TC1796
System Units (Vol. 1 of 2)
CPU Subsystem
User’s Manual 2-6 V2.0, 2007-07
CPU, V2.0
2.2.4 General Purpose Register File
The CPU has a General Purpose Register (GPR) file, divided into an Address Register
File (registers A0 through A15) and a Data Register File (registers D0 through D15).
The data flow for instructions issued to the Load/Store Pipeline is steered through the
Address Register File.
The data flow for instructions issued to/from the Integer Pipeline and for data load/store
instructions issued to the Load/Store Pipeline is steered through the Data Register File.
Figure 2-5 General Purpose Register File
General Purpose
Register File
MCA05589
Data Register File Address Register File
To Pipelines
64
Data Alignment
64
128
To Data Memory Interface
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