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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HCS08 데이터시트(PDF) 87 Page - NXP Semiconductors |
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HCS08 데이터시트(HTML) 87 Page - NXP Semiconductors |
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87 / 374 page  Chapter 6 Parallel Input/Output MC9S08JM60 Series Data Sheet, Rev. 5 Freescale Semiconductor 87 76 54 321 0 R PTBPE7 PTBPE6 PTBPE5 PTBPE4 PTBPE3 PTBPE2 PTBPE1 PTBPE0 W Reset 000 00 000 Figure 6-9. Internal Pullup Enable for Port B (PTBPE) Table 6-8. PTBPE Register Field Descriptions Field Description 7:0 PTBPE[7:0] Internal Pullup Enable for Port B Bits — Each of these control bits determines if the internal pullup device is enabled for the associated PTB pin. For port B pins that are configured as outputs, these bits have no effect and the internal pullup devices are disabled. 0 Internal pullup device disabled for port B bit n. 1 Internal pullup device enabled for port B bit n. 76 54 321 0 R PTBSE7 PTBSE6 PTBSE5 PTBSE4 PTBSE3 PTBSE2 PTBSE1 PTBSE0 W Reset 111 11 111 Figure 6-10. Output Slew Rate Control Enable (PTBSE) Table 6-9. PTBSE Register Field Descriptions Field Description 7:0 PTBSE[7:0] Output Slew Rate Control Enable for Port B Bits— Each of these control bits determine whether output slew rate control is enabled for the associated PTB pin. For port B pins that are configured as inputs, these bits have no effect. 0 Output slew rate control disabled for port B bit n. 1 Output slew rate control enabled for port B bit n. 76 54 321 0 R PTBDS7 PTBDS6 PTBDS5 PTBDS4 PTBDS3 PTBDS2 PTBDS1 PTBDS0 W Reset 0 0 0 000 00 Figure 6-11. Output Drive Strength Selection for Port B (PTBDS) Table 6-10. PTBDS Register Field Descriptions Field Description 7:0 PTBDS[7:0] Output Drive Strength Selection for Port B Bits — Each of these control bits selects between low and high output drive for the associated PTB pin. 0 Low output drive enabled for port B bit n. 1 High output drive enabled for port B bit n. |
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