Texas Instruments Computer Accessories TUSB3410 User Manual

TUSB3410 GeneralĆPurpose  
Input/Output Evaluation  
Board  
User’s Guide  
September 2002  
Universal Serial Bus Products  
SLLU041  
 
EVM IMPORTANT NOTICE  
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:  
This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION  
PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided  
may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective  
considerations, including product safety measures typically found in the end product incorporating the goods.  
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic  
compatibility and therefore may not meet the technical requirements of the directive.  
Should this evaluation kit not meet the specifications indicated in the EVM Users Guide, the kit may be returned  
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE  
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,  
IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY  
PARTICULAR PURPOSE.  
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user  
indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products  
received may not be regulatory compliant or agency certified (FCC, UL, CE, etc.). Due to the open construction  
oftheproduct, itistheusersresponsibilitytotakeanyandallappropriateprecautionswithregardtoelectrostatic  
discharge.  
EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE  
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.  
TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not  
exclusive.  
TI assumes no liability for applications assistance, customer product design, software performance, or  
infringement of patents or services described herein.  
Please read the EVM Users Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM  
UsersGuidepriortohandlingtheproduct. Thisnoticecontainsimportantsafetyinformationabouttemperatures  
and voltages. For further safety concerns, please contact the TI application engineer.  
Persons handling the product must have electronics training and observe good laboratory practice standards.  
No license is granted under any patent right or other intellectual property right of TI covering or relating to any  
machine, process, or combination in which such TI products or services might be or are used.  
Mailing Address:  
Texas Instruments  
Post Office Box 655303  
Dallas, Texas 75265  
Copyright 2002, Texas Instruments Incorporated  
 
EVM WARNINGS AND RESTRICTIONS  
It is important to operate this EVM within the input voltage range of 4.75 V and the output  
voltage range of 4.75 V and 5.25 V.  
Exceeding the specified input range may cause unexpected operation and/or irreversible  
damage to the EVM. If there are questions concerning the input range, please contact a TI  
field representative prior to connecting the input power.  
Applyingloadsoutsideofthespecifiedoutputrangemayresultinunintendedoperationand/or  
possible permanent damage to the EVM. Please consult the EVM Users Guide prior to  
connecting any load to the EVM output. If there is uncertainty as to the load specification,  
please contact a TI field representative.  
During normal operation, some circuit components may have case temperatures greater than  
50°C. The EVM is designed to operate properly with certain components above 60°C as long  
as the input and output ranges are maintained. These components include but are not limited  
tolinearregulators, switchingtransistors, passtransistors, andcurrentsenseresistors. These  
types of devices can be identified using the EVM schematic located in the EVM Users Guide.  
When placing measurement probes near these devices during operation, please be aware  
that these devices may be very warm to the touch.  
Mailing Address:  
Texas Instruments  
Post Office Box 655303  
Dallas, Texas 75265  
Copyright 2002, Texas Instruments Incorporated  
 
Preface  
Read This First  
About This Manual  
ThisusersguidedescribesthesetupandoperationoftheTUSB3410general-  
purpose input/output evaluation board. Familiarity with the universal serial bus  
(USB) protocol and common lab testing equipment is required, and is as-  
sumed throughout this users guide.  
How to Use This Manual  
This document contains the following chapters:  
- Chapter 1Required Hardware and Software  
- Chapter 2EVM Operation  
- Chapter 3Bill of Materials and EVM Layouts  
- Appendix ATUSB3410 GPIO EVM Schematic Diagram  
Related Documentation From Texas Instruments  
TUSB3410USBtoSerialPortControllerdatamanual LiteratureNo. SLLS519  
FCC Warning  
Thisequipmentisintendedforuseinalaboratorytestenvironmentonly. Itgen-  
erates, uses, and can radiate radio frequency energy and has not been tested  
for compliance with the limits of computing devices pursuant to subpart J of  
part 15 of FCC rules, which are designed to provide reasonable protection  
against radio frequency interference. Operation of this equipment in other en-  
vironments may cause interference with radio communications, in which case  
the user at his own expense will be required to take whatever measures may  
be required to correct this interference.  
v
 
