Analog Devices ADuCM320 Hardware Reference Manual page 100

UG-498
GPIO Port Pin Toggle Registers
Address: 0x40020020, Reset: 0x00, Name: GP0TGL
Address: 0x40020060, Reset: 0x00, Name: GP1TGL
Address: 0x400200A0, Reset: 0x00, Name: GP2TGL
Address: 0x400200E0, Reset: 0x00, Name: GP3TGL
Address: 0x40020120, Reset: 0x00, Name: GP4TGL
Address: 0x40020260, Reset: 0x00, Name: GP5TGL
Table 132. Bit Descriptions for GP0TGL, GP1TGL, GP2TGL, GP3TGL, GP4TGL, and GP5TGL
Bits Bit Name
[7:0] TGL
GPIO Port Open-Drain Enable Registers
Address: 0x40020024, Reset: 0x00, Name: GP0ODE
Address: 0x40020064, Reset: 0x00, Name: GP1ODE
Address: 0x400200A4, Reset: 0x00, Name: GP2ODE
Address: 0x400200E4, Reset: 0x00, Name: GP3ODE
Address: 0x40020124, Reset: 0x00, Name: GP4ODE
Address: 0x40020264, Reset: 0x00, Name: GP5ODE
Table 133. Bit Descriptions for GP0ODE, GP1ODE, GP2ODE, GP3ODE, GP4ODE, and GP5ODE
Bits Bit Name
[7:0] ODE
Description
Toggle the output of the port pin. The bit-band alias addresses should
not be used for this register.
0: clearing this bit has not effect.
1: set by user code to invert the corresponding GPIO pin.
Description
Open-drain enable.
0: disable the open-drain output mode on corresponding GPIO.
1: enable the open-drain output mode on corresponding GPIO.
Rev. C | Page 100 of 196
ADuCM320 Hardware Reference Manual
Reset Access
See Table 122 W
Reset Access
See Table 122 RW