Maxim USBTO232 User Manual

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General Description
The USBTO232 is an adapter board that converts a
PC’s USB port into a standard COM port. A COM port is
also known as the standard serial port that uses
Recommended Standard 232 (RS-232).
The USBTO232 is included with selected Maxim EV kits
and EV systems that were originally designed for the
PC COM port and later updated to also support the
USB port. Data sheets for EV kits and EV systems that
can use the USBTO232 have been updated to reflect
compatibility and also provide ordering information.
Use of the USBTO232 in applications other than those
EV kits specified by Maxim is not supported.
Important: Before using the USBTO232, see the
Quick
Start
section of this data sheet to correctly install the
USB driver for the appropriate Windows
®
operating
system.
Features
USB Powered
USB Driver for Windows 98SE/2000/XP Operating
Systems
USB and I/O Power LED Indicators
Two GPIO LED Indicators
USB Cable Included
8-Pin Signal Header
Proven PCB Layout
Fully Assembled and Tested
USBTO232
USB-to-COM Port Adapter Board User Guide
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-0677; Rev 0; 11/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
+
Denotes lead-free and RoHS compliance.
PART
PC
INTERFACE
OPERATING SYSTEMS
SUPPORTED
USBTO232+ USB Windows 98SE/2000/XP
Component List
Windows is a registered trademark of Microsoft Corp.
DESIGNATION QTY DESCRIPTION
C1 1
0.01µF ±10%, 50V X7R ceramic
capacitor (0603)
TDK C1608X7R1H103K
C2, C3 2
47pF ±5%, 50V COG ceramic
capacitors (0603)
TDK C1608C0G1H470J
C4–C8, C11,
C12
7
0.1µF ±10%, 16V X7R ceramic
capacitors (0603)
TDK C1608X7R1C104K
C9 1
4.7µF ±10%, 6.3V X5R ceramic
capacitor (0603)
TDK C1608X5R0J475K
C10 1
1µF ±10%, 6.3V X5R ceramic
capacitor (0603)
TDK C1608X5R0J105K
D1 1
Red LED (0603)
Panasonic LNJ208R8ARA
D2 1
Green LED (0603)
Stanley Electric BG1111C-TR
Panasonic LNJ314G8TRA
FB1 1
40 @ 100MHz, 1.5A ferrite bead
(0805)
Steward MI0805K400R-10
H1 1 8-pin header
JU1, JU2, JU3 3 3-pin headers
DESIGNATION QTY DESCRIPTION
P1 1
USB type B right-angle female
receptacle connector
Assmann AU-Y1007-R
P2 1
Short DB9 right-angle male
receptacle connector (without
cable-locking screws)
R1, R2 2
270 ±5% resistors (0603)
(use lead-free parts only)
U1 1
USB-to-UART converter
FTDI FT232RL (28-pin SSOP)
U2 1 MAX213EEAI+ (28-pin SSOP)
3 Shunts
1 USBTO232+ PCB
1 USB high-speed A-to-B 6ft cable
Note: Indicate the Maxim EV kit that you are using when con-
tacting this component supplier.
SUPPLIER PHONE WEBSITE
TDK 847-803-6100 www.component.tdk.com
Component Supplier
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Summary of Contents

Page 1 - USBTO232

General DescriptionThe USBTO232 is an adapter board that converts aPC’s USB port into a standard COM port. A COM port isalso known as the standard ser

Page 2

USBTO2328) The next window is the Found New HardwareWizard | Complete window (Figure 8). Press theFinish button.9) When finished, return to step 8 of

Page 3

Windows 2000 USB Driver Installation1) Once the USBTO232 board is connected to the PCfor the first time in Windows 2000, a Found NewHardware window ap

Page 4

USBTO2322) A Found New Hardware Wizard | Welcome windowthen appears (Figure 10). Press the Next button.USB-to-COM Port Adapter Board User Guide12 ____

Page 5

3) At the Found New Hardware Wizard | InstallHardware Device Drivers window (Figure 11),choose Search for a suitable driver for my device(recommended)

