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INTEDG 数据表(PDF) 228 Page - Microchip Technology |
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INTEDG 数据表(HTML) 228 Page - Microchip Technology |
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228 / 478 page ![]() PIC16(L)F1946/47 DS41414D-page 228 2010-2012 Microchip Technology Inc. 23.4.2 FULL-BRIDGE MODE In Full-Bridge mode, all four pins are used as outputs. An example of Full-Bridge application is shown in Figure 23-10. In the Forward mode, pin CCPx/PxA is driven to its active state, pin PxD is modulated, while PxB and PxC will be driven to their inactive state as shown in Figure 23-11. In the Reverse mode, PxC is driven to its active state, pin PxB is modulated, while PxA and PxD will be driven to their inactive state as shown Figure 23-11. PxA, PxB, PxC and PxD outputs are multiplexed with the PORT data latches. The associated TRIS bits must be cleared to configure the PxA, PxB, PxC and PxD pins as outputs. FIGURE 23-10: EXAMPLE OF FULL-BRIDGE APPLICATION PxA PxC FET Driver FET Driver V+ V- Load FET Driver FET Driver PxB PxD QA QB QD QC |
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