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HD6433644R Datasheet(PDF) 191 Page - Renesas Technology Corp |
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HD6433644R Datasheet(HTML) 191 Page - Renesas Technology Corp |
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191 / 549 page  Section 8 I/O Ports Rev. 6.00 Sep 12, 2006 page 171 of 526 REJ09B0326-0600 8.2 Port 1 8.2.1 Overview Port 1 is a 5-bit I/O port. Figure 8.1 shows its pin configuration. P1 / IRQ /TRGV P1 / IRQ P1 / IRQ P1 /PWM P1 /TMOW 7 6 5 4 0 3 2 1 Port 1 Figure 8.1 Port 1 Pin Configuration 8.2.2 Register Configuration and Description Table 8.2 shows the port 1 register configuration. Table 8.2 Port 1 Registers Name Abbr. R/W Initial Value Address Port data register 1 PDR1 R/W H'00 H'FFD4 Port control register 1 PCR1 W H'00 H'FFE4 Port pull-up control register 1 PUCR1 R/W H'00 H'FFED Port mode register 1 PMR1 R/W H'04 H'FFFC Port Data Register 1 (PDR1) Bit 7 6 5 4 3 2 1 0 P17 P16 P15 P14 P10 Initial value 0 0 0 0 0* 0* 0* 0 Read/Write R/W R/W R/W R/W R/W Note: * Bits 3 to 1 are reserved; they are always read as 0 and cannot be modified. |
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