Page 6

USBTO2324) The Found New Hardware Wizard | Locate DriverFiles window appears next (Figure 12). Check theSpecify a location checkbox and press the Next

Page 7

5) The next window is the Found New HardwareWizard | Path window (Figure 13). Press the Browse button and choose the path C:\ProgramFiles\MAXxxxxx. Pr

Page 8

USBTO2326) The Found New Hardware Wizard | Driver FilesSearch Results window is shown in Figure 14. Pressthe Next button after the wizard finds the dr

Page 9

7) At the Found New Hardware Wizard | Completewindow (Figure 15), press the Finish button.USBTO232USB-to-COM Port Adapter Board User Guide____________

Page 10

USBTO2328) A Found New Hardware window appears for theUSB Serial Port, as shown in Figure 16.USB-to-COM Port Adapter Board User Guide18 _____________

Page 11

9) When the Found New Hardware Wizard |Welcome window appears (Figure 17), press theNext button.USBTO232USB-to-COM Port Adapter Board User Guide______

Page 12

USBTO2322 _______________________________________________________________________________________Quick StartThe following instructions are for install

Page 13

USBTO23210) At the Found New Hardware Wizard | InstallHardware Device Drivers window (Figure 18),choose Search for a suitable driver for my device(rec

Page 14

11) The Found New Hardware Wizard | Locate DriverFiles window (Figure 19) appears. Check theSpecify a location checkbox and press the Nextbutton when

Page 15

USBTO23212) At the Found New Hardware Wizard | Path win-dow (Figure 20), press the Browse button andchoose the path C:\Program Files\MAXxxxxx.Press th

Page 16

13) The Found New Hardware Wizard | Driver FilesSearch Results window ( Figure 21) appears. Pressthe Next button after the wizard finds the driver.US

Page 17

USBTO23214) The next window is the Found New HardwareWizard | Complete window (Figure 22). Press theFinish button.15) When finished, return to step 8

Page 18

Windows 98SE USB Driver Installation1) Once the USBTO232 board is connected to the PCfor the first time in Windows 98SE, an Add NewHardware Wizard | S

Page 19

USBTO2322) An Add New Hardware Wizard | Options windowappears next (Figure 24). Choose the Search forthe best driver for your device (Recommended)opt

Page 20

3) At the Add New Hardware Wizard | SpecifyLocation window (Figure 25), check the Specify alocation checkbox and press the Browse button.Choose the pa

Page 21

USBTO2324) The Add New Hardware Wizard | Search windowappears (Figure 26). Press the Next button oncethe driver has been located.USB-to-COM Port Adap

Page 22

5) The next window is the Add New Hardware Wizard| Complete window (Figure 27). Press the Finishbutton to complete the driver installation.6) When fin

Page 23

USBTO232USB-to-COM Port Adapter Board User Guide_______________________________________________________________________________________ 3Windows XP US

Page 24

USBTO232USB-to-COM Port Adapter Board User Guide30 ______________________________________________________________________________________Figure 28. US

Page 25

USBTO232USB-to-COM Port Adapter Board User GuideMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in

Page 26

USBTO2322) A Found New Hardware Wizard | FTDI FT8U2XXDevice window (Figure 2) appears next. This win-dow asks What do you want the wizard to do?.Choos

Page 27

_______________________________________________________________________________________ 53) At the Found New Hardware Wizard | SearchOptions window (F

Page 28

USBTO232USB-to-COM Port Adapter Board User Guide6 _______________________________________________________________________________________4) The Found

Page 29

USBTO232USB-to-COM Port Adapter Board User Guide_______________________________________________________________________________________ 75) A Found N

Page 30

USBTO2326) The next window is the Found New HardwareWizard | USB Serial Port window (Figure 6). Thiswindow asks What do you want the wizard todo?. Cho

Page 31

7) At the Found New Hardware Wizard | SearchOptions window (Figure 7), choose the Search forthe best driver in these locations option andcheck the Inc

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