參數(shù)資料
型號(hào)： T7906EKT
廠商： ATMEL CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： Single Point to Point IEEE 1355 High Speed Controller
中文描述： 3 CHANNEL(S), 200M bps, SERIAL COMM CONTROLLER, CQFP100
封裝： CERAMIC, MQFP-100
文件頁(yè)數(shù)： 4/42頁(yè)
文件大?。?/td> 339K
代理商： T7906EKT
4
T7906E
Rev. A
–
27-Aug.-01
Communication device for microprocessors
Many applications require a link front end providing one link, but no controller instance
on that unit. Due to the communication memory interface of the SMCS
lite
, it is also sat-
isfying the requirements of these applications. Due to its small package and low power
consumption it is an excellent alternative to FPGA based solutions. A system using the
SMCS
lite
as a communication front-end for a microcontroller is shown in the figure
below:
Figure 2.
Example application
Interfaces
FIFO interface
The FIFO interface provides the control signals full, write, empty and read, depending
on the direction of the data flow (receive/transmit).
Data received from the FIFO interface is sent over the IEEE-1355 link grouped in pack-
ets. The length of a packet (in bytes) can be specified either by setting an internal
counter or by external signals. This interface can be programmed to use 0 to 7 wait
states.
ADC/DAC interface
The ADC interface allows to connect an ADC with a width of up to 16 bits directly to the
T7906E. The AD conversion can be started by request via link or in a cyclic manner trig-
gered by the on-chip timers. When the AD conversion is ready, this is recognized by an
external signal like "ready" or by an internal trigger, for example from the on-chip timer.
After reading the sample from the ADC it is then sent over the link. An 8-bit address gen-
erator is provided to allow multiplexing of analog signals. The address generator will
start at a pre-programmed start address and will be incremented after each conversion.
The DAC interface is very similar to the ADC interface. It provides up to 16 data lines
and the required control signals. The data to be sent to the DAC is received from the link
and is stored in a register until the command "start DAC" is received. After that com-
mand the register values will be put to the DAC.
相關(guān)PDF資料
PDF描述
T7906EKT-E Single Point to Point IEEE 1355 High Speed Controller
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T7906EKT/883 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:Single Point to Point IEEE 1355 High Speed Controller
T7906EKT/SB 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:Single Point to Point IEEE 1355 High Speed Controller
T7906EKT/SC 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:Single Point to Point IEEE 1355 High Speed Controller
T7906EKT-E 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:Single Point to Point IEEE 1355 High Speed Controller
T7906EKTMQ 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:Single Point to Point IEEE 1355 High Speed Controller
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