Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for
construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC
reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications
before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent
rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated
version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors
known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not
designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property
damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of
this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC’s website at http://www.smsc.com. SMSC is a registered
trademark of Standard Microsystems Corporation (“SMSC”). Product names and company names are the trademarks of their respective holders.
SMSC makes the following part-numbered device available for purchase only by customers who are xD-Picture Card licensees: USB2660/USB2660i.
By purchasing or ordering any of such devices, Buyer represents, warrants, and agrees that Buyer is a duly licensed Licensee under an xD-Picture CardTM License Agreement
with Fuji Photo Film Co., Ltd., Olympus Optical Co., Ltd., and Toshiba Corporation; and that Buyer will maintain in effect such xD-Picture Card license and will give SMSC
reasonable advance notice of any termination or expiration of such xD-Picture Card license, but in no event less than five days advance notice. SMSC may discontinue making
such devices available for purchase by Buyer and/or discontinue further deliveries of such devices if such xD-Picture Card license shall expire, terminate, or cease to be in
force, or if Buyer is or becomes in default of such xD-Picture Card license.
SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE
OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL
DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS OR REVENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT;
TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD
TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Revision 1.0 (06-09-09)
PRODUCT PREVIEW
2
SMSC USB2660/USB2660i
To Upstream
V
BUS
1.8 V
24 MHz
Crystal
3.3 V
Upstream USB
Data
SMSC USB2660/USB2660i
Upstream
PHY
SFR
RAM
Controller
RAM
6K
64 K
ROM
Transaction
Translator
Port Controller
ADDR
MAP
PWR_FET1
SPI
1.8 V Reg
8051
PROCESSOR
PLL
Serial
Interface
Repeater
Serial
Interface
Engine
SPI (4 pins)
GPIO8 (CRD_PWR2)
GPIO10 (CRD_PWR1)
20 pins
Block Diagram
Bus-Power
Detect/
V
BUS
Pulse
3.3 V
PWR_FET0
GPIOs
GPIO
Program Memory I/O Bus
1.8 V Reg
XDATA BRIDGE
+ BUS ARBITER
VDDCR
Ultra Fast USB 2.0 Hub and Multi-Format Flash Media Controller with Dual SD Interfaces
Figure 1 USB2660/USB2660i Block Diagram
PRODUCT PREVIEW
EP0 TX
EP0 RX
3K
total
RAM
EP2 RX
EP2 TX
Routing & Port Re-Ordering Logic
BUS
INTFC
PHY
Port #2
OC
Sense
Switch
Driver
3
BRIDGE
SIE
CTL
BUS
INTFC
xD*
*For xD-Picture Card
TM
support, please obtain a user
license from the xD-Picture Card License Office.
USB Data
OC Sense/
Downstream Pwr Switch
AUTO_CBW
PROC
BUS
INTFC
FMDU
CTL
PHY
Port #3
OC
Sense
Switch
Driver
FMI
MS
SD/
MMC
SD/
MMC/
SDIO
Revision 1.0 (06-09-09)
USB Data
Downstream
OC Sense/
Pwr Switch
Flash Media Cards
(require combo socket)
SD/MMC Socket or
SDIO Interconnect
Ultra Fast USB 2.0 Hub and Multi-Format Flash Media Controller with Dual SD Interfaces
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UHF和HF都是一般的技术分类，不过每一类都有独立的支持协议。HF在13.56MHz频段更具有一致性，虽然国际业内行业标准很多。UHF RFID在858-960MHz频段已商业化。同时也有多种国际标准支持，包括EPC global Gen 2。 标签与读写器通过无线链接交换数据。链接可以通过适合任何频段的、具有不同读取范围和抗干扰性的EMF或RF场实现。HF RFID技术主要通过电磁场传送信...[详细]
DSP 与 ARM 处理器
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