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參數(shù)資料
| 型號(hào)： | LPC3230FET296 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | ARM926EJ-S with 256 kB SRAM, USB High-speed OTG, SD-MMC, NAND flash controller, LCD controller |
| 中文描述： | 32-BIT, FLASH, 266 MHz, RISC MICROCONTROLLER, PBGA296 |
| 封裝： | 15 X 15 MM, 0.70 MM PITCH, PLASTIC, MO-216, SOT1048-1, TFBGA-296 |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 120K |
| 代理商： | LPC3230FET296 |
ES_LPC3230
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Errata sheet
Rev. 9 — 1 June 2011
15 of 17
NXP Semiconductors
ES_LPC3230
Errata sheet LPC3230
3.10 USB.1: USB host controller hangs on a dribble bit
Introduction:
Full-/low-speed signaling uses bit stuffing throughout the packet without exception. If the
receiver sees seven consecutive ones anywhere in the packet, then a bit stuffing error has
occurred and the packet should be ignored.
The time interval just before an EOP is a special case. The last data bit before the EOP
can become stretched by hub switching skews. This is known as dribble and can lead to a
situation where dribble introduces a sixth bit that does not require a bit stuff. Therefore,
the receiver must accept a packet for which there are up to six full bit times at the port with
no transitions prior to the EOP.
Problem:
The USB host controller will hang indefinitely if it sees a dribble bit on the USB bus. It will
hang the first time a dribble bit is seen. Once it is in this state there is no recovery other
than a hard chip reset. This problem has no effect on the USB device controller.
Work-around:
None.
4. AC/DC deviations detail
4.1 ESD.1: Weak ESD protection on Reset_N pad
Introduction:
The LPC3230 was designed to withstand electrostatic discharges up to 2000 V using the
Human Body Model.
Problem:
The RESET_N pad (pin M14) does not pass ESD tests above 1000 V.
Work-around:
Observe proper ESD handling precautions for the RESET_N pin
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LPC3230FET296,551 | 功能描述:ARM微控制器 - MCU ARM9 256KRAM VFP USB OTG LCD RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| LPC3230FET296/01,5 | 功能描述:ARM微控制器 - MCU ARM9 VFP USB OTG Improved LCD RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
| LPC3230FET296/01,551 | 制造商:NXP Semiconductors 功能描述:0 |
| LPC3240 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16/32-bit ARM microcontrollers; hardware floating-point coprocessor, USB On-The-Go, and EMC memory interface |
| LPC3240FET296 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16/32-bit ARM microcontrollers; hardware floating-point coprocessor, USB On-The-Go, and EMC memory interface |
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