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参数资料
| 型号： | AS5140 PB |
| 厂商： | ams |
| 文件页数： | 20/38页 |
| 文件大小： | 0K |
| 描述： | BOARD PROGRAM AS5140 |
| 标准包装： | 1 |
| 模块/板类型： | 插槽适配器 |
| 适用于相关产品： | AS5000 编程器，AS5140 |
| 其它名称： | AS5140H PB-ND |
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AS5140H
Data Sheet - D e t a i l e d D e s c r i p t i o n
7.6 Programming the AS5140H
Note: A detailed description of the austriamicrosystems low voltage polyfuse OTP programming method is given in Application Note AN514X-
10, which can be downloaded from the austriamicrosystems website. The OTP programming description in this datasheet is for general
information only.
After power-on, programming the AS5140H is enabled with the rising edge of CSn with Prog = high and CLK = low. The AS5140H programming
is a one-time-programming (OTP) method, based on polysilicon fuses. The advantage of this method is that a programming voltage of only 3.3V
is required for programming. The OTP consists of 52 bits, of which 21 bits are available for user programming. The remaining 31 bits contain
factory settings and a unique chip identifier (Chip-ID).
A single OTP cell can be programmed only once. Per default, the cell is “0”; a programmed cell will contain a “1”. While it is not possible to reset
a programmed bit from “1” to “0”, multiple OTP writes are possible, as long as only unprogrammed “0”-bits are programmed to “1”. Independent
of the OTP programming, it is possible to overwrite the OTP register temporarily with an OTP write command at any time. This setting will be
cleared and overwritten with the hard programmed OTP settings at each power-up sequence or by a LOAD operation.
The OTP memory can be accessed in several ways:
Load Operation : The Load operation reads the OTP fuses and loads the contents into the OTP register. Note that the Load operation is
automatically executed after each power-on-reset.
Write Operation : The Write operation allows a temporary modification of the OTP register. It does not program the OTP. This operation can
be invoked multiple times, and will remain set while the chip is supplied with power and while the OTP register is not modified with another
Write or Load operation.
Read Operation : The Read operation reads the contents of the OTP register, for example to verify a Write command or to read the OTP
memory after a Load command.
Program Operation : The Program operation writes the contents of the OTP register permanently into the OTP ROM.
Analog Readback Operation : The Analog Readback operation allows a quantifiable verification of the programming. For each pro-
grammed or unprogrammed bit, there is a representative analog value (in essence, a resistor value) that is read to verify whether a bit has
been successfully programmed or not.
7.6.1
OTP Memory Assignment
Table 19. OTP Bit Assignment
Bit
51
50
49
48
47
46
:
37
36
35
:
31
Symbol
mbit1
Md0
Md1
Div0
Div1
Index
Z0
:
Z9
CCW
RA0
:
RA4
Function
Factory Bit
Incremental Output Mode Selection
10 bit Zero Position
Direction
Redundancy Address
30
:
18
www.austriamicrosystems.com/AS5140H
FS 0
FS 1
FS 12
Revision 1.4
Factory Bit
Factory Bit
Factory Bit
19 - 37
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5140-SS_EK_AB | 功能描述:AS5140 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:串行 灵敏度:- 电压 - 电源:5V 嵌入式:否 所含物品:板 使用的 IC/零件:AS5140 标准包装:1 |
| AS5140-SS_EK_DB | 功能描述:AS5140 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:USB 灵敏度:- 电压 - 电源:5V USB 或 9V 嵌入式:是，MCU，8 位 所含物品:板，线缆 使用的 IC/零件:AS5140 标准包装:1 |
| AS51430FLF | 制造商:TT Electronics / IRC 功能描述:AS51430FLF |
| AS51430HLF | 制造商:TT Electronics / IRC 功能描述:AS51430HLF |
| AS51430JLF | 制造商:TT Electronics / IRC 功能描述:AS51430JLF |
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