6881094C31-E November 16, 2006
Troubleshooting Tables: List of Board and IC Signals 7-23
J8 SIMI_O NC No
A1 AD5_VOLUME R526 0-2.5V Yes
B1 AGND3 GROUND Yes
C3 DWN_OUT NC No
C2 DWN_IN GROUND Yes
C1 CMP_OUT NC No
D3 DSC_INN GROUND Yes
D2 DSC_INP GROUND Yes
D1 SPI_CLK SCKB SPI Data
Clock
Yes
E4 SPI_DR MISOB SPI Data Read
From GCAP
Yes
E3 SPI_DW MOSIB SPI Data Write
To GCAP
Yes
E2 SR_VCCIN NC No
E1 SR_VCCOUT NC No
F3 SR_IN NC No
F2 SR_OUT NC No
F1 INTERRUPT R538 GCAP
Interrupt
Yes
F4 CE R539 Active High
GCAP Chip
EN
Yes
F5 CLK_IN R302
R331*
13 MHz Yes
E5 CODEC_DCLK R405 520 kHz
(NTN9564
NNTN4563
NNTN4819)
256 kHz
(NNTN4717)
Yes
G1 CODEC_TX R402 TX Audio Data
To DSP
Yes
G2 CODEC_RX R403 RX Audio Data
From DSP
Yes
G3 CODEC_FSYNC R406 8 kHz Frame
Sync
Yes
Table 7-9. U501 GCAP II IC Pinouts (Continued)
U501
Pin No.
Description To/From Comment
Accessible
on Vocon?
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