Datasheet

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19.4 Port C
Port C is a 16 pin input/output port as listed in table 19.8.
Table 19.8 Port C
ROM Disabled Extended
Mode (Modes 0, 1)
ROM Enabled Extended
Mode (Mode 2) Single Chip Mode
A15 (output) PC15 (I/O)/A15 (output) PC15 (I/O)
A14 (output) PC14 (I/O)/A14 (output) PC14 (I/O)
A13 (output) PC13 (I/O)/A13 (output) PC13 (I/O)
A12 (output) PC12 (I/O)/A12 (output) PC12 (I/O)
A11 (output) PC11 (I/O)/A11 (output) PC11 (I/O)
A10 (output) PC10 (I/O)/A10 (output) PC10 (I/O)
A9 (output) PC9 (I/O)/A9 (output) PC9 (I/O)
A8 (output) PC8 (I/O)/A8 (output) PC8 (I/O)
A7 (output) PC7 (I/O)/A7 (output) PC7 (I/O)
A6 (output) PC6 (I/O)/A6 (output) PC6 (I/O)
A5 (output) PC5 (I/O)/A5 (output) PC5 (I/O)
A4 (output) PC4 (I/O)/A4 (output) PC4 (I/O)
A3 (output) PC3 (I/O)/A3 (output) PC3 (I/O)
A2 (output) PC2 (I/O)/A2 (output) PC2 (I/O)
A1 (output) PC1 (I/O)/A1 (output) PC1 (I/O)
A0 (output) PC0 (I/O)/A0 (output) PC0 (I/O)
19.4.1 Register Configuration
Table 19.9 summarizes the port C register.
Table 19.9 Port C Register
Name Abbreviation R/W Initial Value Address Access Size
Port C data register PCDR R/W H'0000 H'FFFF8392
H'FFFF8393
8, 16, 32