User's Manual

Table Of Contents

6881094C31-C October 14, 2003

Troubleshooting Tables: List of Board and IC Signals 7-13

E4 SCKB SCKB SPI B Clock Yes

B1 NOT USED No

F4 NOT USED No

F5 SPI_MOSIB MOSIB SPI Data Out Yes

C7 SCKA SCKA SPI A Clock Yes

C6 MOSIA MOSIA SPI Data Out Yes

G10 NOT USED No

G16 OPT_SEL1_OUT U201, pin 3 Yes

J11 CODEC_RX R403 DSP to GCAP

Rx Audio Data

Yes

A12 RX_SSI_FSYNC R123 20 kHz pulse Yes

A11 RX_SSI_CLK R124 1.2 MHz Yes

E9 TX_SSI_DATA R127 Data From

DSP to A/D

Yes

C15 BSY_OUT_CTS* No

F12 UTXD2 U303, pin 1* Yes

D15 USB_SUSP No

E14 DISPLAY_R_W* D403, pin 3 W = 0 V Yes

D16 NOT USED No

G12 UCTS1_USB_SPEED* No

K11 UTXD1_USB_VPO No

K14 USB_VMO No

K13 USB_TX_EN No

D5 8 KHZ_INT R406 8 kHz Pulse Yes

H14 BL_EN C124 Yes

K4 LV_DETECT POR 3.0 V Yes

F9 NOT USED No

J2 NOT USED No

A6 16_8_MHZ C452* 16.8 MHz Yes

Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued)

U401

Pin No.

Description To/From Comment

Accessible

on Vocon?