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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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L99H01 数据表(PDF) 7 Page - STMicroelectronics |
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L99H01 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 53 page  DocID15567 Rev 6 7/53 L99H01 Block diagram and pin description 52 1 Block diagram and pin description Figure 1. Block diagram 1.1 Pinout PowerSSO-36 Table 2. Pin definitions and functions Pin Symbol Function 1 GND Ground. Reference potential, connected to slug. 2 GNDD Digital ground. Reference potential. 3VCCD Logic voltage supply 3.3 V/5 V: for this input a ceramic capacitor as close as possible to GND is recommended. 4VCC Analog voltage supply 3.3 V/5 V: for this input a ceramic capacitor as close as possible to GND is recommended. 5 EN Enable input. The enable input has a pull-down resistor. 6DIR Direction select input for H-bridge control. This input has a pull-down current. 7 PWM PWM input for H-bridge control. This input has a pull-down current. 8CSN Chip select not input: this input is low active and requires CMOS logic levels. The serial data transfer between L99H01 and microcontroller is enabled by pulling the input CSN to low-level. This input has a pull-up current. |
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