vi  
 
Contents  
1
2
Required Hardware and Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
1.1  
1.2  
Hardware Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2  
Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3  
EVM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1  
2.1  
2.2  
2.3  
2.4  
2.5  
2.6  
2.7  
TUSB3410 EVM Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
Interfaces and USB Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
Light Emitting Diodes (LEDs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3  
EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3  
3
4
Bill of Materials and EVM Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1  
3.1  
3.2  
Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2  
EVM Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3  
TUSB3410 GPIO EVM Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1  
Figures  
11  
12  
31  
32  
TUSB3410 Evaluation Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2  
TUSB3410 GPIO Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3  
Top Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3  
Bottom Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3  
Tables  
21  
22  
23  
Button Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
LED Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
Jumper Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3  
vii  
 
viii  
 
Chapter 1  
Required Hardware and Software  
The TUSB3410 general-purpose input-output EVM was designed for use with  
a personal computer running a USB-enabled operating system. The PC  
should be USB 1.1 or USB 2.0 spec compliant. This implies the BIOS, chip-  
sets, and operating system are all spec compliant. If the BIOS is not spec com-  
pliant, the system may not boot when USB devices are connected at power  
up and the EVM may not function. Note that the EVM can only function in the  
bus-powered mode.  
Topic  
Page  
1.1 Hardware Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2  
1.2 Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3  
1-1  
 
Hardware Items  
1.1 Hardware Items  
The TUSB3410 EVM is shown in Figure 1, together with typical  
representations of the hardware items required for its use.  
Figure 11. TUSB3410 Evaluation Hardware  
PC  
USB Cable  
Serial Cable  
USB EVM  
1-2  
 
Hardware Overview  
1.2 Hardware Overview  
The TUSB3410 GPIO EVM hardware platform is 4,3 cm × 6,8 cm in width ×  
length. Throughoutthisdocument, textinsideofparentheses(ex.)isreference  
designators found on the TUSB3210 EVM. See Figure 12 for a reference  
picture of the EVM. First, all jumpers are installed with the factory settings. See  
Table 23 for a description of jumper settings and make any required changes  
before using the EVM. The TUSB3410 GPIO EVM is designed to allow great  
flexibility in evaluation while being very easy and practical to use. The EVM is  
2
designed to run using a 12-MHz crystal and an I C EEPROM. The EVM is set  
up for bus-powered operation using a 5-V to 3.3-V voltage regulator. The  
firmware installed at the factory in the EEPROM is special USB keyboard  
firmware, which makes it very easy for evaluation on any USB-enabled OS  
without the need for a device driver. The firmware installed is reference  
firmware and the source code is available for developers. The RS-232 port is  
available for monitoring 8052 MCU activity for debugging purposes. The  
RS-232 port requires a 1-to-1 cable, not a null-modem cable. Several test  
points have been added to the EVM for probing. An LED (D2) displays the  
suspend status of the TUSB3410 device. A USB cable should be plugged into  
a USB port on a PC or USB hub and connected to the TUSB3410 EVM type-B  
USB connector (U3).  
Figure 12. TUSB3410 GPIO Evaluation Board  
Required Hardware and Software  
1-3  
 
1-4  
 
Chapter 2  
EVM Operation  
This chapter provides information required for proper operation of the  
TUSB3410 GPIO EVM. This includes power and PC connection require-  
ments, as well as descriptions of important operating features of the board,  
such as switches, jumpers, and indicators.  
Topic  
Page  
2.1 TUSB3410 EVM Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
2.2 Interfaces and USB Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
2.3 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
2.4 Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
2.5 Light Emitting Diodes (LEDs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
2.6 Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3  
2.7 EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3  
2-1  
 
