Fast Models Reference Manual - ARM Information Center

Microcontroller Prototyping System: Platform and Components
DUT system registers
Table 8-15 on page 8-14 provides a description of the DUT system registers.
Table 8-3 MPS DUT system registers
Register name Address Access Description
SYS_ID 0x40004000 read/write Board and FPGA identifier
SYS_PERCFG 0x40004004 read/write Peripheral control signals
SYS_SW 0x40004008 read/write Indicates user switch settings
SYS_LED 0x4000400C read/write Sets LED outputs
SYS_7SEG 0x40004010 read/write Sets seven-segment LED outputs
SYS_CNT25MHZ 0x40004014 read/write Free running counter incrementing at 25MHz
SYS_CNT100HZ 0x40004018 read/write Free running counter incrementing at 100Hz
Character LCD registers
Table 8-12 on page 8-12 provides a description of the character LCD registers.
Register name Address Access Description
Table 8-4 MPS LCD registers
CHAR_COM 0x4000C000 write Command register. The command set is
compatible with the commands of the Hitachi
HD44780U controller.
CHAR_DAT 0x4000C004 write Write data register.
CHAR_RD 0x4000C008 read Read data register.
CHAR_RAW 0x4000C00C read/write Raw interrupt.
CHAR_MASK 0x4000C010 read/write Interrupt mask.
CHAR_STAT 0x4000C014 read/write Masked interrupt.
Memory configuration and remap
Table 8-5 provides a description of the memory configuration register.
Name Bits Access Power On Reset Description
Reserved 31:3 - - -
Table 8-5 Memory configuration
SWDPEN 2 RW 0b Single Wire Debug Port Enable. 1 is
SWD 0 JTAG
ALIAS 1 RW 1b Alias FLASH. 1 is Aliased on. 0 is
Aliased off
REMAP 0 RW 0b Remap SSRAM. 1 is Remap on. 0 is
Remap off
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