10-12Troubleshooting Tables: List of Board and IC Signals

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

U401

Description

To/From

Comment

Accessible

Pin No.

on Vocon?

 

 

 

 

 

 

 

 

 

 

 

 

 

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

Yes

 

 

 

Rx Audio Data

 

 

 

 

 

 

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

Yes

 

 

 

DSP to A/D

 

 

 

 

 

 

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

 

 

 

 

 

November 11, 2004

6881094C12-A

Page 146
Image 146
Motorola SSETM 5000 Abacuscs, Unisel, Flprcs, Gcapce, Sckb, Not Used Spimosib Mosib, Scka, Mosia, OPTSEL1OUT, Codecrx