参数资料
型号: AS5040 DB V2
厂商: ams
文件页数: 20/34页
文件大小: 0K
描述: BOARD DEMO AS5040
标准包装: 1
传感器类型: 磁性,旋转位置
传感范围: 360°
接口: USB
电源电压: 5V USB 或 9V
嵌入式: 是,MCU,8 位
已供物品: 板,线缆
已用 IC / 零件: AS5040
AS5040
Data Sheet
Table 6: One Time Programmable (OTP) Register Options
Mode
OTP-Mode-Register-Bit
Pin #
Pulses per
Revolution
Incremental
Resolution
Md1
Md0
Div1
Div0
Index
3
4
6
12
ppr
bit
Default (Mode0.0)
0
0
0*
0*
0*
1LSB
quadAB-Mode1.0
quadAB-Mode1.1
0
0
1
1
0
0
0
0
0
1
1LSB
3LSBs
2x256
10
quadAB-Mode1.2
quadAB-Mode1.3
0
0
1
1
0
0
1
1
0
1
A
B
1LSB
3LSBs
PWM
10 bit
2x128
9
quadAB-Mode1.4
quadAB-Mode1.5
quadAB-Mode1.6
quadAB-Mode1.7
Step/Dir-Mode2.0
Step/Dir-Mode2.1
0
0
0
0
1
1
1
1
1
1
0
0
1
1
1
1
0
0
0
0
1
1
0
0
0
1
0
1
0
1
1LSB
3LSBs
1LSB
3LSBs
1LSB
3LSBs
2x64
2x32
512
8
7
10
Step/Dir -Mode2.2
Step/Dir -Mode2.3
Step/Dir -Mode2.4
Step/Dir -Mode2.5
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
1
0
1
LSB
Dir
1LSB
3LSBs
1LSB
3LSBs
PWM
10 bit
256
128
9
8
Step/Dir -Mode2.6
Step/Dir -Mode2.7
1
1
0
0
1
1
1
1
0
1
1LSB
3LSBs
64
7
Commutation-
Mode3.0
Commutation-
Mode3.1
Commutation-
Mode3.2
Commutation-
Mode3.3
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
0
0
0
0
U(0o)
U’
(0o,
180o)
V(120o)
V’
(60o,
240o)
W(240o)
W’
(120o, 300o)
LSB
LSB
3x1
2x3
10
9
10
9
Note: Div1, Div0 and Index cannot be programmed in Mode 0:0
Zero Position Programming
Zero position programming is an OTP option that simplifies assembly of a system, as the magnet does not need to be
manually adjusted to the mechanical zero position. Once the assembly is completed, the mechanical and electrical
zero positions can be matched by software. Any position within a full turn can be defined as the permanent new
zero/index position.
For zero position programming, the magnet is turned to the mechanical zero position (e.g. the “off”-position of a rotary
switch) and the actual angular value is read.
This value is written into the OTP register bits Z9:Z0 (see Figure 14) and programmed as described in section 12.
This new absolute zero position is also the new Index pulse position for incremental output modes.
Note: The zero position value may also be modified before programming, e.g. to program an electrical zero position
that is 180° (half turn) from the mechanical zero position, just add 512 to the value read at the mechanical zero
position and program the new value into the OTP register.
www.austriamicrosystems.com
Revision 2.10
19 - 33
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