SPI Module - SPI Module - UG1087

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID: UG1087
Release Date: 2025-06-20
Revision: 1.11

SPI Module Description

Module Type	SPI Module
Modules of this Type	SPI0, SPI1
Base Addresses	0x00FF040000 (SPI0) 0x00FF050000 (SPI1)
Description	Serial Peripheral Interface Controller

SPI Module Register Summary

Register Name	Offset Address	Width	Type	Reset Value	Description
Config	0x0000000000	32	mixedMixed types. See bit-field details.	0x00020000	SPI configuration
ISR	0x0000000004	32	mixedMixed types. See bit-field details.	0x00000004	SPI interrupt status
IER	0x0000000008	32	mixedMixed types. See bit-field details.	0x00000000	Interrupt Enable
IDR	0x000000000C	32	mixedMixed types. See bit-field details.	0x00000000	Interrupt disable
IMR	0x0000000010	32	roRead-only	0x00000000	Interrupt mask
Enable	0x0000000014	32	mixedMixed types. See bit-field details.	0x00000000	SPI_Enable
Delay	0x0000000018	32	rwNormal read/write	0x00000000	Clock Delay
Tx_data	0x000000001C	32	woWrite-only	0x00000000	Transmit Data.
Rx_data	0x0000000020	32	roRead-only	0x00000000	Receive Data
Slave_Idle_count	0x0000000024	32	mixedMixed types. See bit-field details.	0x000000FF	Slave Idle Count
TX_thres	0x0000000028	32	rwNormal read/write	0x00000001	TX FIFO Threshold
RX_thres	0x000000002C	32	rwNormal read/write	0x00000001	RX FIFO Threshold
Mod_id	0x00000000FC	32	roRead-only	0x00090108	Module ID