Datasheet > AS8202NF

AS8202NF

更新时间： 2024-09-24 06:37:55

品牌	Logo	应用领域
艾迈斯 - AMSCO		通信控制器
页数	文件大小	规格书
20页	589K
描述
TTP-C2NF Communication Controller

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AS8202NF 数据手册

Data Sheet

AS8202NF

TTP-C2NF Communication Controller

ꢀ

40 MHz main clock with support for 10 MHz crystal,

10 MHz oscillator or 40 MHz oscillator

1 General Description

The AS8202NF communication controller is an

integrated device supporting serial communication

according to the TTP specification version 1.1. It

performs all communication tasks such as reception and

transmission of messages in a TTP cluster without

interaction of the host CPU. TTP provides mechanisms

that allow the deployment in high-dependability

distributed real-time systems. It provides the following

services:

ꢀ

16 MHz bus guardian clock with support for 16 MHz

crystal or 16 MHz oscillator

ꢀ

Single power supply 3.3V, 0.35µm CMOS process

Full automotive temperature range (-40ºC to 125ºC)

16k x 16 SRAM for message, status, control area

(communication network interface) and for

scheduling information (MEDL)

ꢀ

4k x 16 (plus parity) instruction code RAM for

protocol execution code

ꢀ Predictable transmission of messages with minimal

jitter

ꢀ

Data sheet conforms to protocol revision 2.04

ꢀ Fault-tolerant distributed clock synchronization

ꢀ Consistent membership service with small delay

ꢀ Masking of single faults

16k x 16 instruction code ROM containing startup

execution code and deprecated protocol code

revision 1.00

ꢀ

16 Bit non-multiplexed asynchronous host CPU

interface

2 Key Features

ꢀ Dual-channel controller for redundant data transfers

ꢀ

16 Bit RISC architecture

Software tools, design support, development boards

available (www.tttech.com)

ꢀ Dedicated controller supporting TTP (time-triggered

ꢀ

Certification support package according to RTCA/

DO-254 DAL A available (www.tttech.com)

protocol class C)

ꢀ Suited for dependable distributed real-time systems

80 pin LQFP80 Package

with guaranteed response time

ꢀ Asynchronous data rate up to 5 Mbit/s (MFM/

Manchester)

3 Applications

Application fields: automotive (by-wire braking, steering,

vehicle dynamics control, drive train control), aerospace

(aircraft electronic systems), industrial systems, railway

systems.

ꢀ Synchronous data rate 5 to 25 Mbit/s

ꢀ Bus interface (speed, encoding) for each channel

selectable independently

Figure 1. Block Diagram

D[15:0]

RxD[1:0]

RXCLK[1:0]

RxDV[1:0]

RXER[1:0]

Receiver

Host

Processor

Interface

A[11:0]

CEB

OEB

WEB

READYB

INTB

TTP Bus

Media

Drivers

TTP

Protocol

processor core

Communication

network

XIN1

XOUT1

Bus guardian

Transmitter

LED[2:0]

RAM_CLK_TESTSE

USE_RAM_CLK

interface

(CNI)

TxD[1:0]

CTS[1:0]

TxCLK[1:0]

AS8202NF

RAM_CLK_TESTSE

FTEST

Instruction

memory

RAM & ROM

Test

Interface

XIN0

XOUT0

PLLOFF

STEST

Quartz or

Oscillator

Interface

FIDIS

TTEST

RESETB

www.austriamicrosystems.com and

TTTech Computertechnik AG

Revision 2.1

1 - 20

12 3 4 5 6 7...20

中文翻译

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与AS8202NF相关器件

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AS8202NF_14	AMSCO	获取价格	TTP-C2NF Communication Controller
AS8202NF-ALQR	AMSCO	获取价格	TTP-C2NF Communication Controller
AS8202NF-ALQT	AMSCO	获取价格	TTP-C2NF Communication Controller
AS8202NF-ALQU	AMSCO	获取价格	TTP-C2NF Communication Controller
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AS8218_1	AMSCO	获取价格	Highly Integrated Single Phase 2 Current Energy Metering Integrated Circuits
AS8218BLQS	AMSCO	获取价格	Highly Integrated Single Phase 2 Current Energy Metering Integrated Circuits
AS8218BLQW	AMSCO	获取价格	Highly Integrated Single Phase 2 Current Energy Metering Integrated Circuits

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