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參數(shù)資料
| 型號(hào)： | USB2231 |
| 廠商： | SMSC Corporation |
| 英文描述： | 5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| 中文描述： | 第五代高速USB閃存介質(zhì)和CIR控制器，它集成卡功率場(chǎng)效應(yīng)管 |
| 文件頁數(shù)： | 26/26頁 |
| 文件大?。?/td> | 937K |
| 代理商： | USB2231 |
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5th Generation Hi-Speed USB Flash Media and CIR Controller with Integrated Card Power FETs
Datasheet
Revision 1.3 (07-12-05)
26
SMSC USB2231/USB2232
DATASHEET
Chapter 9 GPIO Usage
Note 9.1
Function assignment may change with ROM code revision or external firmware use. ROM
Code -00 cannot be used, external firmware must be used to obtain proper functionality.
Subsequent ROM codes will contain proper functionality.Consult firmware release notes for
exact functionality for that release.
Table 9.1 GPIO Usage
NAME
ACTIVE
LEVEL
SYMBOL
DESCRIPTION AND NOTE
GPIO1
H
Flash Media Activity LED
Indicates media activity. Media or USB
cable must not be removed with LED lit.
GPIO2
H
EE_CS
Serial EE PROM chip select
GPIO3
H
V_BUS
USB V bus detect
GPIO4
H
EE_DIN/
EE_DOUT/
xDID
Serial EE PROM input/output and xD
Identify
GPIO5
H
HS_IND/
SD_CD
HS Indicator LED or SD Card Detect
Switch input
GPIO6
H
A16/ROMEN
A16 address line connect for DFU or
debug LED indicator optional.
GPIO7
H
EE_CLK/
UNCONF_LED
Serial EE PROM clock output or
Unconfigured LED.
GPIO8
L
MS_PWR_CTRL/
CRD_PWR0
Memory Stick Card Power Control, or
Internal Power FET0.
GPIO9
L
CF_PWR_CTRL
CompactFlash Card Power Control
GPIO10
L
SM_PWR_CTRL/
CRD_PWR1
SmartMedia Card Power Control, or
Internal Power FET1.
GPIO11
L
SD/MMC_PWR_CTRL/
CRD_PWR2
SD/MMC Card Power Control, or
Internal Power FET2.
GPIO12
H
MS_ACT_IND/
Media Activity/
CIR_SD
Memory Stick Activity Indicator, or
Media Activity LED or CIR Receiver
Shutdown.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| USB2231-NE-03 | 5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2231-NU-03 | 5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2232 | 5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2232-NE-03 | 5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2232-NU-03 | 5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USB2231-NE-03 | 制造商:SMSC 制造商全稱:SMSC 功能描述:5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2231-NU-03 | 制造商:SMSC 制造商全稱:SMSC 功能描述:5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2232 | 制造商:SMSC 制造商全稱:SMSC 功能描述:5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2232-NE-03 | 制造商:SMSC 制造商全稱:SMSC 功能描述:5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
| USB2232-NU-03 | 制造商:SMSC 制造商全稱:SMSC 功能描述:5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs |
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