7.5.4. Registers

Table 7.10 provides a description of the configuration registers for the EB_SysRegs component.

Table 7.10. EB_SysRegs registers

Register nameOffsetAccessDescription
SYS_ID0x00read onlysystem identity
SYS_SW0x04read onlybits[7:0] map to switch S6
SYS_LED0x08read/writebits[7:0] map to user LEDs
SYS_OSC00x0Cread/writesettings for the ICS307 OSC0
SYS_OSC10x10read/writesettings for the ICS307 OSC1
SYS_OSC20x14read/writesettings for the ICS307 OSC2
SYS_OSC30x18read/writesettings for the ICS307 OSC3
SYS_OSC40x1Cread/writesettings for the ICS307 OSC4
SYS_LOCK0x20read/writewrite 0xA05F to unlock
SYS_100HZ0x24read only100Hz counter
SYS_CONFIGDATA10x28-reserved for configuring clock domain
SYS_CONFIGDATA20x2C-reserved for configuring clock domain
SYS_FLAGS0x30read/writegeneral purpose flags
SYS_FLAGSCLR0x34write onlyclear bits in general purpose flags
SYS_NVFLAGS0x38read/writegeneral purpose non-volatile flags
SYS_NVFLAGSCLR0x3Cwrite onlyclear bits in general purpose non-volatile flags
SYS_PCICTL0x44read/writePCI control
SYS_MCI0x48read onlyMCI
SYS_FLASH0x4Cread/writeflash control
SYS_CLCD0x50read/writecontrols LCD power and multiplexing
SYS_CLCDSER0x54read/writeLCD control
SYS_BOOTCS0x58read onlyboot select switch
SYS_24MHZ0x5Cread only24MHz counter
SYS_MISC0x60read onlymiscellaneous control flags
SYS_DMAPSR00x64read/writeDMA peripheral map
SYS_DMAPSR10x68read/writeDMA peripheral map
SYS_DMAPSR20x6Cread/writeDMA peripheral map
SYS_IOSEL0x70read/writeperipheral I/O select
SYS_PLDCTL10x74read/writeconfigure the attached CoreTiles
SYS_PLDCTL20x78read/writeconfigure the attached CoreTiles
SYS_BUSID0x80read onlybus ID
SYS_PROCID00x84read onlyprocessor ID
SYS_PROCID10x88read onlyprocessor ID
SYS_OSCRESET00x8Cread/writeoscillator reset
SYS_OSCRESET10x90read/writeoscillator reset
SYS_OSCRESET20x94read/writeoscillator reset
SYS_OSCRESET30x98read/writeoscillator reset
SYS_OSCRESET40x9Cread/writeoscillator reset
SYS_VOLTAGE00xA0read/writeCoreTile configuration
SYS_VOLTAGE10xA4read/writeCoreTile configuration
SYS_VOLTAGE20xA8read/writeCoreTile configuration
SYS_VOLTAGE30xACread/writeCoreTile configuration
SYS_VOLTAGE40xB0read/writeCoreTile configuration
SYS_VOLTAGE50xB4read/writeCoreTile configuration
SYS_VOLTAGE60xB8read/writeCoreTile configuration
SYS_VOLTAGE70xBCread/writeCoreTile configuration
SYS_TEST_OSC00xC0read onlyoscillator test
SYS_TEST_OSC10xC4read onlyoscillator test
SYS_TEST_OSC20xC8read onlyoscillator test
SYS_TEST_OSC30xCCread onlyoscillator test
SYS_TEST_OSC40xD0read onlyoscillator test
SYS_T1_PLD_DATA0xE0read/writePLD configuration
SYS_T2_PLD_DATA0xE4read/writePLD configuration
SYS_GPIO0xE8read/writeGPIO

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