TUSB3410 EVM Setup  
2.1 TUSB3410 EVM Setup  
The TUSB3410 general-purpose EVM is designed to support many USB  
applications. The EVM comes in a default configuration that requires no  
additional components on the EVM. A full description of the TUSB3410 device  
is specified in the data manual. The PC must be running a USB-capable  
operating system. Configure the EVM if required, based on desired settings  
specified later in this section. Use a standard USB cable to connect the  
TUSB3410 EVM to a downstream port of the PC or a USB hub tier.  
2.2 Interfaces and USB Ports  
2
The EVM uses a standard type-B connector for the upstream port. An I C  
2
serial interface is provided to access an I C EEPROM. A UART port is  
embedded in the microcontroller and is connected to the RS-232 port on the  
EVM. The RS-232 port connection can not be disabled by using the jumpers.  
See jumper settings for more details. There are four buttons and four LEDs on  
the EVM that can be used as general-purpose inputs and outputs to evaluate  
how the system works.  
2.3 Power Supply  
2.4 Buttons  
The TUSB3410 EVM uses USB bus power as its power supply.  
Table 21.Button Description  
Button  
SW1  
SW2  
SW3  
SW4  
SW5  
SW6  
Button Description  
System reset  
Wakes up system if system is in suspend mode  
General-purpose input, pulls P3.0 low if pressed  
General-purpose input, pulls P3.1 low if pressed  
General-purpose input, pulls P3.4 low if pressed  
General-purpose input, pulls P3.3 low if pressed  
2.5 Light Emitting Diodes (LEDs)  
Table 22.LED Description  
LED  
LED Description  
D2  
LED on indicates that the EVM is suspended  
LED off indicates that EVM is not suspended  
D3  
D4  
D5  
D6  
General-purpose output, indicates status of P3.0 (RXD)  
General-purpose output, indicates status of P3.1 (TXD)  
General-purpose output, indicates status of P3.4  
General-purpose output, indicates status of P3.3  
2-2  
 
Jumpers  
2.6 Jumpers  
Table 23 is provided to help set up and configure the EVM platform jumpers  
for the desired mode of operation. The EVM can download firmware code from  
the PC through a loading program (may or may not be supplied with your EVM)  
2
or from an I C EEPROM. JP2 and JP3 are used to connect P3.0 and P3.1 to  
2
D3 and D4 respectively. JP4 is for separating the SCL pin of the I C EEPROM  
from SCL of the TUSB3410.  
Table 23.Jumper Description  
Jumper  
JP1  
Jumper Description  
Installed: connect suspend LED to SUSP pin of TUSB3410  
Installed: connect LED D4 and SW4 to P3.1 (GPIO_TXD)  
Installed: connect LED D3 and SW3 to P3.0 (GPIO_RXD)  
JP2  
JP3  
2
JP4  
Installed: connect SCL of I C EEPROM to SCL of TUSB3410 for normal operation  
2
Uninstalled: downloads firmware from USB instead of I C EEPROM  
2.7 EEPROM  
2
The I C EEPROM is used to provide application-specific firmware. The  
2
TUSB3410 automatically reads the EEPROM at power up via the I C bus. A  
header must be added to the application firmware before loading it into the  
EEPROM. See the TUSB3410 data manual for a description of the header  
2
definition. The header can be generated automatically using the I C  
header-generation utility software provided with the device.  
The EVM ships with a preprogrammed EEPROM that has keyboard controller  
firmware. It enumerates properly when connected to a USB host.  
EVM Operation  
2-3  
 
2-4  
 
Chapter 3  
Bill of Materials and EVM Layouts  
This chapter describes the bill of materials and EVM layouts for the TUSB3410  
EVM.  
Topic  
Page  
3.1 Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2  
3.2 EVM Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3  
3-1  
 
