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AS5030
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
8.2.2
16-bit Write Command
These settings are temporary; they cannot be programmed permanently. The settings will be lost when the power supply is removed.
Command
Bin
Hex
D15
D14
D13 D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
EN PROG
10000
10
1
0
0
0
1
1
0
0
1
0
1
0
1
1
1
0
SET PWR
MODE
DIS HYST
10001
10011
11
13
ULP/
LPn
HYS
PSM
0
0
DIS AGC
10101
15
0
0
0
0
0
rst
0
0
0
AGC 5:0
FA
EN PROG command must be sent with a fixed 16-bit code (8CAE H ) to enable subsequent OTP access.
ULP/LP n selects the Ultra-low Power Mode, when bit PSM is set: 0 = Low Power Mode, 1 = Ultra-low Power Mode
PSM enables power saving modes: 0 = normal operation, 1 = reduced power mode selected by bit ULP/LPn
HYS disables the hysteresis of the digital serial and PWM outputs:
0 (default) = 1-bit hysteresis, 1 = no hysteresis
DIS AGC disables the automatic gain control. The AGC will be frozen to a gain setting written in bits AGC 5:0 (D6:D1), bit FA must be set.
rst General Reset: 0 = normal operation, 1 = perform general reset (required after return from reduced power modes)
FA Freeze AGC; 0 = normal operation, 1= freeze AGC with the values stored in bits AGC 5:0. The PWM output will be invalid when bit FA is set.
8.2.3
18-bit OTP Read Commands
Note: To prohibit unintentional access to the OTP register, OTP PROG/write access is only enabled after the EN PROG command has been
sent. OTP access is locked again by sending a RD ANGLE or SET PWR MODE command.
EN PROG need not to be sent before a READ OTP.
During the 18bit OTP read/write transfer, each bit needs 4 clock pulses to be validated.
Command
Bin
Hex
D17
D16
D15
D14 D13 D12 D11 D10 D9 D8
D7
D6
D5
D4
D3
D2
D1
D0
READ OTP 01111
0F
reserved for factory settings
sens
1:0
zero position
7:0
ANALOG
OTP RD
01001
09
reserved for factory settings
sens
1:0
zero position
7:0
READ OTP reads the contents of the OTP register in digital form. The reserved area may contain any value
ANALOG OTP RD reads the contents of the OTP register as an analog voltage at pin PROG
sens reads the sensitivity setting of the Hall elements: 00 = low sensitivity, 11 = high sensitivity
zero position reads the programmed zero position; the actual angle of the magnet which is displayed as 000
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