參數(shù)資料
型號(hào)： CT1611-FP
廠商： Aeroflex Inc.
英文描述： DMA Controller with Buffer Memory,MIL-STD-1750A Compatible
中文描述： DMA控制器與緩沖存儲(chǔ)器，符合MIL - STD - 1750A兼容
文件頁(yè)數(shù)： 11/24頁(yè)
文件大?。?/td> 291K
代理商： CT1611-FP
11
SCDCT1611 Rev A
RTU Mode
1.
Conditions for Busy
When the CT1611 is declared busy, the DMA data transfer operation is inhibited. Mode data is stored in internal registers, and is
therefore unaffected by busy. The bust bit is located in the Operation Register.
1.1
Busy Set by I/O and POR/RESET
1.2
DMA not complete
(This in general should never occur).
1.3
FIFO Test
1.4
Receive Commands
If a Terminal is declared busy during the reception of a valid message, that message will be received and a DMA
request will be generated.
Data will be held indefinately until the DMA request is acknowledged.
Once the DMA is completed, a valid message received interrupt will be generated.
1.5
Transmit Commands
If the subsystem is going to enter a non-interruptable mode and therefore declares itself busy and the condition exists
that a transmit command may be received "simultaneously", the subsystem should wait 6μsec before beginning. (If a
DMA request is not made during this time, none will be made until the terminal is declared not busy).
This insures:
a.
HSFAIL will not occur because of the busy condition missing the command word.
b.
DMA issued, that can’t be acknowledged at a "non-interruptable time" by the microprocessor subsystem.
(Read Only)
Sync Word
XX3A
1. Mode Data
-to be received
2. Same as returned mode in BC mode
(Write Only)
Reset I
XX2E
Resets CT1611 interface only
(Write Only)
Reset II
XX2C
Resets CT1611 and CT1610 front end, will reset bits in returning
status word such as "TF" flag. Same as hard wired master reset used
on power up.
(Read or Write)
Operational word
XX0A
Defines BC mode and RTU mode.
Data
FFF0 = RTU
FFF1 = BC
Note: Powers up and is reset to busy RTU.
Summary of I/O Commands for CT1611 1553B Interface
(All Codes HEX)
Bus Controller I/O
Address
Code
(8 Bit Mode)
Description
相關(guān)PDF資料
PDF描述
CT1698 CT1698 MIL-STD-1397 Type E 10MHz Low Level Serial Interface
CT1698FP CT1698 MIL-STD-1397 Type E 10MHz Low Level Serial Interface
CT1775 CT1775 Universal MacAir/1553 Dumb RTU Hybrid
CT1815 CT1815 10MHz Low Level Serial Interface for MIL-STD-1397 Type D
CT1815FP CT1815 10MHz Low Level Serial Interface for MIL-STD-1397 Type D
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CT1612 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MIL-STD-1553/ARINC Bus Controller/RTU
CT1612DB38400C0FLHA1 功能描述:CRYSTAL UNIT WITH THERMISTOR, 1. 制造商:avx corp/kyocera corp 系列:* 零件狀態(tài):新產(chǎn)品 標(biāo)準(zhǔn)包裝:1
CT1612FP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MIL-STD-1553/ARINC Bus Controller/RTU
CT1616 制造商:EDSYN 功能描述:
CT16-16P 制造商:ITT Interconnect Solutions 功能描述:330-0351-016
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