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參數(shù)資料
| 型號(hào)： | EXPANDIO-USB-SS |
| 廠商： | Flexipanel |
| 文件頁(yè)數(shù)： | 3/15頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER USB 12B 20SSOP |
| 標(biāo)準(zhǔn)包裝： | 25 |
| 系列： | expandIO-USB™ |
| 接口： | USB |
| 輸入/輸出數(shù)： | 12 |
| 中斷輸出： | 無(wú) |
| 頻率 - 時(shí)鐘： | 375kHz |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP |
| 供應(yīng)商設(shè)備封裝： | 20-SSOP |
| 包裝： | 散裝 |
| 產(chǎn)品目錄頁(yè)面： | 659 (CN2011-ZH PDF) |
| 其它名稱： | 658-1040-5 |
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p11
22-Nov-10
expandIO-USB
HW148-18
www.firmwarefactory.com
Figure 9. HIDconfig.exe application
Delivery and Programming
In high volumes (5K+), expandIO-USB is available
reeled with your custom settings preloaded.
The
devices listed in table 9 are commonly stocked by
distributors.
Table 9. Commonly stocked part numbers
Part number
MCU
USB Speed Package
USB-expandIO-DIL
18LF2455
Full
DIL-28
USB-expandIO-PT
18LF4455
Full
TQFP-44
USB-expandIO-SS
18F14K50
Full
SSOP-20
USB-expandIO-SS may be supplied with an ID label, or
it may be identified with a red mark on the package.
Programming expandIO-USB
expandIO-USB may be programmed in-circuit provided
the programming signals PGC, PGD and Vpp are
protected against contention. In particular, note that the
Vpp line is subject to a voltage of up to 13V during
programming. Nothing else should be connected to this
input except via a 22k pull-up resistor.
Since the programming time is fast, no programming
socket is required for the TEAclipper. It may be leaned
against five plate-through holes as described in figure
10. In-circuit programming connections of some form
should always be provided, even if the device is
supplied pre-loaded, in order to facilitate firmware
upgrades.
1mm hole dia
2.54mm spacing
Pin 1 indicated
by square pad
P
G
D
P
G
C
V
pp
V
ss
V
dd
Figure 10. Recommended TEAclipper PCB connector
Evaluation Board
expandIO-USB may be evaluated with the Firmware
Factory USB Products Eval Board (figure 11).
The
components which must be fitted are shown in table 10.
In addition, the prototyping area on the left may be used
to add components to which the expandIO-USB will
interface.
The printed circuit board integrates an edge connector
of USB Type A format. This may be plugged into a USB
extension cable.
The HIDconfig.exe application can be used to discover
and test the evaluation circuit prior to writing a software
application to do the task.
Table 10. Evaluation Board minimum bill of materials
Label
Component
U2
expandIO-USB-28-FS-DIL
D2
Wire link
C4
100nF capacitor
C7
10uF capacitor
C8
470nF capacitor
X1
12MHz parallel cut crystal
C2, C3
22pF capacitor
R2
22k resistor
LED1, LED2
Light emitting diode 5mm
Additional components may be added for a more complete evaluation
Figure 11. USB Products Eval Board
(Additional components added compared to table 8.)
Licensing
This firmware is copyright Firmware Factory Ltd and
may only be used with permission. Licenses may be
purchased from HexWax Ltd. For preprogrammed reels,
contact Firmware Factory Ltd.
Development Kit
A firmware development kit is available for download
from www.hexwax.com containing the following files:
Base controller data sheets ( Microchip
Technology Inc)
USB 2.0 Specification ( HP / Intel / Lucent /
Microsoft / NEC / Philips 2000)
UNI/O Bus Specification DS22076
( Microchip Technology Inc)
HIDconfig.exe for in-factory customization of
expandIO-USB devices via the USB port.
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