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L9912TR データシート(PDF) 13 Page - STMicroelectronics |
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L9912TR データシート(HTML) 13 Page - STMicroelectronics |
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13 / 84 page  DocID029639 Rev 2 13/84 L9912 Pin description 83 As shown in the picture, the following pin groups must be connected through external wiring. VDD and GND pins in the block diagram are generic references to the relevant pin groups of the above table. 43 PD2/EXC_IN Excitation input: connect to PD3/PD4/EXC_OUT 44 PD3/PD4/EXC_OUT Excitation output: connect to PD2/EXC_IN Table 3. Group of pins externally connected Signal Pins VDD 9 (VDD) 10 (VDDIO) 11 (VDDA) 38 (VDD_CAP) GND 23 (GND) 6 (VSS/VSSIO_1) 12 (VSS_A) Exposed PAD V18 7 (1V8_CORE) 8 (V8_VCAP) nRST 4 (nRST) 39 (nRST_SP) LIN_TX 1 (LIN_TX) 41 (LIN_TX_SP) LIN_RX 2 (LIN_RX) 40 (LIN_RX_SP) Table 2. Pin function (continued) N° Pin name Function |
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