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T7906EKST/883

更新时间： 2024-02-20 01:01:51

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器和处理器串行IO控制器通信控制器外围集成电路数据传输时钟
页数	文件大小	规格书
42页	331K
描述
Single Point to Point IEEE 1355 High Speed Controller

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技术参数
数据手册

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T7906EKST/883 技术参数

是否Rohs认证：	不符合	生命周期：	Active
包装说明：	CERAMIC, MQFP-100	Reach Compliance Code：	not_compliant
HTS代码：	8542.31.00.01	风险等级：	5.81
Is Samacsys：	N	地址总线宽度：	1
边界扫描：	YES	最大时钟频率：	5 MHz
最大数据传输速率：	25 MBps	外部数据总线宽度：	8
JESD-30 代码：	S-CQFP-F100	JESD-609代码：	e0
长度：	19.05 mm	低功率模式：	NO
串行 I/O 数：	3	端子数量：	100
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	CERAMIC, METAL-SEALED COFIRED	封装代码：	QFF
封装等效代码：	QFL100,1.3SQ,25	封装形状：	SQUARE
封装形式：	FLATPACK	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	5 V	认证状态：	Not Qualified
筛选级别：	MIL-STD-883 Class S	座面最大高度：	2.67 mm
子类别：	Other uPs/uCs/Peripheral ICs	最大压摆率：	80 mA
最大供电电压：	5.5 V	最小供电电压：	4.5 V
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	MILITARY
端子面层：	TIN LEAD	端子形式：	FLAT
端子节距：	0.635 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	19.05 mm
uPs/uCs/外围集成电路类型：	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL	Base Number Matches：	1

T7906EKST/883 数据手册

Features

• Besides the serial IEEE-1355 link, the T7906E provides several different interface

types:

– Host interface

The host interface provides 8 multiplexed data and address lines to program

and control the T7906E locally

– FIFO interface

The FIFO interface provides the control signals FULL, WRITE, EMPTY and READ

depending on the direction of the data flow (receive / transmit)

– ADC interface

The ADC interface allows to connect an ADC with a width of up to 16 bits directly

to the T7906E

– DAC interface

Single Point to

Point IEEE 1355

High Speed

The DAC interface provides up to 16 bits data lines and the required control

signals. The data to be sent to the DAC are stored until a command “start DAC”

is received

– RAM interface

The RAM interface provides a 16-bit data bus and a 16-bit address bus. Four

chip select allow to address 4 different memory partitions. The memory interface

can be programmed to use up to 7 wait states

– UART interface

Controller

Two independent UART interfaces are included. One UART uses dedicated I/O

lines whereas the second UART is sharing its pins with the GPIO port

– General purpose I/O

T7906E

This general Purpose Interface provides up to 24 bidirectional signal lines. The

direction of each GPIO line can be set individually via register

– Timer / Event Counter

Two 32-Bit on-chip timers are available. Each timer provides a 32-Bit counter

and a 32-Bit reload register. The two timers can be operated independently or

cascaded

– JTAG (IEEE 1149.1)

For testing purposes, a standard IEEE 1149.1 interface is provided. It supports

the JTAG function Bypass, Extest, Sample/preload, All-tristate and IDCode

• Designed on Atmel MG1090E sea of gates matrix and packaged into MQFPF100

• Also called SMCS Lite (or SMCS116)

Description

The T7906E provides one IEEE-1355 serial communication link with 0 to 200 Mbit/s

data transmit rate. It supports both the standard IEEE-1355 link protocol (transparent

mode) as well as the header generation required for the enhanced transaction layer of

the TSS901E. This protocol uses specific protocol headers that can be generated by

the T7906E without requiring an external host controller. These headers are stored in

specific header registers which allows headers with a length of 0 (equaling the trans-

parent mode) to eight bytes per packet. Packetization of data sent by the T7906E over

the link is also done automatically according to the settings of a packet length register.

Another feature provided by the transaction layer supported by the T7906E is an auto-

matic checksum generation on the link. This is generated and checked automatically

by the T7906E without requiring support from a host or other external source. Errors

on the link are flagged and a special error packet is sent over the link to signal the

error condition.

Programming the T7906E internal registers is done via the IEEE-1355 link. All internal

registers are 8-bit wide addressable. Two simple commands (read and write) suffice

to access all functions and registers of the T7906E.

Rev. A – 27-Aug.-01

12 3 4 5 6 7...42

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