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參數(shù)資料
| 型號(hào)： | uPSD3234 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可編程系統(tǒng)器) |
| 中文描述： | 閃存可編程系統(tǒng)器件與8032微控制器內(nèi)核（嵌入高速“8032微控制器核”的閃存型可編程系統(tǒng)器） |
| 文件頁數(shù)： | 5/54頁 |
| 文件大?。?/td> | 736K |
| 代理商： | UPSD3234 |
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AN1886 - APPLICATION NOTE
IAP USB DEMONSTRATION PROGRAM
The USB demonstration program was developed to provide a basic example of a customer application
using a μPSD device. This application note forms part of the documentation of this product, and traces the
changes and important steps at which the USB demonstration was modified to meet customer require-
ments (
Table 3.
).
Table 3. USB Demonstration Program Revision History
Version
Release Date
Description, Features, Known Problems
1.07
March 2003
Basic version
Not functional on most of USB2.0 hosts
1.07E
April 2003
Uses (services) also EOP interrupts
Very high CPU load
Functional on many USB2.0 hosts
Problems with implementation
Very low immunity to length of USB ISR
STALL0 bit problem solved in EOP service routine
2.0_RP
December 2003
Functional on many of USB2.0 hosts
Relative registers
Uses short tests of USB INT flags (for example RXD0F bit instead of UISTA & uRXD0F)
Safe usage of USB registers (assembler instruction added)
Immunity to length of USB ISR
Problems with Win98
2.0_FP
January 2004
Functional with all tested USB2.0 hosts
Successfully tested on many OS platforms (Win98SE up to WinXP)
Relative registers
Uses short tests of USB INT flags (for example RXD0F bit instead of UISTA & uRXD0F)
Safe usage of USB registers (assembler instruction added)
USTA packet length problem fixed
Improved immunity to length of USB ISR
2.1
February 2004
Functional with all tested USB2.0 hosts
Successfully tested on many OS platforms (Win98SE up to WinXP)
Relative registers
Uses short tests of USB INT flags (for example RXD0F bit instead of UISTA & uRXD0F)
Safe usage of USB registers (assembler instruction added)
Simple handling and modification of USB descriptors
Physical descriptor supported
Improved routines
Improved immunity to length of USB ISR
USTA packet length problem fixed
Reduced number of headers.
The first official version
Today (February 2004) are not known any uncovered problems with USB2.0 hosts
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| uPSD3251 | Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的Flash可編程系統(tǒng)設(shè)備) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPSD32348V24V6ES | 制造商:ST MICRO 功能描述:* |
| UPSD3234A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD3234A-24T1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
| UPSD3234A-24T1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM |
| UPSD3234A-24T6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash Programmable System Device with 8032 Microcontroller Core |
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