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参数资料
| 型号： | L8229 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDSO24 |
| 封装： | LEAD FREE, SSO-24 |
| 文件页数： | 20/42页 |
| 文件大小： | 858K |
| 代理商： | L8229 |
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Obsolete
Product(s)
- Obsolete
Product(s)
L8229
L8229_0 and L8229_1 modes
8.4.1
Reading back SPI.
When W2 bit 11 to 13 are to 111, read back from SPI is enabled. This function is to check
the actual data in W0 and W1; W2 can’t be read back.
To read back the following procedure is requested:
1.
Set PROG1=1, PROG2=0
2.
Write W0 and W1 to SDI
3.
Write W2 (with bits 11, 12, 13 set to 111) to SDI. This enables read back mode from
SPI.
4.
Write 0001 1111 1111 1111 to SDI (the first three bits mean that W0 is requested to be
read out, the other bits have no sense just to fill the blank bits). This allows to check if
the SDI output is W0 bit3~15.
5.
Write W2 (with bits 11, 12, 13 set to 111) to SDI. This enables read back mode from
SPI.
6.
Write 0101 1111 1111 1111 to SDI (the first three bits mean that W1 is requested to be
read out, the other bits have no sense just to fill the blank bits). This allows to check if
the SDI output is W1 bit3~15.
If the data to be read out are the same as the data write in, it means write function of SPI is
right.
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相关代理商/技术参数 |
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| L822HW | 制造商:SUPERWORLD 制造商全称:Superworld Electronics 功能描述:HIGH CURRENT MOLDED POWER INDUCTORS |
| L822HW-1R0MF | 制造商:SUPERWORLD 制造商全称:Superworld Electronics 功能描述:HIGH CURRENT MOLDED POWER INDUCTORS |
| L822HW-1R5MF | 制造商:SUPERWORLD 制造商全称:Superworld Electronics 功能描述:HIGH CURRENT MOLDED POWER INDUCTORS |
| L822HW-2R2MF | 制造商:SUPERWORLD 制造商全称:Superworld Electronics 功能描述:HIGH CURRENT MOLDED POWER INDUCTORS |
| L822HW-3R3MF | 制造商:SUPERWORLD 制造商全称:Superworld Electronics 功能描述:HIGH CURRENT MOLDED POWER INDUCTORS |
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