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AT7908E

更新时间： 2024-12-01 06:38:23

品牌	Logo	应用领域
爱特美尔 - ATMEL		控制器
页数	文件大小	规格书
50页	757K
描述
CAN Controller for Space Application

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中文翻译

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数据手册

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AT7908E 数据手册

Features

• Designed in Accordance with CAN Specification 2.0B

• CAN 2.0B Protocol Functions

• 4 Different Data Rates Using an Internal Programmable Prescaler

– 1 Mbit/s, 500 kbit/s, 250 kbit/s, 125 kbit/s

• 16 MHz Cycle Frequency

• Power-down: Sleep Mode

• CAN Bus Line Arbitration

• All Required CAN Functions:

• Error Handling:

– Stuff Bit Generation

– CRC Generation

– Acknowledge Generation

– Remote Frame

CAN Controller

for Space

Application

• 1 TX Buffer and 3 RX Buffer

• 3 Individual Acceptance Filtering

• Interrupt Outputs Can be Generated for the Following Events

– Telegram Sent Successfully

– Telegram Received Successfully

– Receive Buffer Overflow

– Bus Off Condition

AT7908E

– Error Passive Condition

• Technology: Atmel MG2RTP Radiation Hardened Sea of Gate 0.5 um

• Type: Semi-Custom Digital 5V

• Operating Frequency: 16 MHz (Test Frequency is 10MHz)

• Maximum Frequency: 18 MHz

• No Single Event Latch-up below a LET Threshold of 80 MeV/mg/cm²

• Tested up to a Total Dose of 300 Krads(si) According to MIL STD 883 Method 1019

• QML-Q and V with SMD 5962-03A06

• Package: MLCC 44 pins

Description

The AT7908E is a CAN controller stand-alone device for space application. Redun-

dant structures and special techniques are implemented in order to make the device

SEU tolerant. The AT7908E CAN core provides all CAN 2.0B protocol functions

except the overload frame generation. It includes the acceptance filtering. The core

incorporates error-handling capabilities, the stuff bit generation, CRC, multiple sample

points and remote frame generation. The AT7908E provides a programmable MCU 8-

bit general-purpose interface to connect receive and transmit buffer, control register

and status register to CPU.

The AT7908E was designed by Aurelia Microelettronica S.p.A., Italy, and the chip is

known as CASA (CAN ASIC for Space Application).

4268D–AERO–11/09

12 3 4 5 6 7...50

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