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參數(shù)資料
| 型號： | AS5043 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 同步/旋轉傳感器 |
| 英文描述： | 10-bit (SSI, analog) |
| 中文描述： | 可編程360Σ式磁角編碼器的絕對小型工業(yè)和模擬輸出 |
| 文件頁數(shù)： | 9/36頁 |
| 文件大?。?/td> | 719K |
| 代理商： | AS5043 |
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AS5043
Data Sheet – Daisy Chain Mode
www.austriamicrosystems.com
Revision 1.80
9 – 36
10 Daisy Chain Mode
The Daisy Chain Mode allows connection of several AS5043’s in series, while still keeping just one digital input for data
transfer (see “Data IN” in Figure 6 ). This mode is accomplished by connecting the data output (DO; pin 9) to the data
input (PROG; pin 8) of the subsequent device. An RC filter must be implemented between each PROG pin of device n
and DO pin of device n+1, to prevent then encoders to enter the alignment mode, in case of ESD discharge, long cables,
not conform signal levels or shape. Using the values R=100R and C=1nF allow a max. CLK frequency of 1MHz on the
whole chain. The serial data of all connected devices is read from the DO pin of the first device in the chain. The length of
the serial bit stream increases with every connected device, it is
n * (16+1) bits:
e.g. 34 bit for two devices, 51 bit for three devices, etc…
The last data bit of the first device (Parity) is followed by a dummy bit and the first data bit of the second device (D9),
etc… (see Figure 7).
Figure 6: Daisy Chain Hardware Configuration
CSn
PROG
DI
CLK
CSn
DO
CLK
CSn
DO
CLK
PROG
CSn
DO
CLK
PROG
100R
100R
1nF
1nF
GND
GND
GND
MCU
AS5043
AS5043
AS5043
Figure 7: Daisy Chain Data Transfer Timing Diagram
Even
PAR
CSn
CLK
DO
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
1
8
16
COF
LIN
OCF
Mag
INC
Mag
DEC
1
t
CLK FE
Angular Position Data
Status Bits
T
CLK/2
t
DO active
t
DO valid
D
2
D9
D8
D7
1
st
Device
2
nd
Device
3
Angular Position Data
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| AS5043 AB | 功能描述:BOARD ADAPTER AS5043 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 傳感器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
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