ELANsat Tech Camera Accessories CF232 User Manual

ELAN DIGITAL SYSTEMS LTD.  
LITTLE PARK FARM ROAD,  
SEGENSWORTH WEST,  
FAREHAM,  
HANTS. PO15 5SJ.  
TEL: (44) (0)1489 579799  
FAX: (44) (0)1489 577516  
CF232 COMPACT FLASH™ CF+ CARD  
USER’S GUIDE  
Also covers CF232-5  
Compact Flash is a trademark of Sandisk Corporation. All other Trademarks are duly acknowledged.  
REVISION HISTORY  
ISSUE PAGES  
DATE  
NOTES  
FIRST ISSUE  
H/W Rev3.00  
1
2
3
8
9
9
20.08.2001  
23.04.2002  
24.05.2002  
Electrical Specs Updated  
Elan Digital Systems Ltd.  
1
CF232 USER’S GUIDE  
 
1. OVERVIEW  
The CF232 card is an RS232 Serial card with the following features:  
· Tiny TypeI Compact Flash form factor for CF+ equipped PDAs,  
Handheld PCs, laptops etc.  
· DOS, Windows 3.1x, 95, 98, 98SE, Me, NT4, 2000, XP, CE,  
PocketPC compatible using O.S. standard drivers  
· Industry standard 16550 register set  
· Transmission rates up to 115.2K Baud as standard.  
· H/W Rev3.00 cards have switchable x1 or x8 baud rate giving up  
to 921Kbaud.  
· Works at 3.3V or 5V  
· Full hardware modem control line support  
· Compatible with all standard serial comms software  
· Works in PC-Card slots using Compact Flash adapter (not  
supplied as standard but available as an option)  
· CF232-5 has host supply pin instead of “RI” for powering  
external devices  
· Standard PC IO port decode for COM1 to COMn  
· “Any” IO port and interrupt decode option for best pnp flexibility  
· ESD protected RS232 ports.  
· Software controlled power management.  
· Low power consumption.  
· Supplied with 300mm DB9-male terminated cable with  
“standard” com port pin-out.  
This guide aims to familiarise you with the way that the CF232  
works and so will help you to maximise its performance in your  
application.  
Elan will be happy to quote for either customisation of the CF232 if  
its exact specifications do not quite meet your needs, or to create  
complete application software.  
Elan Digital Systems Ltd.  
3
CF232 USER’S GUIDE  
 
2. ABOUT THE CF232  
The CF232 card is an RS232 serial card with Elan’s own 16550  
compatible UART ASIC device, called the VPU16550. The serial  
data and control lines are buffered using ESD protected RS232  
drivers.  
Industry standard baud rates up to 115.2K baud are supported,  
together with 16-byte deep TX and RX FIFOs. On H/W Rev3.00  
cards, a small switch is located at the back edge of the card, which  
allows selection of “x1” or “x8” baud rate multiplier. This feature  
allows up to 921KBaud operation without needing special device  
drivers on the host (in x8 mode you simply multiply the setting  
shown on the host by 8 to get the real serial data rate e.g. 19200Baud  
set on host with x8 mode gives 153600Baud true rate in hardware).  
See section 5 for the switch settings.  
For further information please refer to the VPU16550 data sheet  
available from our website, http://www.pccard.co.uk  
The CF232 conforms to the industry standard Compact Flash+  
interface that allows connection of peripherals to the system bus of a  
laptop, handheld PC or PDA. The CF+ specification extends the  
earlier memory-only Compact Flash interface to allow I/O devices  
and extra power for the card. The CF232 is an I/O type device and  
therefore requires a CF+ capable slot.  
Elan Digital Systems Ltd.  
4
CF232 USER’S GUIDE  
 
3. INSTALLING THE CF232  
3.1 DOS & Windows 3.1x  
Operation in DOS or Windows 3.1 requires 3rd party Card and  
Socket Services drivers to be properly installed and configured.  
Follow your software vendor’s instructions on how to do this.  
The CF232 requires no extra drivers to operate in DOS. Insertion of  
the card should create a familiar “happy beep” as the host software  
configures the card a standard DOS COM port. Resource allocation  
and troubleshooting is all down to the 3rd party software and any  
issues that may arise during configuration of the CF232 should be  
addressed to the vendors of this software.  
The CF232 has been tested with:  
SystemSoft Cardware  
Award Cardwizard  
3.2 Windows 95, 98, 98SE, Me, NT4, 2000, XP  
The “generic” serial drivers in these Operating Systems support the  
CF232. No extra driver software is needed but you will need to  
install Card Center Pro, or use the INF file that can be found on the  
first disk of the installation set.  
Installing the supplied Card Center Pro software that comes with  
your product will copy the INF file into the Windows/INF folder.  
Windows will use this INF file to “recognise” the CF232 card.  
Alternatively, when Window’s does a first-time search for the driver  
for the CF232 card, you can use Disk#1 from the CCP set.  
3.3 Windows CE, PocketPC  
There is no need to install any software for Windows CE or  
PocketPC. Simply insert the CF232 card and it will appear in a list  
when you go to set up a “Connection”.  
Elan Digital Systems Ltd.  
5
CF232 USER’S GUIDE  
 
