Section 23 I/O Ports
Rev. 4.00 Sep. 14, 2005 Page 847 of 982
REJ09B0023-0400
23.3 Port C
Port C is a 16-bit input/output port with the pin configuration shown in figure 23.3. Each pin is
controlled by the port C control register (PCCR) in the PFC.
Port C
PTC15 (input/output)/STATUS1 (output)
PTC14 (input/output)/STATUS0 (output)
PTC13 (input/output)/ASEBRKAK (output)
PTC12 (input/output)/DACK1 (output)
PTC11 (input/output)/DACK0 (output)
PTC10 (input/output)DREQ1 (input)
PTC9 (input/output)/DREQ0 (input)
PTC8 (input/output)/TEND (output)
PTC7 (input/output)/BACK (output)
PTC6 (input/output)/BREQ (input)
PTC5 (input/output)/FRAME (output)
PTC4 (input/output)/CS6B (output)
PTC3 (input/output)/CS6A (output)
PTC2 (input/output)/CS5B (output)
PTC1 (input/output)/CS5A (output)
PTC0 (input/output)/CS4 (output)
Figure 23.3 Port C
23.3.1 Register Description
Port C has the following register.
• Port C data register (PCDR)