Texas Instruments TLV320AIC3111 EVM, User Manual

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3 EVM Hardware
3.1 Connectors and Jumpers
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EVM Hardware
This chapter contains information about the EVM Hardware (switches, jumpers, schematics).
Table 1. Analog I/O
Connector Function
J6 1 MIC1LP
2 AGND
3 MIC1LM or MIC1RP
J7 Microphone
J8 1 SPLM (Speaker)
2 AGND
3 SPLP (Speaker)
J9 1 SPRM (Speaker)
2 AGND
3 SPRP (Speaker)
J10 1 HPL
2 AGND
3 HPR
J11 1 SPRM (Speaker Filtered)
2 AGND
3 SPRP (Speaker Filtered)
J12 1 BATT.SVDD
2 AGND
J13 1 HPL (Headphone)
2 AGND
3 HP (Headphone)
J14 Headset
J15 Headphone Filtered
Table 2. Jumpers
Jumper Function Positions Default
W1 MIC bias select 1-2: 3.3V 1-2: 3.3V
2-3: EVM
W2, W3 On-board MIC 1-2: add MIC populated
W4 MIC bias to MIC1RP 1-2: connect populated
W5 MIC bias to MIC1LP 1-2:connect populated
W6 MIC bias to MIC1RP 1-2: 1.0k populated
load
Removed: 2.2k
W7 J7 MIC bias select 1-2: MIC1RP 1-2: MIC1RP
2-3: MIC1LM
W8 MIC1LM termination 1-2: AC to AGND 1-2: AC to AGND
2-3: 1.0k to AGND
W9 VOL/HED_DET select 1-2: VOL 1-2: VOL
2-3: HED_DET
W10 AVDD current wire 1-2: connected populated (remove
loop to measure current)
SLAU285 – July 2009 TLV320AIC3111 EVM 17
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