MCDMA控制器核支持两种模式:8237和non-8237。当选择8237模式时,它将IP配置为与Intel 8237A DMA控制器兼容,特性稍有不同。不同之处请参见数据手册“与Intel 8237器件兼容的差异部分”章节中列出。8237模式支持4个独立的通道,同时non-8237模式最多可支持16个独立的通道。
DATASHEET 82C37A CMOS High PerformanceProgrammable DMA Controller FN2967 Rev 4.00 October 2, 2015 The 82C37A is an enhanced version of the industry standard 8237A Direct Memory Access (DMA) controller, fabricated using Intersil's advanced 2 micron CMOS process. Pin compatible with NMOS designs,...
608Kb/11PPROGRAMMABLE DMA CONTROLLER Intel CorporationM8257 360Kb/7PPROGRAMMABLE DMA CONTROLLER Toshiba SemiconductorTMP82C37A 1Mb/65PMULTIMODE DMA CONTROLLER Altera CorporationA8237 269Kb/22PPROGRAMMABLE DMA CONTROLLER Advanced Micro DevicesAM8257