GPIO Controller

A GPIO Controller IP manages/controls the different General purpose IOs in a SoC and configure them for different applications based on CPU or any other processor command. The GPIO Controller typically manages the input/output operations, interrupt handling, and pin multiplexing etc. In this IP we offer a controller
design which can configure group 32 GPIOs.

Sophic Silicon GPIO IP Offers

GPIO Brcohure

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Features

We provide high configurable, multi-application support generic GPIO controller
User selectable number of GPIO signals from 0 to 31
Configure pins as input or output
Supports dynamic programming of each GPIO to enable/disable
Generate interrupts on rising or falling edges of GPIO input signals
16 GPIO control output and 8 GPIO control input signals for each IO are supported
Interrupt pending flags indicating whether an interrupt was triggered.
GPIO pins can be multiplexed with alternate functions like UART, SPI, I2C, etc., allowing the same pins to serve different purposes
Option of alternative input reference clock from external source
The generic bus interface can be configured to wrapper, enabling integration with APB, AHB or AXI as required

Diagram

IO Ports

Name	Width	Direction	Description
sys_clk	1	Input	Global clock
ext_clk	1	Input	External clock
rst_n	1	Input	Used as reset
gpio_in	32	Input	Connected to input value of IO cells
Aux_In	32	Input	Auxiliary input
gpio_in_ctrl [7:0]	32*8=256	Input	Control input pins
gpio_out_en	32	Output	Connect to output enable of IO cells
gpio_out	32	Output	Connected to output value of IO cells
gpio_out_ctrl [15:0]	32*16=512	Output	Control output pins
Generic Bus Interface	99	Input/Output	Generic Bus Interface Signals. More details in the design document

IO Ports

Name	Width	Direction	Description
sys_ clk	1	Input	Global clock
ext_ clk	1	Input	External clock
rst_ n	1	Input	Used as reset
gpio _in	32	Input	Connected to input value of IO cells
Aux _In	32	Input	Auxiliary input
gpio_ in_ctrl [7:0]	32*8 =256	Input	Control input pins
gpio _out _en	32	Output	Connect to output enable of IO cells
gpio _out	32	Output	Connected to output value of IO cells
gpio _out _ctrl [15:0]	32*16 =512	Output	Control output pins
Generic Bus Interface	99	Input /Output	Generic Bus Interface Signals. More details in the design document

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GPIO Controller

Sophic Silicon GPIO IP Offers

GPIO Brcohure

Features

Diagram

IO Ports

IO Ports

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