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Maxim Integrated Products
19
MAX9264 Evaluation Kit
Evaluates: MAX9263/MAX9264
Table 1. MAX9264 EV Kit Jumper Descriptions (continued)
JUMPER
SIGNAL
SHUNT POSITION
DESCRIPTION
JU108
Reserved
Not installed*
Reserved for factory diagnostic tests.
JU121
Reserved
Not installed*
Reserved for factory diagnostic tests.
JU122
Reserved
Pin 1 only*
Reserved for factory diagnostic tests.
JU125
VSYNC
1-2*
Connects DOUT19/VS to U12 interrupt input to allow firmware to count
VSYNC edges when performing HDCP link check.
Open
Disconnects DOUT19/VS from U12 interrupt input.
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
1-2*
Connects U1 to USB through level translator U14.
JU144
INT
1-2*
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 low (JU1 = 2-3 on both boards).
Open
Disconnects U15 MAX7324 from I
2
C bus. MS can 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 low (JU1 = 2-3 on both boards).
Open
Disconnects U15 MAX7324 from I
2
C bus. MS can 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.
JU192
AUDIO_SDA
1-2*
U12 sends I
2
C initialization commands to audio chip U20.
Open
Disconnects audio I
2
C bus.
JU193
AUDIO_SCL
1-2*
U12 sends I
2
C initialization commands to audio chip U20.
Open
Disconnects audio I
2
C bus pullup resistor.
JU194
AUDIO_SDA
1-2*
U12 sends I
2
C initialization commands to audio chip U20.
Open
Disconnects audio I
2
C bus.
JU201
U20 ADD
1-2*
U20 ADD = GND. Selects U20 device address 0010 000x (0x20)
(on audio I
2
C bus).
3-4
U20 ADD = IOVDD. Selects U20 device address 0010 001x (0x22)
(on audio I
2
C bus).
5-6
U20 ADD = AUDIO_SDA. Selects U20 device address 0010 011x
(0x26) (on audio I
2
C bus).
Open
Reserved.
JU202
HPS
1-2*
U20 MAX9850 headphone sense controlled by the insertion of
headphones.
Open
U20 MAX9850 headphone sense switch forced open.
JU203
I
2
S SD
1-2*
U1 I
2
S audio drives U20 MAX9850 audio DAC.
Open
Disconnects I
2
S signals.
JU204
I
2
S SC
K
1-2*
U1 I
2
S audio drives U20 MAX9850 audio DAC.
Open
Disconnects I
2
S signals.