Motorola SSETM 5000 User Manual

Page 146

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November 11, 2004

6881094C12-A

10-12

Troubleshooting Tables: List of Board and IC Signals

D9

GROUND

GROUND

Yes

C8

GROUND

GROUND

Yes

B5

GROUND

GROUND

Yes

C2

GROUND

GROUND

Yes

C1

GROUND

GROUND

Yes

H3

GROUND

GROUND

Yes

K15

GROUND

GROUND

Yes

T8

GROUND

GROUND

Yes

H15

GROUND

GROUND

Yes

C9

GROUND

GROUND

Yes

B6

ABACUS_CS*

R126

Active Low

Yes

E2

UNI_SEL*

R131

Active Low

Yes

D2

FLPR_CS*

Active Low

No

E3

GCAP_CE

R539

Active High

Yes

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

Table 10-7. U401 MCU/DSP IC Pinouts (Continued)

U401

Pin No.

Description

To/From

Comment

Accessible

on Vocon?

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