Bill of Materials  
3.1 Bill of Materials  
Item Qty. Reference  
Part  
Part Number  
PCB Footprint  
DB9-HF  
1
2
3
4
1
2
1
8
CN2  
Connector-DB9  
1 µF  
747250-4  
C21, C1  
C2012X7R1C105M  
C3216X7R1C475M  
C1608X7R1H104K  
SMT_0805  
SMT_1206  
SMT_0603  
C2  
4.7 µF  
C3, C6, C8, C10, C49, C50,  
0.1 µF  
C51, C52  
5
2
7
2
2
1
5
1
4
1
1
1
2
8
C4,C5  
0.01 µF  
0.001 µF  
22 pF  
C1608X7R1H103K  
C1608X7R1H102K  
C1608C0G1H220J  
C1608C0G1H330J  
BAS21ZXCT-ND  
160-1421-1-ND  
SMT_0603  
SMT_0603  
SMT_0603  
SMT_0603  
SOT23-DIODE  
SMT_0805  
MPZ2012  
6
C7, C9, C53, C54, C55, C56, C57  
7
C11, C12  
8
C20, C19  
33 pF  
9
D1  
SOT-23-diode  
LED  
10  
11  
12  
13  
14  
15  
16  
17  
D2, D3, D4, D5, D6  
F2  
TDK MPZ2012S331A  
Jumper  
90.9 kΩ  
100 kΩ  
MPZ2012S331A  
JP1, JP2, JP3, JP4  
HDR1X2  
R1  
P100KCCT-ND  
P100KCCT-ND  
P1.50KCCT-ND  
P33.2CCT-ND  
P1.00KCCT-ND  
SMT_0603  
SMT_0603  
SMT_0603  
SMT_0603  
SMT_0603  
R2  
R3  
1.5 kΩ  
R4, R5  
33 Ω  
R9, R10, R14, R15, R16, R17,  
1 kΩ  
R18, R19  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
1
1
1
1
1
6
2
2
5
1
1
1
1
1
1
R11  
32 kΩ  
P32.4KCCT-ND  
P10.0KCCT-ND  
P15.0KCCT-ND  
P1.50KCCT-ND  
P10.0KCCT-ND  
7914G-1-000E  
HDR1X1  
SMT_0603  
SMT_0603  
SMT_0603  
SMT_0603  
SMT_0603  
MOM-SW  
TP52  
R12  
10 kΩ  
R13  
15 kΩ  
R20  
5 kΩ  
R21  
5 kΩ  
SW1, SW2, SW3, SW4, SW5, SW6  
Switch  
TP5, TP6  
T point R  
TP7,TP8  
Test point  
Test point, small  
TUSB3410  
TPS76933  
Type B USB-shield  
8-pin socket for 24LCxx  
MAX3221E  
TP52  
TP9, TP10, TP11, TP12, TP13  
TP52  
U1  
U2  
U3  
U5  
U6  
Y1  
TUSB3410  
TPS76933DBVT  
AE1085-ND  
A400-ND  
LQFP-32  
SOT-5P  
4P-B-RECEP  
DIP8_SKT  
MAX3221E  
CRYSTEK  
MAX322E T.I.  
P-16695  
12-MHz crystal  
HC49SMD  
3-2  
 
EVM Layouts  
3.2 EVM Layouts  
Figure 31. Top Layer  
Figure 32. Bottom Layer  
Bill of Materials and EVM Layouts  
3-3  
 
