R8C/20 Group, R8C/21 Group 7. Programmable I/O Ports
Rev.2.00 Aug 27, 2008 Page 39 of 458
REJ09B0250-0200
7.2 Effect on Peripheral Functions
Programmable I/O ports function as I/O of peripheral functions (refer to Table 1.6 Pin Name Information by Pin
Number).
Table 7.3 lists the Setting of PDi_j Bit when Functioning as I/O Ports for Peripheral Functions (i = 0 to 4, 6 j = 0 to
7). Refer to descriptions of each function for how to set peripheral functions.
7.3 Pins Other than Programmable I/O Ports
Figure 7.8 shows the Configuration of I/O Pins.
Table 7.3 Setting of PDi_j Bit when Functioning as I/O Ports for Peripheral Functions (i = 0 to 4, 6 j = 0 to 7)
I/O of Peripheral Functions PDi_j Bit Setting of Port shared with Pin
Input Set this bit to 0 (input mode).
Output This bit can be set to both 0 or 1 (output regardless of the port setting)
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