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H838532H 데이터시트(PDF) 219 Page - Renesas Technology Corp |
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H838532H 데이터시트(HTML) 219 Page - Renesas Technology Corp |
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219 / 508 page ![]() Section 8 I/O Ports Rev. 1.00 May 30, 2008 Page 199 of 484 REJ09B0436-0100 8.10.2 Register Configuration and Description Table 8.26 shows the port B register configuration. Table 8.26 Port B Register Name Abbr. R/W Initial Value Address Port data register B PDRB R Undefined H'FFDE Port Data Register B (PDRB) Bit Read/Write 7 PB R 6 PB R 5 PB R 4 PB R 3 PB R 0 PB R 2 PB R 1 PB R 32 1 0 76 5 4 Reading PDRB always gives the pin states. However, if a port B pin is selected as an analog input channel for the A/D converter by AMR bits CH3 to CH0, that pin reads 0 regardless of the input voltage. |
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