ltc691cn资料 | |
ltc691cn |
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file size : 116 kb
manufacturer:linear description:a bidirectional parallel port that includes a modifiable address that is referenced by a 16-bit programmable register software or hardware control 13 irq channel options four 8-bit dma channel options demand mode dma support an enhanced parallel port (epp) that is compatible with the new version epp 1 9 and is ieee 1284 compliant an enhanced parallel port (epp) that also supports version epp 1 7 of the xircom specification support for an enhanced parallel port (epp) as mode 4 of the extended capabilities port (ecp) an extended capabilities port (ecp) that is ieee 1284 compliant including level 2 selection of internal pull-up or pull-down resistor for paper end (pe) pin reduction of pci bus utilization by supporting a de- mand dma mode mechanism and a dma fairness mechanism a protection circuit that prevents damage to the par- allel port when a printer connected to it powers up or is operated at high voltages output buffers that can sink and source 14 ma three general purpose pins for three separate program- mable chip select signals as follows can be programmed for game port control the chip select 0 (cs0) signal produces open drain output and is powered by the vcch the chip select 1 (cs1) and 2 (cs2) signals have push-pull buffers and are powered by the main vdd decoding of chip select signals depends on the ad- dress and the address enable (aen) signals and can be qualified using the read (rd) and write (wr) signals |
1pcs | 100pcs | 1k | 10k | ||
型 号:ltc691cn 厂 家:linear 封 装:0529 批 号:smd 数 量:2963 说 明: |
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运 费: 所在地: 新旧程度: |
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联系人:林浩/林妮 |
电 话:0755-82532799/82532766/83989559 |
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公司地址: 深圳市福田区佳和大厦b座1802室 门市部:华强广场 q2a114展销柜 |