4. CF232 REGISTER INTERFACE  
Full details of the CF232’s register interface can be found in the  
VPU16550 data sheet, available at Elan’s website  
For reference, the CF232 and the CF232-5 both behave as a 5V card  
to the host system because Vs1 and Vs2 pins are no connects. This  
is to make the host default to 5V when possible, giving the highest  
RS232 output signals and therefore best noise margins. The Card  
Information Structure does not define any 3.3V tuples because some  
platforms will also take this as a sign to run at 3.3V even when 5V is  
available. On a PDA or HPC, the host will power the card at 5V if  
it’s available, or 3.3V otherwise (despite there being no 3.3V tuple  
entries).  
Elan Digital Systems Ltd.  
6
CF232 USER’S GUIDE  
 
5. HARDWARE SPECIFICATION  
5.1 PINOUT  
The CF232 is supplied with a 300mm long Type45 cable that  
terminates with a DB9 Male connector with female screwlocks (to  
match the port at the back of a PC)  
The pin-out below applies to both the CF232 card and the DB9 male  
connector on the supplied cable (the cable is pinned one-to-one).  
PIN  
1*  
2
NAME  
DCD  
RX  
FUNCTION  
Data Carrier Detect input  
Receive Data input  
Transmit Data output  
3
TX  
Data Terminal Ready output  
GROUND  
4
5
DTR  
GND  
Data Set Ready input  
6
DSR  
Request To Send output  
7
RTS  
Clear To Send input  
8
CTS  
Ring Indicate input (CF232) or Host Vcc (CF232-5)  
9
RI or Host Vcc*  
* Total Host Vcc current available is limited by the host’s capabilities. Exceeding its maximum  
could damage the CF232 and/or the host. The Host Vcc output may be at 5V or 3.3V.  
For ref: mating connector type: Honda rmc-e9f2s-bsla2n-a2  
*Pin 1 is nearest the edge of the card.  
PIN 9  
PIN 1  
H/W Rev1.00 to 2.00 (incl.)  
x8  
PIN 9  
PIN 1  
x1  
H/W Rev3.00 (with baud multiplier switch)  
Elan Digital Systems Ltd.  
7
CF232 USER’S GUIDE  
 
5.2 ELECTRICAL  
All figures quoted are typical parameters @ 25°C  
RS232 SIGNALS:  
Typical output level ±5.5V (open circuit voltages)  
ESD PROTECTION:  
All RS232 signal lines on the CF232 card are protected  
against electrostatic discharge (ESD)  
·
15kv - human body model  
·
·
8kv - IEC1000-4-2,contact discharge  
15kv - IEC1000-4-2,air-gap discharge  
UART CLOCK SPEED:  
1.8432MHz, max baud rate 115.2KBaud  
On H/W Rev3.00 cards switch selectable Baud rate  
multiplier:  
x1: UART CLOCK is 1.8432MHz ->115.2KBaud max  
x8: UART CLOCK is 14.7456MHz->921.6KBaud max  
5.3 POWER CONSUMPTION  
All figures quoted are typical parameters @ 25°C  
VCC CURRENT:  
20mA typical @ 5V, 13mA typical @ 3.3V  
IN STANDBY MODE :  
14mA typical @ 5V, 5mA typical @ 3.3V  
5.4 MECHANICAL  
MASS:  
10g typical.  
FORM FACTOR:  
36.4mm x 42.8mm x 3.3 mm overall size  
5.5 ENVIRONMENTAL  
HUMIDITY:  
TEMP:  
<80% non-condensing  
0-50°C ambient  
5.6 NOTES ON SERIAL DATA THROUGHPUT  
The maximum serial baud rate of 921KBits/sec does not imply that  
the maximum sustained throughput rate of the serial port will be as  
high. The actual throughput rate that can be achieved depends on  
many factors including the host PC speed, the serial data source’s  
data block size and whether the block are “back-to-back”, whether  
the interrupt in use on the host is being shared by other devices  
leading to increased latency etc.  
Elan Digital Systems Ltd.  
8
CF232 USER’S GUIDE  
 
As a simple rule of thumb, using the standard serial drivers on a fast  
PC will allow throughput rates of 400-600KBits/sec although these  
rates can’t be guaranteed and will be application specific.  
5.7 BAUD RATE SETTINGS  
The table below illustrates the common baud rate values available  
for each of the baud rate multiplier switch positions:  
HOST SETTING  
300  
SWITCH = x1  
300  
SWITCH = x8  
2400  
1200  
1200  
9600  
2400  
2400  
19200  
4800  
4800  
38400  
9600  
9600  
76800  
19200  
38400  
57600  
115200  
19200  
38400  
57600  
115200  
153600  
307200  
460800  
921600  
Elan Digital Systems Ltd.  
9
CF232 USER’S GUIDE  
 

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