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| 220C580XB101资料 | |
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220C580XB101 PDF Download |
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File Size : 116 KB
Manufacturer:NATIONAL Description:The serial interface of the CDC7005 is a simple SPI-compatible interface for writing to the registers of the device. It consists of three control lines: CTRL_CLK, CTRL_DATA, and CTRL_LE. There are four 32-bit wide registers, which can be addressed by the two LSBs of a transferred word (bit 0 and bit 1). Every transmitted word must have 32 bits, starting with MSB first. Each word can be written separately. Word 0, word 1, and word 2 are user programmable; however, word 3 is reserved for factory test purposes only. There is no need to program word 3 unless it has to be filled with zeros. The transfer is initiated with the falling edge of CTRL_LE; as long as CTRL_LE is high, no data can be transferred. During CTRL_LE, low data can be written. The data has to be applied at CTRL_DATA and has to be stable before the rising edge of CTRL_CLK. The transmission is finished by a rising edge of CTRL_LE. With the rising edge of CTRL_LE, the new word is asynchronously transferred to the internal register (e.g., N, M, P, ...). Each word has to be separately transmitted by this procedure. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：220C580XB101 厂 家：NATIONAL 封 装：BGA 批 号：09+ 数 量：250 说 明：绝对原装正品现货 |
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运 费： 所在地：深圳 新旧程度： |
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| 联系人：陈小姐 |
| 电 话：0755-83605789 |
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| 公司地址： 广东深圳市福田区华强北（振华路）赛格高科德电子市场A1848室 |
