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参数资料
| 型号： | BU-62743B3-110W |
| 厂商： | DATA DEVICE CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, BGA128 |
| 封装： | 0.815 X 0.815 INCH, 0.140 INCH HEIGHT, 1 MM PITCH, BGA-128 |
| 文件页数： | 48/93页 |
| 文件大小： | 504K |
| 代理商： | BU-62743B3-110W |
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Data Device Corporation
62743_pre2.DOC
www.ddc-web.com
8-15-01
52
SINGLE BUFFERED MODE
The operation of the single buffered RT mode is illustrated in Figure 6. In the
single buffered mode, the respective lookup table entry must be initialized by the
host processor. Received data words are written to, or transmitted data words are
read from the data word block with starting address referenced by the lookup table
pointer. In the single buffered mode, the current lookup table pointer is not
updated by the PCI Enhanced Mini-ACE memory management logic. Therefore, if
a subsequent message is received for the same subaddress, the same Data Word
block will be overwritten or overread.
Figure 6. RT Single Buffered Mode
SUBADDRESS DOUBLE BUFFERING MODE
The PCI Enhanced Mini-ACE provides a double buffering mechanism for received
data, that may be selected on an individual subaddress basis for any and all
receive (and/or broadcast) subaddresses. This is illustrated in Figure 7. It should
be noted that the Subaddress Double Buffering mode is applicable for receive data
only, not for transmit data. Double buffering of transmit messages may be easily
implemented by software techniques.
DATA
BLOCKS
DATA BLOCK
BLOCK STATUS WORD
TIME TAG WORD
DATA BLOCK POINTER
RECEIVED COMMAND
WORD
DESCRIPTOR
STACKS
LOOK-UP
TABLE ADDR
LOOK-UP TABLE
(DATA BLOCK ADDR)
15
13
0
CURRENT
AREA B/A
CONFIGURATION
REGISTER
STACK
POINTERS
(See note)
Note: Lookup table is not used for mode commands when enhanced mode codes are enabled.
相关PDF资料 |
PDF描述 |
|---|---|
| BU-62743B3-112Q | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, BGA128 |
| BU-62743B3-112S | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, BGA128 |
| BU-62743B3-120L | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, BGA128 |
| BU-62743B3-120S | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, BGA128 |
| BU-62743B3-122W | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, BGA128 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| BU-62843 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:MIL-STD-1553 Components |PCI-Enhanced Mini-ACE? |
| BU-62864 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:MIL-STD-1553 Components |PCI-Enhanced Mini-ACE? |
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| BU-62S-0 | 功能描述:INSULATOR FOR BU-60 SERIES BLK 制造商:mueller electric co 系列:BU 零件状态:有效 类型:测试夹，引线，探针 配件类型:绝缘体，黑色 配套使用产品/相关产品:鳄鱼夹：BU-60，BU-60C，BU-60CS，BU-60PR2，BU-60S，BU-60TBO，BU-60U，BU-60X，BU-61 规格:- 标准包装:1 |
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