参数资料
型号: AS5134 DB
厂商: ams
文件页数: 10/33页
文件大小: 0K
描述: BOARD DEMO AS5134
产品培训模块: AS5134 Overview
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: AS5134
AS5134
Datasheet - D e t a i l e d D e s c r i p t i o n
7.3 Serial 3-Wire Read-only Connection
This connection is possible when the AS5134 is only used to provide the angular data (no power down or OTP access). The Chip Select (CS)
and Clock (DCLK) connection is the same as in the R/W mode, but only a digital input pin (not an I/O pin) is required for the DIO connection. As
the first 5 bits of the data transmission are command bits sent to the AS5134, both the microcontroller and the AS5134 are configured as digital
inputs during this phase. Therefore, a pull-down resistor must be added to make sure that the AS5134 reads “00000” as the first 5 bits, which
sets the Read_Angle command.
Note: All further application examples are shown in R/W mode, however read-only mode is also possible unless otherwise noted.
Figure 5. SSI Read-only Serial Data Transmission
+5V
VDD
VDD
Output
CS
VDD
Output
Input
DCLK
DIO
100nF
VSS
10k…
100k
C2
VSS
VSS
command phase
data phase
DCLK
1
2
3
4
5
6
7
8
20
21
CS
DIO
t1
t9
t10
DIO read
DIO
D15
D14
D13
D12
D1
D0
DIO write
Table 6. 2-or 3-wire Read-only Serial Bit Sequence (21bit read)
Command
Read Data
C4
C3
C2
C1
C0
D15 D14 D13 D12 D11 D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
lock
AGC
Angle
www.austriamicrosystems.com/AS5134
Revision 2.3
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