3-4  
 
Appendix A  
TUSB3410 GPIO EVM Schematic Diagram  
A-1  
 
A-2  
 
5
4
3
2
1
TUSB 3410 BLOCK DIAGRAM  
+3V3  
LDO  
+3V3  
LED  
Push Button  
+1V8  
U6  
2
3
7
C1+  
V+  
V-  
GPIO  
C51  
0.1uF  
C49  
0.1uF  
CN2  
4
5
C1-  
GND  
CRYSTAL  
+3V3  
C50  
10  
D
C
B
A
D
C
B
A
0.1uF  
C2+  
C52  
TP7  
1
6
2
7
4
8
3
9
5
R14 0.1uF  
1K  
6
C2-  
TX  
13  
8
T1OUT  
R1IN  
VDD18  
TP8  
1
10  
12  
14  
EN  
TUSB3410  
32-Pin LQFP  
D+  
D-  
INVALID  
FORCEON  
GND  
RX  
USB Full  
Speed  
+3V3  
GND  
GND  
I2C  
GPIO2_TXD  
GPIO1_RXD  
R16  
1K  
11  
9
Serial  
Debug  
Port  
T1IN  
R1OUT  
LED  
11  
MAX3221E  
Connector-DB9  
Push Button  
Receptacle  
D4  
I2C  
EPROM  
Isolate TXD LED during Serial Debug  
P3_1  
JP2  
GPIO  
GPIO2_TXD  
1
2
C55  
0.001uF  
SW4  
+3V3  
TP11  
+5V  
+3V3  
Voltage Divider Network  
U2  
R1  
R2  
+3V3  
1
5
4
IN  
OUT  
90.9k  
100k  
3
EN  
C1  
1uF  
+3V3  
+3V3  
+3V3  
+1V8  
+1V8  
+3V3  
R17  
1K  
2
GND NC/FB  
TPS76933  
C2  
ESR=0.2ohm  
+1V8  
C3  
C4  
C5  
0.01uF  
C6  
0.1uF  
0.1uF  
0.01uF  
4.7uF  
D3  
GND  
Isolate RXD LED during Serial Debug  
P3_0  
JP3  
+1V8  
+3V3  
GPIO1_RXD  
1
2
C10  
0.1uF  
C7  
0.001uF  
C8  
C9  
0.001uF  
0.1uF  
Type B USB-Shield  
SW3  
+5V  
DM  
U1  
C54  
0.001uF  
6
1
R3 1.5K  
2
3
4
R4  
C11  
22pF  
5
6
7
PUR  
DP0  
DM0  
DP0  
DM0  
33  
R5  
33  
DP  
5
GND  
C12  
22pF  
+3V3  
+3V3  
U3  
EARTHGND  
F2  
1
R20  
5K  
2
1
2
R19  
1K  
TDK MPZ2012S331A  
GPIO4  
TP12  
23  
24  
TEST0  
TEST1  
D5  
TP10  
+3V3  
+3V3  
P3_4  
X2  
X1  
26  
27  
X2  
TP9  
GPIO4  
33pF  
C19  
Y1  
R21  
5K  
21  
DTR  
RTS  
R9  
1K  
R10  
1K  
C56  
0.001uF  
20  
19  
17  
16  
15  
14  
13  
33pF C20  
SW5  
X1/CLKI  
SOUT/IR_SOUT  
SIN/IR_SIN  
RI/CP  
SIN  
RI  
/DCD  
/DSR  
/CTS  
U5  
12 MHz Crystal HC49SMD  
1
2
3
4
8
7
6
5
+3V3  
A0 Vcc  
A1 WP  
A2 SCL  
Vss SDA  
DCD  
DSR  
CTS  
JP4  
SCL  
SDA  
2
1
11  
10  
SCL  
SDA  
R18  
1K  
8pin Socket for 24LCxx  
TP5  
GPIO1_RXD  
GPIO2_TXD  
GPIO3  
32  
31  
30  
29  
1
P3_0  
GPIO3  
TP13  
TP6  
CLK_OUT  
22  
P3_1  
CLKOUT  
D6  
P3_3  
GPIO4  
P3_3  
P3_4  
R11  
+3V3  
ENn  
GPIO3  
VREGEN  
3
1
32K  
C57  
0.001uF  
D1  
R12  
10K  
SW6  
SUSP  
+3V3  
2
9
SUSP  
WAKEUP  
12  
/RW  
C53  
0.001uF  
WAKEUP  
RSTIn  
RESET  
SUSP  
SW2  
/RW  
R13  
15K  
TUSB3410  
JP1  
C21  
1uF  
SW1  
D2  
R15  
1K  
SUSPEND  
TUSB 3410 GPIO  
06/18/02  
SIZE  
DWG NO:  
C
Thursday  
1
,
June 20, 2002  
SCALE: NONE  
Sheet  
1
of  
1
5
4
3
2
 

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