Digi Rabbit 5000, User Manual

Page: 61 / 414

Chapter 5 Memory Management 61
5.1.2 Registers
Register Name Mnemonic I/O Address R/W Reset
MMU Instruction/Data Register MMIDR 0x0010 R/W 00000000
Stack Segment Register STACKSEG 0x0011 R/W 00000000
Stack Segment LSB Register STACKSEGL 0x001A R/W 00000000
Stack Segment MSB Register STACKSEGH 0x001B R/W 00000000
Data Segment Register DATSEG 0x0012 R/W 00000000
Data Segment LSB Register DATSEGL 0x001E R/W 00000000
Data Segment MSB Register DATSEGH 0x001F R/W 00000000
Segment Size Register SEGSIZE 0x0013 R/W 11111111
Memory Bank 0 Control Register MB0CR 0x0014 R/W 00001000
Memory Bank 1 Control Register MB1CR 0x0015 R/W xxxxxxxx
Memory Bank 2 Control Register MB2CR 0x0016 R/W xxxxxxxx
Memory Bank 3 Control Register MB3CR 0x0017 R/W xxxxxxxx
MMU Expanded Code Register MECR 0x0018 R/W 00000000
Memory Timing Control Register MTCR 0x0019 R/W 00000000
Memory Alternate Control Register MACR 0x001D R/W 00000000
Advanced /CS0 Control Register ACS0CR 0x0410 R/W 00000000
Advanced /CS1 Control Register ACS1CR 0x0411 R/W 00000000
Advanced /CS2 Control Register ACS2CR 0x0412 R/W 00000000
RAM Segment Register RAMSR 0x0448 R/W 00000000
Write-Protect Control Register WPCR 0x0440 R/W 00000000
Write-Protect x Register WPxR 0x460+x W 00000000
Write-Protect Segment A Register WPSAR 0x0480 W 00000000
Write-Protect Segment A Low Register WPSALR 0x0481 W 00000000
Write-Protect Segment A High Register WPSAHR 0x0482 W 00000000
Write-Protect Segment B Register WPSBR 0x0484 W 00000000
Write-Protect Segment B Low Register WPSBLR 0x0485 W 00000000
Write-Protect Segment B High Register WPSBHR 0x0486 W 00000000
Stack Limit Control Register STKCR 0x0444 R/W 00000000
Stack Low Limit Register STKLLR 0x0445 W xxxxxxxx
Stack High Limit Register STKHLR 0x0446 W xxxxxxxx