Output Pin Register (Odr4) - Fujitsu F2MC-16LX Hardware Manual

7.3.3

Output Pin Register (ODR4)

The output pin register (ODR4) controls open-drain in an output mode.
■ Output Pin Register (ODR4)
Port 4 output pin register
Address:00001B
H
Read/write
Initial value
Table 7.3-2 Function of the Output Pin Register (ODR4)
ODR4
0
1
Notes:
• This register has no meaning in an input mode. (Output Hi-Z)
• The data direction register (DDR) determines the I/O mode.
Figure 7.3-4 Output Pin Register (ODR4)
7 6 5
bit
OD47 OD46 OD45 OD44 OD43 OD42 OD41 OD40
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
(0) (0) (0) (0)
Sets the port as a standard output port in an output mode. [Initial value]
Sets the port as the open-drain output port in an output mode.
4 2 1
3
(0) (0) (0)
Function
7.3 I/O Port Registers
0
ODR4
(0)
143