參數資料
型號: AS5013-IQFT-1000
廠商: ams
文件頁數: 24/32頁
文件大?。?/td> 1012K
描述: IC ENCODER HALL SENSOR 16-QFN
標準包裝: 1,000
系列: EasyPoint™
傳感范圍: 30mT ~ 120mT
類型: 專用型
電源電壓: 2.7 V ~ 3.6 V
電流 - 電源: 190µA
輸出類型: 數字式,開漏極
特點: 低功率
工作溫度: -20°C ~ 80°C
封裝/外殼: 16-UQFN 裸露焊盤
供應商設備封裝: 16-QFN(4x4)
包裝: 帶卷 (TR)
www.ams.com/AS5013
Revision 1.11
24 - 32
AS5013
Datasheet - I睠 Registers
8.15 Registers Initialization
After Power Up, the following sequence must be performed:
1. VDD and VDDp Power up, and reached their nominal values (VDD>2.7V, VDDp>1.7V).
2. RESETn LOW during >100ns
3. Delay 1000祍
4. Loop check register [0Fh] until the value F0h or F1h is present (reset finished, registers to their default values)
5. Optional: Write value 86h into register [2Eh] ?Invert magnet polarity. See Control Register 2 (2Eh) on page 22.
6. Configure register [2Bh] ?Configure M_ctrl middle hall element control
7. Configure register [2Ch] ?Configure J_ctrl attenuation factor
8. Configure register [2Dh] ?Configure T_ctrl scaling factor
9. Configure the wanted Power Mode into register [0Fh] (Idle mode or Low Power Mode with Timebase configuration)
10. X Y coordinates are ready to be read.
Note:   In order to detect if the magnet polarity is correct, read the C5 middle hall element when the magnet is centered. 
C5 = (C5_pos  C5_neg) / 2
With: C5_pos = (c5_pos[11:8] << 8) | c5_pos[7:0]
  C5_neg = (c5_neg[11:8] << 8) | c5_neg[7:0]
C5 must always be positive.
If C5 is negative, then invert the bit inv_spinning in the Control Register 2 (2Eh). C5 will become positive.
8.16 Registers Table
The following registers / functions are accessible over the serial I睠 interface.
Table 6. Registers
Register
Number
of bits
Access
Address
Format
Reset
Value
Bit
Description
IC Identification
ID Code
8
R
0C
0Ch
<7:0>
8-bit Manufacture ID Code
ID Version
8
R
0D
0Dh
<7:0>   8-bit Component ID Version
Silicon Revision
8
R
0E
00h
<7:0>   8-bit Silicon Revision
Control_register_1
Idle
1
R/W
0Fh
1b
<7>
1: Idle mode
0: Low Power mode
Low_power_timebase
3
R/W
0Fh
111b
<6:4>
Low Power readout time base register
INT_disable
1
R/W
0Fh
0b
<3>
Disables the interrupt functionality.
1: Interrupt disabled
0: Interrupt enabled
INT_function
1
R/W
0Fh
0b
<2>
Interrupt control register
0: interrupt goes low with every new calculated x/y
coordinates
1: interrupt pin goes low in when new x/y coordinates
are calculated and the magnet has exited the xp, xn,
yp, yn threshold values
soft_rst
1
R/W
0Fh
0b
<1>
Soft Reset
0: Normal mode
1: all registers return to their respective reset value
data_valid
1
R
0Fh
0b
<0>    Data valid indicator
0: X/Y calculation ongoing
1: X/Y calculation finished, coordinates ready
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