RX610 Group
14. I/O Ports
R01UH0032EJ0120 Rev.1.20
Page 450 of 1006
Feb 20, 2013
PCR
DDR
DR
Port D: PD0 to PD7
Port E: PE0 to PE7
Port C: PC0 to PC7
PCR
DDR
DR
Peripheral module output
signal
Enabling a peripheral
module output
*1
Internal bus
Internal bus
ODR
External bus read access
External bus read data
Peripheral module input signal
Port read input signal
ICR
Port read signal
Peripheral module output signal
Port read input signal
ICR
Port read signal
Note 1: Control signal for NMOS open-drain output
Figure 14.5 I/O Port Configuration (4)