阅读:3355回复:7
这个USB DEVICE 如何?
我想选用TI的这颗USB芯片,大家觉得如何?好象会比较便宜。有用过的吗?给点建议。谢了
TUSB3210, Universal Serial Bus General Purpose Device Controller USB Speed――Full Number of Endpoints IN――3 Number of Endpoints OUT――3 DMA――No Supply Voltage(s) (V)――3.3 MCU Speed (max) (MIPs)――4 MCU Code Space (KBytes)――8 GPIO Pins (#)――32 Remote Wakeup――Yes *Multiproduct support with one code and one chip (up to 16 products with one chip) *Fully compliant with the USB release 1.1 specification *Supports USB suspend/resume and remote wake-up operation *Integrated 8052 Microcontroller with: -256 × 8 RAM for internal data -8k × 8 RAM code space available for downloadable firmware from host or I2C port. -512 × 8 shared RAM used for data buffers and endpoint descriptor blocks (EDB) [1] -Four 8052 GPIO ports, Port 0, 1, 2 and 3 -Master I2 C controller for external slave device access -Watchdog timer *Operates from a 12 MHz crystal *On-chip PLL generates 48/12 MHz *Supports a total of 4 input and 4 output endpoints *Power-down mode |
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沙发#
发布于:2004-10-10 21:21
不错!
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板凳#
发布于:2002-11-04 11:11
TUSB3210是TI公司的产品吧,我也研究过,数据手册中说好像有ROM版的,可惜只是慢了一点。总体还不错
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地板#
发布于:2002-11-02 18:05
我用51汇编写了一段模拟微机键盘的程序,只要将51芯片选择两个端口引脚接在键盘PS/2口的数据线和时钟线上,然后让单片机用PS/2的电源和地。程序中只要对端口定义改动以下就OK了。
有人需要吗? |
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地下室#
发布于:2002-11-01 22:18
难道你不生活在中国?如果是这样,那就不用担心了。
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5楼#
发布于:2002-11-01 15:14
我觉得还可以啦。
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6楼#
发布于:2002-11-01 14:04
不会吧!这样打击人?
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7楼#
发布于:2002-10-31 15:55
呵呵!又是这种download的chip。这玩意儿,遇到中国人就没戏啦!
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