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參數(shù)資料
| 型號： | 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)： | 1/54頁 |
| 文件大?。?/td> | 736K |
| 代理商： | UPSD3234 |
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April 2004
AN1886
APPLICATION NOTE
Low Speed USB Design Using μPSD
This application note describes the design of a low-speed USB function for the uPSD32xxA MCU series
(see
Table 2.
), and how to use the μPSD USB simple demonstration program. It gives answers to fre-
quently asked questions, and to design issues (such as those to do with the newer USB 2.0 host control-
lers, see
Table 1.
) and gives designers the basic elements to design applications using the low-speed USB
port of the μPSD devices.
Table 1. Current Types of USB
Note: 1. The theoretical maximum data rates cannot be reached by most USB devices, including the μPSD, whereas the typical maximum
data rates can, under certain conditions. Actual values can vary due to USB and PC differences, etc. The μPSD32xxA data rates
were tested with the DK3200 development kit and the USB demonstration program.
2. Interrupt transfers on USB1.1
3. On some (USB 2.0) fast hosts
Table 2. μPSD USB Family (February 2004)
This application note also features a simple demonstration example application, including firmware for
running on the DK3200 development kit, and a Windows application running on a standard PC.
Type
Latest USB
Specifications
Transmission
Speed
Maximum Data Rate
1
μPSD
Theoretical
Typical
Low-speed
Revision 2.0
1.5 Mbit/s
8 KByte/s
2
6 KByte/s
μPSD32xxA
(see
Table 2.
)
~ 24 KByte/s
3
11 KByte/s
3
Full-speed
Revision 2.0
12 Mbit/s
1.4 MByte/s
1.1 MByte/s
μPSD34xx
High-speed
Revision 2.0
480 Mbit/s
60 MByte/s
< 60 MByte/s
none
Part Number
Max. Clock
I/O
TQFP
Supply
Main Flash
2nd Flash
SRAM
USB
μPSD3234A-40T6
40 MHz
37
52
5 V
256 KBytes
32 KBytes
8 KBytes
√
μPSD3234A-40U6
40 MHz
46
80
5 V
256 KBytes
32 KBytes
8 KBytes
√
μPSD3254A-40T6
40 MHz
37
52
5 V
256 KBytes
32 KBytes
32 KBytes
√
μPSD3254A-40U6
40 MHz
46
80
5 V
256 KBytes
32 KBytes
32 KBytes
√
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| uPSD3251(中文) | 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) |
| 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) |
| uPSD3253AV-24T1T | Flash Programmable System Devices with 8032 Microcontroller Core |
| UPSD3253B | Two and Three Channel Codewheels |
| UPSD3253BV | Flash Programmable System Devices with 8032 Microcontroller Core |
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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