Texas Instruments TUSB1142 User Manual page 4

Hardware Configuration
Jumper Default Position
JMP5
JMP6
JMP7
JMP8
JMP9
JMP10
JMP11
JMP12
JMP13
JMP14
JMP15
JMP16
JMP17
JMP18
JMP19
JMP20
4 TUSB1142 EVM User's Guide
Table 2-2. Jumpers (continued)
Short 1 to 2 AEQENZ/SDA.
If TUSB1142 is configured for I2C mode (MODE pin (JMP13)) is floating, then jumper is
data for local I2C.
If TUSB1142 is configured for pin-strap mode, then jumper selects whether AEQ is
enabled or not.
• Short 1 to 2: AEQ disabled.
• Short 3 to 4: AEQ enabled.
Open SSEQ1/A1.
If TUSB1142 is configured for I2C mode (MODE pin (JMP13)) is floating, then this jumper
along with JMP6 will select the 7-bit I2C target address. Refer to TUSB1142 data sheet
for details on available I2C target address options.
If TUSB1142 is configured for pin-strap mode, then this jumper along with JMP6 selects
EQ settings for SSTX receivers. Refer to TUSB1142 data sheet for details on EQ settings.
Open SSEQ0/A0.
If TUSB1142 is configured for I2C mode (MODE pin (JMP13)) is floating, then this jumper
along with JMP5 will select the 7-bit I2C target address. Refer to TUSB1142 data sheet
for details on available I2C target address options.
If TUSB1142 is configured for pin-strap mode, then this jumper along with JMP5 selects
EQ settings for SSTX receivers. Refer to TUSB1142 data sheet for details on EQ settings.
Open EQCFG.
If TUSB1142 is configured for I2C mode (MODE pin (JMP13)) is floating, then this jumper
must be left floating for normal operation.
If TUSB1142 is configured for pin-strap mode, then this jumper will select EQ options for
SSTX receiver and CRX receivers. Refer to TUSB1142 data sheet for details.
Open AEQCFG.
Selects upper limit for AEQ. Refer to TUSB1142 data sheet for details.
Open CEQ1.
If TUSB1142 is configured for pin-strap mode, then this jumper along with JMP10 selects
EQ settings for CRX receivers. Refer to TUSB1142 data sheet for details on EQ settings.
Open CEQ0.
If TUSB1142 is configured for pin-strap mode, then this jumper along with JMP10 selects
EQ settings for CRX receivers. Refer to TUSB1142 data sheet for details on EQ settings.
Short 1 to 2 MODE.
Selects between pin-strap and I2C mode. The default is pin-strap mode.
• Short 1 to 2: Pin-strap mode
• Open: I2C mode.
Open VIO_SEL.
Selects whether local I2C interface is at 1.8 V or 3.3 V signalling levels. The default is 3.3
V. Short pins 1 and 2 to select 1.8 V.
Open SLP_S0#.
Short 3 to 4 EN.
The EN will enable or disable the TUSB1142.
By default this jumper is configured for confrim from U2
TPS25820 CHG pin.
Open
Used to select between standard USB or 1.5-A Type-C current sourcing ability.
TPS25820 Faultz pin.
Open
Used to montior fualt condition on USB Type-C receptacle VBUS.
TPS25820 EN pin.
Open
Logic input to turn TPS25820 (U2) device on and off
Open Power for TUSB1142.
Selects whether TUSB1142 is powered from VBUS or 5 V barrel jack. The default is
power from USB VBUS. Shorting between position 1 and 2 will select the 5 V barrel jack.
Open The local I2C voltage pull-up option. The default is local I2C pull-ups are connected to
TUSB1142's 3.3 V VCC supply. Removing R47 allows for feeding external DC supply for
local I2C.
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SLLU350 – APRIL 2022
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