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CONTENTS
iv
TMPR3901F
Chapter 1 Introduction--------------------------------------------------------------------------- 201
1.1 Features ------------------------------------------------------------------------------ 201
1.2 Internal Blocks----------------------------------------------------------------------- 203
Chapter 2 Configuration ------------------------------------------------------------------------ 205
2.1 R3900 Processor Core------------------------------------------------------------ 205
2.1.1 Instruction limitations -----------------------------------------------------------------------206
2.1.2 Address mapping ----------------------------------------------------------------------------206
2.2 Clock Generator -------------------------------------------------------------------- 206
2.3 Bus Interface Unit (Bus Controller / Write Buffer)-------------------------- 207
2.4 Memory Protection Unit----------------------------------------------------------- 208
2.4.1 Registers---------------------------------------------------------------------------------------208
2.4.2 Memory protection exception -------------------------------------------------------------210
2.4.3 Register address map ----------------------------------------------------------------------211
2.5 Debug Support Unit ---------------------------------------------------------------- 211
2.6 Synchronizer ------------------------------------------------------------------------- 211
Chapter 3 Pins ------------------------------------------------------------------------------------ 215
Chapter 4 Operations---------------------------------------------------------------------------- 217
4.1 Clock----------------------------------------------------------------------------------- 217
4.2 Read Operation --------------------------------------------------------------------- 219
4.2.1 Single read ------------------------------------------------------------------------------------219
4.2.2 Burst read--------------------------------------------------------------------------------------221
4.3 Write Operation --------------------------------------------------------------------- 224
4.4 Interrupts------------------------------------------------------------------------------ 225
4.4.1 NMI*---------------------------------------------------------------------------------------------225
4.4.2 INT[5:0]*----------------------------------------------------------------------------------------226