Motorola MVME5100 Programmer's Reference Manual page 15

Detailed Register Bit Descriptions ................................................................... 3-38
Vendor/Device Register ............................................................................ 3-39
Revision ID/General Control Register ...................................................... 3-39
SDRAM Enable and Size Register (Blocks A, B, C, D)........................... 3-41
SDRAM Base Address Register (Blocks A/B/C/D) ................................. 3-43
CLK Frequency Register........................................................................... 3-44
ECC Control Register ............................................................................... 3-45
Error Logger Register ............................................................................... 3-49
Error_Address Register ............................................................................. 3-51
Scrub/Refresh Register.............................................................................. 3-51
Scrub Address Register ............................................................................. 3-52
ROM A Base/Size Register....................................................................... 3-53
ROM B Base/Size Register ....................................................................... 3-56
ROM Speed Attributes Registers .............................................................. 3-58
Data Parity Error Log Register ................................................................. 3-60
Data Parity Error Address Register........................................................... 3-61
Data Parity Error Upper Data Register ..................................................... 3-61
Data Parity Error Lower Data Register ..................................................... 3-62
I2C Clock Prescaler Register .................................................................... 3-63
I2C Control Register ................................................................................. 3-63
I2C Status Register.................................................................................... 3-64
I2C Transmitter Data Register .................................................................. 3-65
I2C Receiver Data Register....................................................................... 3-66
SDRAM Enable and Size Register (Blocks E,F,G,H) .............................. 3-66
SDRAM Base Address Register (Blocks E/F/G/H).................................. 3-67
SDRAM Speed Attributes Register .......................................................... 3-68
Address Parity Error Log Register ............................................................ 3-70
Address Parity Error Address Register ..................................................... 3-71
32-Bit Counter........................................................................................... 3-72
External Register Set................................................................................. 3-72
tben Register.............................................................................................. 3-73
Software Considerations.......................................................................................... 3-74
Programming ROM/Flash Devices .................................................................. 3-74
Writing to the Control Registers....................................................................... 3-75
Initializing SDRAM Related Control Registers ............................................... 3-75
SDRAM Speed Attributes......................................................................... 3-75
SDRAM Size............................................................................................. 3-76
I2C EEPROMs .......................................................................................... 3-76
SDRAM Base Address and Enable........................................................... 3-76
SDRAM Control Registers Initialization Example................................... 3-77
Optional Method for Sizing SDRAM ....................................................... 3-83
ECC Codes .............................................................................................................. 3-86
xvi