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參數(shù)資料
| 型號： | USB2229-NU-03 |
| 廠商： | SMSC Corporation |
| 英文描述： | 5TH GENERATION HI-SPEED USB FLASH MEDIA & IrDA CONTROLLER WITH INTEGRATED CARD POWER FETs |
| 中文描述： | 第五代高速USB閃存介質(zhì) |
| 文件頁數(shù)： | 18/27頁 |
| 文件大?。?/td> | 1008K |
| 代理商： | USB2229-NU-03 |
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5th Generation Hi-Speed USB Flash Media & IrDA Controller with Integrated Card Power FETs
Datasheet
Revision 1.2 (02-21-05)
18
SMSC USB2229/USB2230
DATASHEET
Memory Address
Bus
MA[1:0]/CLK_S
EL[1:0]
I/O8PD
MA[1:0], These signals address memory locations
within the external memory.
SEL[1:0]. During nRESET assertion, these pins will
select the operating frequency of the external clock, and
the corresponding weak pull-down resistors are
enabled. When nRESET is negated, the value on these
pins will be internal latched and these pins will revert to
MA[1:0] functionality, the internal pull-downs will be
disabled.
SEL[1:0] = ‘00’. 24MHz
SEL[1:0] = ‘01’. RESERVED
SEL[1:0] = ‘10’. RESERVED
SEL[1:0] = ‘11’. 48MHz
Note:
If the latched value is ‘1’, then the
corresponding MA pin is tri-stated when the
following conditions are true:
1. IDLE bit (PCON.0) is 1.
2. INT2 is negated
3. SLEEP bit of CLOCK_SEL is 1.
If the latched value is ‘0’, then the corresponding MA pin
will function identically to the MA[15:3] pins at all times
(other than during nRESET assertion).
Memory Write
Strobe
nMWR
O8
Program Memory Write; active low
Memory Read
Strobe
nMRD
O8
Program Memory Read; active low
Memory Chip
Enable
nMCE
O8
Program Memory Chip Enable; active low.
This signal is asserted, when any of the following
conditions are no longer met:
1. IDLE bit (PCON.0) is 1.
2. INT2 is negated
3. SLEEP bit of CLOCK_SEL is 1.
Note:
This signal is held to a logic ‘high’ while
nRESET is asserted.
MISC
General Purpose
I/O
GPIO1
I/O8
This pin may be used either as input, edge sensitive
interrupt input, or output.
General Purpose
I/O
GPIO2
I/O8
This pin may be used either as input, edge sensitive
interrupt input, or output.
General Purpose
I/O
GPIO3
I/O8
This pin may be used either as input, edge sensitive
interrupt input, or output.
General Purpose
I/O
GPIO4
I/O8
This pin may be used either as input, edge sensitive
interrupt input, or output.
General Purpose
I/O
GPIO5
I/O8
This pin may be used either as input, edge sensitive
interrupt input, or output.
Table 6.1 USB2229/USB2230 Pin Descriptions
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| USB2230 | 5TH GENERATION HI-SPEED USB FLASH MEDIA & IrDA CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2230-NE-03 | 5TH GENERATION HI-SPEED USB FLASH MEDIA & IrDA CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2230-NU-03 | 5TH GENERATION HI-SPEED USB FLASH MEDIA & IrDA CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB3300 | CONN/14 POS HDR SHRD DBL STR |
| USB3300-EZK | HI SPEED USB HOST OR DEVICE PHY WITH ULPI LOW PIN INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USB2229-NU-XX | 制造商:SMSC 制造商全稱:SMSC 功能描述:5th Generation Hi-Speed USB Flash Media and IrDA Controller with Integrated Card Power FETs |
| USB2230 | 制造商:SMSC 制造商全稱:SMSC 功能描述:5TH GENERATION HI-SPEED USB FLASH MEDIA & IrDA CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2230-NE-02 | 功能描述:USB 接口集成電路 Hi Spd USB Flash Media RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| USB2230-NE-03 | 制造商:SMSC 制造商全稱:SMSC 功能描述:5TH GENERATION HI-SPEED USB FLASH MEDIA & IrDA CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2230-NE-XX | 制造商:SMSC 制造商全稱:SMSC 功能描述:5th Generation Hi-Speed USB Flash Media and IrDA Controller with Integrated Card Power FETs |
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