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Numéro de référence | VPU16551 | ||
Description | Veratile PC Card UART | ||
Fabricant | Elan | ||
Logo | |||
1 Page
Elan Digital Systems Ltd.
www.elandigitalsystems.com
VPU16551 Versatile PC-Card UART
Product Datasheet ES313
1.0 Key Features
• Built-in 512 byte reprogrammable E² for CIS
means true single chip PCMCIA UART
PCMCIA or CF HOST
PCMCIA or CF CARD
HOST
CONTROLER
solution & “live at power-up”
• 5v or 3.3v operation
VPU
• Tiny 64-CBGA package
occupies 36% less PCB
100QFP
OSC
EEPROM
area than 48QFP1 and 77%
less than 100QFP, and is
PCMCIA DECODE
Function
Select
only 1.1mm thick (nom.)
Parallel
• PC-Card 7.1 multi-function compliant device
• Up to 1MBaud operation using x8 baud rate
setting in hardware…no special drivers
mneeded
o• 16 Byte Deep TX and RX FIFOs
• Supports optional external FIFOs for ultra high
.crate streaming2
• For PCMCIA or Compact Flash cards
• 16550 compatible UART function
U• Uses standard drivers from Windows
t4operating systems including CE / PocketPC2
• Ultra-low 3.3v quiescent power (max. 150uA)
• Output for UART activity LED
e• Parallel port mode
• Integrated pull up / down resistors
heThe VPU16551 is a PC-Card UART device that is
designed to operate without any extra glue-logic.
SIt requires just an external crystal, a few passive
components and a suitable transceiver to form a
tacomplete serial port device compatible with
industry standard “COM” ports. It can also
aoperate at up to 1MBaud.
Optionally, the addition of external FIFOs allows
.Dthe UART to add a high-speed parallel data
streaming port, without affecting the UARTs
normal operation. This is perfect for applications
wwwthat require a serial “control” channel and a high
Port
or
External
FIFOs
16550 UART
RS485
TXEnable
Activity LED
Driver
BAUD
x1 / x8
uP OR TRANSCEIVER
Figure 1-1 VPU16551 Block Diagram
rate data channel for throughputs in excess of
4Mbit/sec2.
The VPU16551 is ideally suited to the creation of
PC-Cards or CF cards that require standard
“COM” port type functionality such as wireless
devices or instrumentation products.
The following applications are ideal for the
VPU16551:
• Bluetooth Wireless card
• Classic modem card
• Serial port card
• RF data link card
• GSM / GPRS interface card
• GPS card
• Proprietary interface card
A clear advantage to using the VPU16551 is the
Operating System level compatibility that the
16551 architecture brings. Together with its extra
features, the VPU16551 greatly simplifies PC-Card
/ CF Card design. Unlike competing solutions, the
mVPU16551 does not need extra drivers (for
ostandard operation) and so will “just work” under
.call Windows operating systems2.
t4UA reference kit is available for the VPU16551,
eplease contact sales for further information.
taShe1 64-CBGA Package is 8mm x 8mm. 48QFP requires
approximately a 10mm x 10mm PCB area, 100QFP
arequires 16.5mm x16.5mm.
.D2 EXTERNAL FIFO mode and some enhanced
wfeatures must use Elan’s proprietary driver
Ordering Information
Part Number
VPU16551-CBGAX64
Description
64 ball CBGA, 0-70oC
wwVPU16551 Data Sheet
1 Apr 2005 Rev04
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Pages | Pages 30 | ||
Télécharger | [ VPU16551 ] |
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