optional JAE MX49Z04NQ1)
Open Disconnect from J1, J4, J5; use SMA connector option J2/J3
JU21 AVDD
1-2* AVDD power from 1.8V LDO U2, powered by VIN
Open AVDD must be provided from an external source
JU22 DVDD
1-2* DVDD power from 1.8V LDO U2, powered by VIN
Open DVDD must be provided from an external source
JU23 IOVDD
1-2* IOVDD power from 1.8V LDO U2, powered by VIN
Open IOVDD must be provided from an external source
JU121 Reserved Not installed* Reserved for factory diagnostic tests
JU141 TX/SCL Not installed* Connects U1 to U12 through level translator U14
JU142 RX/SDA Not installed* Connects U1 to U12 through level translator U14
JU143 LFLT Not installed* Connects U1 to USB through level translator U14
JU144 INT Not installed* Connects U1 to USB through level translator U14
JU151 U15 AD2
1-2* Selects U15 I
2
C device address
2-3 Selects U15 I
2
C device address
Open Reserved for factory diagnostic tests
JU152 U15 AD0
1-2* Selects U15 I
2
C device address
2-3 Selects U15 I
2
C device address
Open Reserved for factory diagnostic tests
JU153 U15 SDA
1-2*
Connects U15 MAX7324 to I
2
C bus; MS must be low (SW1) and CDS must
be high (JU1 = 1-2 on both boards)
Open Disconnects U15 MAX7324 from I
2
C bus; MS may be high (SW1)
JU154 U15 SCL
1-2*
Connects U15 MAX7324 to I
2
C bus; MS must be low (SW1) and CDS must
be high (JU1 = 1-2 on both boards)
Open Disconnects U15 MAX7324 from I
2
C bus; MS may be high (SW1)
JU191
AUDIO-
SCL
1-2* U12 sends I
2
C initialization commands to audio chip U20
Open Disconnects audio I
2
C bus pullup resistor