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| 型號： | USB2240I-AEZG-XX |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 存儲控制器/管理單元 |
| 中文描述： | FLASH MEMORY DRIVE CONTROLLER, QCC36 |
| 封裝： | 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-36 |
| 文件頁數(shù)： | 29/51頁 |
| 文件大?。?/td> | 881K |
| 代理商： | USB2240I-AEZG-XX |
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Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
Datasheet
SMSC USB224x
35
Revision 2.0 (10-14-09)
DATASHEET
7.2.5.9
D8h-FBh: Not Applicable
7.2.5.10
FCh-FFh: Non-Volatile Storage Signature
7.3
Default Configuration Option
The SMSC device can be configured via its internal default configuration. Please see Section 7.2.2,
"EEPROM Data Descriptor" for specific details on how to enable default configuration. Please refer to
Table 7.1 for the internal default values that are loaded when this option is selected.
7.3.1
External Hardware RESET_N
A valid hardware reset is defined as assertion of RESET_N for a minimum of 1
μs after all power
supplies are within operating range. While reset is asserted, the device (and its associated external
circuitry) consumes less than 500
μA of current from the upstream USB power source.
Assertion of RESET_N (external pin) causes the following:
1. The PHY is disabled and the differential pair will be in a high-impedance state.
2. All transactions immediately terminate; no states are saved.
3. All internal registers return to the default state.
4. The external crystal oscillator is halted.
5. The PLL is halted.
6. The processor is reset.
7. All media interfaces are reset.
7.3.1.1
RESET_N for EEPROM Configuration
Figure 7.1 RESET_N Timing for EEPROM Mode
BYTE
NAME
DESCRIPTION
35:0
Not Applicable
Not Applicable.
BYTE
NAME
DESCRIPTION
3:0
NVSTORE_SIG
This signature is used to verify the validity of the data in the first 256 bytes of
the configuration area. The signature must be set to ‘ATA2’ for USB224x.
t1
t2
t4
t5
t6
t7
RESET_N
VSS
Hardware
reset
asserted
Device
Recovery/
Stabilization
8051 Sets
Configuration
Registers
Attach
USB
Upstream
USB Reset
recovery
Idle
Start
completion
request
response
t3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| USB2241-AEZG-XX | |
| USB2242-AEZG-XX | |
| USB2602-NU-04 | |
| USB2601-NU-04 | |
| USB3315-CP-TR | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USB2241 | 制造商:SMSC 制造商全稱:SMSC 功能描述:Ultra Fast USB 2.0 Multi-Format Flash Media Controller |
| USB2241-AEZG | 制造商:SMSC 功能描述:CONTROLLER FLASH MEDIA USB2.0 36QFN 制造商:SMSC 功能描述:CONTROLLER, FLASH MEDIA, USB2.0, 36QFN 制造商:Microchip Technology Inc 功能描述:USB 2.0 MF Flash Media Controller |
| USB2241-AEZG-04 | 功能描述:USB 接口集成電路 Ultra Fast USB 2.3 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 |
| USB2241-AEZG-05 | 功能描述:USB 接口集成電路 Ultra Fast USB 2.4 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 |
| USB2241-AEZG-06 | 功能描述:USB 接口集成電路 Ultra Fast USB 2.0 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 |
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