User's Manual

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October 14, 2003 6881094C31-C

7-18 Troubleshooting Tables: List of Board and IC Signals

Table 7-8. U301 Flipper IC Pinouts

U301

Pin No.

Description To/From Comment

Accessible

on Vocon?

E7 RXDIN_ENC_3V R308 Yes

D5 TXDO_BDI_5V R329* 5 V RS232

Data Out

Yes

C7 RXDIN_5V R328* 5 V RS232

Data In

Yes

A8 RTS D303 pin 3 Request to

Send (RS232)

Yes

D7 CTS R303 Clear to Send

(RS232)

Yes

H8 CTS_FILLREQ_3V R306** Yes

H3 16.8 MHz C307* 16.8 MHz

Clock

Yes

H6 13 MHz R302

R331*

13 MHz Clock

(OUT)

Yes

H5 PLL_LFT C302* PLL Loop

Filter

Yes

F4 CODEC_DCLK R405 520 kHz Yes

E5 CODEC_FSYNC R406 8 kHz Pulse Yes

G4 UCM_SS J701 pin 28 Yes

G2 V2 C304* 3.0 V Yes

F1 V2 C317* 3.0 V Yes

F3 VSS3_DC GROUND Yes

F2 VSS3_AC GROUND Yes

D8 VCC5 C305* 5.0 V Yes

C8 VSS5 GROUND Yes

A7 LI_CELL C312* 3.0-3.3 V Yes

C6 VSS3_XTL GROUND Yes

A4 UART_TX NC No

C4 UART_RX NC No

G3 ONE_WIRE_UP No

G7 KVL_USB_DET No

G1 ONE_WIRE_EN* No

B5 BSY_IN_RTS No

C5 BSY_OUT_CTS No

E4 UCTS1_USB_SPEED* No

C1 USB_TXENAB No