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CP3UB26 Datasheet(PDF) 68 Page - National Semiconductor (TI) |
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CP3UB26 Datasheet(HTML) 68 Page - National Semiconductor (TI) |
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68 / 268 page  www.national.com 68 In the descriptions of the ports and port registers, the lower- case letter “x” represents the port designation, either B, C, E, F, G, H, or J. For example, “PxDIR register” means any one of the port direction registers: PBDIR, PCDIR, PEDIR, PFDIR, PGDIR, PHDIR, or PJDIR. Table 29 Port Registers Name Address Description PBALT FF FB00h Port B Alternate Function Register PBDIR FF FB02h Port B Direction Register PBDIN FF FB04h Port B Data Input Register PBDOUT FF FB06h Port B Data Output Register PBWPU FF FB08h Port B Weak Pull-Up Register PBHDRV FF FB0Ah Port B High Drive Strength Register PBALTS FF FB0Ch Port B Alternate Function Select Register PCALT FF FB10h Port C Alternate Function Register PCDIR FF FB12h Port C Direction Register PCDIN FF FB14h Port C Data Input Register PCDOUT FF FB16h Port C Data Output Register PCWPU FF FB18h Port C Weak Pull-Up Register PCHDRV FF FB1Ah Port C High Drive Strength Register PCALTS FF FB1Ch Port C Alternate Function Select Register PEALT FF FCC0h Port E Alternate Function Register PEDIR FF FCC2h Port E Direction Register PEDIN FF FCC4h Port E Data Input Register PEDOUT FF FCC6h Port E Data Output Register PEWPU FF FCC8h Port E Weak Pull-Up Register PEHDRV FF FCCAh Port E High Drive Strength Register PEALTS FF FCCCh Port E Alternate Function Select Register PFALT FF FCE0h Port F Alternate Function Register PFDIR FF FCE2h Port F Direction Register PFDIN FF FCE4h Port F Data Input Register PFDOUT FF FCE6h Port F Data Output Register PFWPU FF FCE8h Port F Weak Pull-Up Register PFHDRV FF FCEAh Port F High Drive Strength Register PFALTS FF FCECh Port F Alternate Function Select Register PGALT FF F300h Port G Alternate Function Register PGDIR FF F302h Port G Direction Register PGDIN FF F304h Port G Data Input Register PGDOUT FF F306h Port G Data Output Register PGWPU FF F308h Port G Weak Pull-Up Register PGHDRV FF F30Ah Port G High Drive Strength Register PGALTS FF F30Ch Port G Alternate Function Select Register PHALT FF F320h Port H Alternate Function Register PHDIR FF F322h Port H Direction Register PHDIN FF F324h Port H Data Input Register PHDOUT FF F326h Port H Data Output Register PHWPU FF F328h Port H Weak Pull-Up Register PHHDRV FF F32Ah Port H High Drive Strength Register PHALTS FF F32Ch Port H Alternate Function Select Register PJALT FF F340h Port J Alternate Function Register PJDIR FF F342h Port J Direction Register PJDIN FF F344h Port J Data Input Register PJDOUT FF F346h Port J Data Output Register PJWPU FF F348h Port J Weak Pull-Up Register PJHDRV FF F34Ah Port J High Drive Strength Register PJALTS FF F34Ch Port J Alternate Function Select Register Table 29 Port Registers Name Address Description |
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