SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
This section gives a generic configuration for parameters related to the NOR memory connected to the GPMC.
Subprocess Name | Register / Bit Field | Value |
---|---|---|
Set the NOR protocol. | GPMC_CONFIG1_i[11-10] DEVICETYPE | 0x0 |
Set a device size. | GPMC_CONFIG1_i[13-12] DEVICESIZE | x |
Select an address and data multiplexing protocol. | GPMC_CONFIG1_i[9] MUXADDDATA | x |
Set the attached device page length. | GPMC_CONFIG1_i[24-23] ATTACHEDDEVICEPAGELENGTH | x |
Set the wrapping burst capabilities. | GPMC_CONFIG1_i[31] WRAPBURST | x |
Select a timing signals latencies factor. | GPMC_CONFIG1_i[4] TIMEPARAGRANULARITY | x |
Select an output clock frequency (1). | GPMC_CONFIG1_i[1-0] GPMCFCLKDIVIDER | x |
Choose an output clock activation time (1). | GPMC_CONFIG1_i[26-25] CLKACTIVATIONTIME | x |
Set a single or multiple access for read operations (1). | GPMC_CONFIG1_i[30] READMULTIPLE | x |
Set a synchronous or asynchronous mode for read operations. | GPMC_CONFIG1_i[29] READTYPE | x |
Set a single or multiple access for write operations. | GPMC_CONFIG1_i[28] WRITEMULTIPLE | x |
Set a synchronous or asynchronous mode for write operations. | GPMC_CONFIG1_i[27] WRITETYPE | x |
Subprocess Name | Register/Bit Field | Value |
---|---|---|
Select the chip-select base address. | GPMC_CONFIG7_i[5-0] BASEADDRESS | x |
Select the chip-select mask address. | GPMC_CONFIG7_i[11-8] MASKADDRESS | x |
Subprocess Name | Register/Bit Field | Value |
---|---|---|
Configure adequate timing parameters in various memory modes. | See Section 12.3.4.5.6, GPMC Timing Parameters |
Subprocess Name | Register/Bit Field | Value |
---|---|---|
Enable or disable WAIT pin monitoring for read operations. | GPMC_CONFIG1_i[22] WAITREADMONITORING | x |
Enable or disable WAIT pin monitoring for write operations. | GPMC_CONFIG1_i[21] WAITWRITEMONITORING | x |
Select a WAIT pin monitoring time. | GPMC_CONFIG1_i[19-18] WAITMONITORINGTIME | x |
Choose the input WAIT pin for the chip-select. | GPMC_CONFIG1_i[17-16] WAITPINSELECT | x |
Subprocess Name | Register/Bit Field | Value |
---|---|---|
When all parameters are configured, enable the chip-select. | GPMC_CONFIG7_i[6] CSVALID | x |