參數(shù)資料
型號(hào): BU-61845G4-410S
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: 25.40 X 25.40 MM, 2.54 MM HEIGHT, CERAMIC, QFP-72
文件頁數(shù): 39/60頁
文件大小: 457K
代理商: BU-61845G4-410S
44
Data Device Corporation
www.ddc-web.com
BU-6174X/6184X/6186X
F-10/02-300
16-bit bi-directional data bus. This bus interfaces the host processor to the Enhanced
Mini-ACE/-ACE's internal registers and internal RAM. In addition, in transparent
mode, this bus allows data transfers to take place between the internal protocol/memo-
ry management logic and up to 64K x 16 of external RAM. Most of the time, the out-
puts 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
N17
D9
51
N18
D8
46
F18
D7
47
F17
D6
36
J18
D5
45
H17
D4
39
M18
D3
44
G17
D2
43
G18
D1
38
M17
D0 (LSB)
42
H18
D15 (MSB)
53
D17
D14
50
D18
D13
48
J17
D12
49
E18
D11
52
E17
TABLE 49. DATA BUS
SIGNAL NAME
DESCRIPTION
BU-6186XFX/GX
BU-6184XFX/GX
BU-6174XFX/GX
BALL
PIN
BU-61860BX
BU-61840BX
BU-61740BX
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