This is a dedicated mode and supports only Winbond memories as SPI slave devices. Most of the Winbond W25Q64BV memories SPI commands are supported. Table: SPI Command Core Behavior for Dual Mode and Winbond Memory shows the generalized core behavior.
Table 3-9: SPI Command Core Behavior for Dual Mode and Winbond Memory
|
Command Type
|
Winbond
|
Command Error
|
Core Behavior
|
|
Standard SPI
|
Supported
|
No
|
Standard format
|
|
Standard SPI
|
Not supported
|
Yes
|
No SPI transaction
|
|
Dual mode
|
Supported
|
No
|
Dual mode instruction format as given in the data sheet
|
|
Dual mode
|
Not supported
|
Yes
|
No SPI transaction
|
|
Quad mode
|
Supported
|
No
|
Quad mode instruction format as given in the data sheet
|
|
Quad mode
|
Not supported
|
Yes
|
No SPI transaction
|
|
Notes:
1.The core is designed to support the Winbond W25Q64BV memory. See the device data sheet for the command, address, dummy bytes and data bytes required for each command and for the command, address and data bits operating details.
|