參數(shù)資料
          型號(hào): BU-61865F4-860Z
          廠商: DATA DEVICE CORP
          元件分類: 微控制器/微處理器
          英文描述: 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
          封裝: 1 X 1 INCH, 0.155 INCH HEIGHT, CERAMIC, FP-72
          文件頁(yè)數(shù): 38/60頁(yè)
          文件大?。?/td> 700K
          代理商: BU-61865F4-860Z
          43
          Data Device Corporation
          www.ddc-web.com
          BU-6174X/6184X/6186X
          Rev. C
          16-bit bi-directional data bus. This bus interfaces the host processor to the Enhanced Mini-ACE's internal
          registers and internal RAM. In addition, in transparent mode, this bus allows data transfers to take place
          between the internal protocol/memory management logic and up to 64K x 16 of external RAM. Most of the
          time, the outputs for D15 through D0 are in the high impedance state. They drive outward in the buffered or
          transparent mode when the host CPU reads the internal RAM or registers.
          Also, in the transparent mode, D15-D0 will drive outward (towards the host) when the protocol/management
          logic is accessing (either reading or writing) internal RAM, or writing to external RAM. In the transparent
          mode, D15-D0 drives inward when the CPU writes internal registers or RAM, or when the protocol/memory
          management logic reads external RAM.
          D10
          54
          D9
          51
          D8
          46
          D7
          47
          D6
          36
          D5
          45
          D4
          39
          D3
          44
          D2
          43
          D1
          38
          D0 (LSB)
          42
          D15 (MSB)
          53
          D14
          50
          D13
          48
          D12
          49
          D11
          52
          TABLE 49. DATA BUS
          SIGNAL NAME
          DESCRIPTION
          BU-6186XFX/GX
          BU-6184XFX/GX
          BU-6174XFX/GX
          PIN
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