{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*TUSB2046B,pdf(4 Port Hub for t.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"-Gn7X2aRSFmN2hMyaNEUCA","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*TUSB2046B,pdf(4 Port Hub for t.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
DESCRIPTION/ORDERING INFORMATIONThe TUSB2046B is a 3.3-V CMOS hub device that provides one upstream
2010-09-09 22:57
TUSB2046B是德州仪器公司生产的用于外接EEPROM接口的通用串行总线的四端集线器。
2021-04-23 07:23
HUB CONNECTOR
2023-04-03 11:03
HUB470-P
2024-06-21 01:43
HUB1800-S
2024-06-21 01:43
一、HUB75 接口介绍上图中有 A/B/C/D 4根地址线,所以是16扫(2 4 = 16 2^4=1624=16)上
2022-01-25 07:23
功能XPT2046是一颗12位的ADC芯片,可以当做普通的ADC芯片使用,但是一般都是用在电阻触摸屏上,方便定位触摸屏坐标。图1: XPT2046内部原理图图2:电阻触摸屏---引出的4条线就接在XPT
2022-03-02 06:21
导读:HUB75接口是一种常用的LED单元板驱动接口,本文就常见的HUB75接口知识点进行整理。A/B/C/D 4根地址线,所以是16扫(24=162^
2021-07-16 08:08
普中51开发板,用XPT2046芯片实现AD数模转换:让8个动态数码管,第一二位显示AD,后3位转换的数字量,最后3位显示对应电压值XPT2046芯片使用小结:XPT2046 是一种典型的逐次逼近
2021-12-09 07:19
触摸屏应用时,可以配置为差分模式,这可有效消除由于驱动开关的寄生电阻及外部的干扰带来的测量误差,提高转换准确度。下图为XPT2046的典型工作电路:4XPT2046有四个引脚,用于连接到四线制电阻屏
2020-02-26 19:01