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HD404618TF Datasheet(PDF) 43 Page - Renesas Technology Corp |
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HD404618TF Datasheet(HTML) 43 Page - Renesas Technology Corp |
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43 / 91 page  HD404618 Series 41 Table 20 Programmable I/O Circuits PMRB Bit 3 (PMRB3) 0 1 DCR 01 01 PDR 0 1010 101 CMOS Buffer PMOS (A) — — — On — — — On NMOS (B) — — On — — — On — Pull-up MOS Transistor — ———— On —On Notes: 1. —: Off 2. Various I/O methods can be selected by different combinations of settings of the above mode registers (PMRB3, DCR, PDR). 3. The PMOS (A) transistor of the R1 2/SO pin can be turned off by setting bit 2 of the miscellaneous register (MIS) to 1. MIS Bit 2 R0 2/SO Pin PMOS (A) 0On 1 Off 4. The relationships between DCRs and pins are as shown below. DCR Bit 3 Bit 2 Bit 1 Bit 0 DCR0 R0 3 R0 2 R0 1 R0 0 DCR1 R1 3 R1 2 R1 1 R1 0 DCR2 R2 3 R2 2 R2 1 R2 0 DCR3 R3 3 R3 2 R3 1 R3 0 DCRB D 3 D 2 D 1 D 0 DCRC D 7 D 6 D 5 D 4 DCRD — — D 9 D 8 |
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