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ST10F280 Datasheet(PDF) 117 Page - STMicroelectronics |
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ST10F280 Datasheet(HTML) 117 Page - STMicroelectronics |
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117 / 239 page ![]() ST10F280 Parallel ports Doc ID 8673 Rev. 3 117/239 Devices with CAN interfaces use 2 pins of Port 4 to interface each CAN Module to an external CAN transceiver. In this case the number of possible segment address lines is reduced. The table below summarizes the alternate functions of Port 4 depending on the number of selected segment address lines (coded via bitfield SALSEL). . Figure 38. Port 4 I/O and alternate functions Table 20. Port 4 alternate functions Port 4 pin Std. Function SALSEL=01 64 KB Altern. Function SALSEL=11 256KB Altern. Function SALSEL=00 1MB Altern. Function SALSEL=10 16MB P4.0 P4.1 P4.2 P4.3 P4.4 P4.5 P4.6 P4.7 GPIO GPIO GPIO GPIO GPIO/CAN2_RxD GPIO/CAN1_RxD GPIO/CAN1_TxD GPIO/CAN2_TxD Seg. Address A16 Seg. Address A17 GPIO GPIO GPIO/CAN2_RxD GPIO/CAN1_RxD GPIO/CAN1_TxD GPIO/CAN2_TxD Seg. Address A16 Seg. Address A17 Seg. Address A18 Seg. Address A19 GPIO/CAN2_RxD GPIO/CAN1_RxD GPIO/CAN1_TxD GPIO/CAN2_TxD Seg. Address A16 Seg. Address A17 Seg. Address A18 Seg. Address A19 Seg. Address A20 Seg. Address A21 Seg. Address A22 Seg. Address A23 |
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