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MC9S12A256BCPV

MC9S12A256BCPV资料
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File Size : 116 KB Manufacturer:FREESCALE Description:The device is reprogrammed on a sector basis. If a byte of data within a sector is to be changed, data for the entire sector must be loaded into the device. Any byte that is not loaded during the programming of its sector will be indeterminate. Once the bytes of a sector are loaded into the device, they are simultaneously programmed during the internal programming period. After the first data byte has been loaded into the device, successive bytes are entered in the same man- ner. Each new byte to be programmed must have its high-to-low transition on WE (or CE) within 150 µs of the low-to-high transition of WE (or CE) of the preceding byte. If a high-to-low transi- tion is not detected within 150 µs of the last low-to-high transition, the load period will end and the internal programming period will start. A7 to A15 specify the sector address. The sector address must be valid during each high-to-low transition of WE (or CE). A0 to A6 specify the byte address within the sector. The bytes may be loaded in any order; sequential loading is not required. Once a programming operation has been initiated, and for the duration of tWC, a read operation will effectively be a polling operation.

	1PCS	100PCS	1K	10K
价格


型号：MC9S12A256BCPV 厂家：FREESCALE 封装：3000 批号：07+ 数量：LQFP112 说明：


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