CSINTERVALUNIT=CSINTERVALUNIT_0
Flash Control Register 1
| TCSS | Serial Flash CS setup time. |
| TCSH | Serial Flash CS Hold time. |
| WA | Word Addressable. |
| CAS | Column Address Size. |
| CSINTERVALUNIT | CS interval unit 0 (CSINTERVALUNIT_0): The CS interval unit is 1 serial clock cycle 1 (CSINTERVALUNIT_1): The CS interval unit is 256 serial clock cycle |
| CSINTERVAL | This field is used to set the minimum interval between flash device Chip selection deassertion and flash device Chip selection assertion. If external flash has a limitation on the interval between command sequences, this field should be set accordingly. If there is no limitation, set this field with value 0x0. |