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參數(shù)資料
| 型號(hào)： | AS2702-20 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 其它接口 |
| 英文描述： | Actuator sensor interface; Package Type: SOIC-20 |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大小： | 134K |
| 代理商： | AS2702-20 |
AS2702 – AS-Interface Slave IC
Revision 1.3, 21-Aug-08
Page 12 of 13
AS-Interface Bus Communication
All slaves connected to an AS-Interface bus are sequentially and cyclicly called by the master in a string of individual transactions
between the master and each slave unit.
A transaction consists of a 14 bits master request, typically containing the slave’s address as well as data or parameter info, and an
immediate acknowledging slave response of 7 bits.
The 14 bits master request – apart from Start Bit ST = 0 and End Bit EB = 1 – has the following contents:
1 Control Bit CB:
CB = 0 stands for data transfer (typ. data or parameters)
CB = 1 identifies command-type requests
5 Address Bits:
A4, …, A0
5 Information Bits:
I4, …, I0 (typ. data or parameters)
1 Parity Bit PB
AS2702 allows for up to 62 slaves on the same AS-Interface bus; this requires a slave address extended to 6 bits, hence an extra
bit beyond A4, …, A0.
Information bit I3 is used as the 6
th
address bit in this so-called extended address mode. It is called Sel-bit, as it is perceived as to
select between A-slave (Sel = 0) and B-slave (Sel = 1) at address location A4, …, A0.
In non-extended address mode AS2702 is addressed with A4, …, A0 only – for a max. total of 31 slaves per AS-Interface bus
system, and is system compatible with existing slave device AS2701A.
The 7 bits slave response – apart from Start Bit ST = 0 and End Bit EB = 1 – has the following contents:
4 Information Bits:
I4, …, I0 (typ. data or parameters)
1 Parity Bit PB
Application Support
For general information and documentation on the AS-Interface concept you may contact the AS-Interface Association:
AS-International Association
Zum Taubengarten 52
D-63571 Gelnhausen
Tel.: +49-6051-473212
Fax: +49-6051-473282
e-mail:
info@as-interface.net
http://
www.as-interface.net
Ordering Information
AS2702-20T
AS2702-16T
AS2702-20
AS2702-16
Package:
Package:
Package:
Package:
SOIC 20; delivery: tape & reel
SOIC 16W; delivery: tape & reel; no parameter port available
SOIC 20; delivery: tubes
SOIC 16W; delivery: tubes; no parameter port available
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2702 | AS-Interface Slave IC |
| AS2702-16T | AS-Interface Slave IC |
| AS2702-20T | AS-Interface Slave IC |
| AS29F010-150TC | 5V 128K x 8 CMOS FLASH EEPROM |
| AS29F010-120TC | 5V 128K x 8 CMOS FLASH EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS2702-20T | 制造商:ams 功能描述:IC INDUSTRIAL BUS 20-SOIC |
| AS2702-20-T | 功能描述:異步串行接口 - ASI RoHS:否 制造商:ams |
| AS2702TR-20 | 制造商:ams 功能描述: |
| AS2710U600 Ohm0.5DB | 制造商:Teikoku Tsushin Kogyo 功能描述: |
| AS2710U6001/2DB | 制造商:Teikoku Tsushin Kogyo 功能描述: |
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