Microsemi SmartFusion2 - USB Configuration Register

System Register Block
UG0331 User Guide Revision 15.0 701
Note: Do not change these register fields dynamically for 005 and 010 devices, see System Registers Behavior
for M2S005/010 Devices, page 682.
22.3.32 USB Configuration Register
22.3.33 eSRAM PIPELINE Configuration Register
1 ESRAM0_EDAC_2E_EN 0 Allows the 2-bit error EDAC for eSRAM0 status update to be
disabled. Allowed values:
0: Disabled
1: Enabled
0 ESRAM0_EDAC_1E_EN 0 Allows the 1-bit error EDAC for eSRAM0 status update to be
disabled. Allowed values:
0: Disabled
1: Enabled
Table 686 • USB_CR
Bit
Number Name
Reset
Value Description
[31:2] Reserved 0
1 USB_DDR_SELECT 0 Used to configure USB works in single data rate (SDR) mode or
double data rate (DDR) mode. Allowed values:
0: SDR mode is selected
1: DDR mode is selected
0 USB_UTMI_SEL 0 Used to configure the USB interface as ULPI PHY or UTMI
interface. Allowed values:
0: ULPI PHY interface is selected
1: UTMI interface is selected
Table 687 • ESRAM_PIPELINE_CR
Bit
Number Name
Reset
Value Description
[31:1] Reserved 0
0 ESRAM_PIPELINE_ENABLE 0x1 Controls the pipeline in the read path of eSRAM memory.
Allowed values:
0: Pipeline is bypassed
1: Pipeline is present in the memory read path
Table 685 • EDAC_IRQ_ENABLE_CR (continued)
Bit
Number Name
Reset
Value Description