Renesas RX600 Series, User Manual

Page: 383 / 1006

RX610 Group 14. I/O Ports
R01UH0032EJ0120 Rev.1.20 Page 383 of 1006
Feb 20, 2013
14.2.6 Open Drain Control Register (ODR)
Value after reset:
Addresses: P2.ODR 0008 C082h, PC.ODR 0008 C08Ch
b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 0 0 0
B7 B6 B5 B4 B3 B2 B1 B0
0
Bit Symbol Bit Name Description R/W
b0 B0 Pm0 Output Type Select (m = 2 and C) 0: CMOS output pin
1: NMOS open-drain output pin
R/W
b1 B1 Pm1 Output Type Select R/W
b2 B2 Pm2 Output Type Select R/W
b3 B3 Pm3 Output Type Select R/W
b4 B4 Pm4 Output Type Select R/W
b5 B5 Pm5 Output Type Select R/W
b6 B6 Pm6 Output Type Select R/W
b7 B7 Pm7 Output Type Select R/W
Each ODR is used to select an output type for the individual pins.
14.2.7 Port Function Control Register0 (PFCR0)
Value after reset:
Address: 0008 C100h
b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 0 0 0
CS7E CS6E CS5E CS4E CS3E CS2E CS1E CS0E
0
Bit Symbol Bit Name Description R/W
b0 CS0E CS0 Enable 0: Designated as an I/O port pin.
1: Designated as the CSn# output pin
(n = 0 to 7)
R/W
b1 CS1E CS1 Enable R/W
b2 CS2E CS2 Enable R/W
b3 CS3E CS3 Enable R/W
b4 CS4E CS4 Enable R/W
b5 CS5E CS5 Enable R/W
b6 CS6E CS6 Enable R/W
b7 CS7E CS7 Enable R/W
PFCR0 enables or disable CSn# output.
CSnE Bits (CSn Enable) (n = 0 to 7)
Each bit enables or disables the corresponding CSn# output.
To output a CSn signal, set the corresponding CSnE bit in PFCR0 to 1.