Texas Instruments TMS320C28x User Manual

CPU Registers
2-4
2.2 CPU Registers
Table 2−1 lists the main CPU registers and their values after reset. Sections
2.2.1 through 2.2.10 describe the registers in more detail. Figure 2−2 shows
the registers.
Table 2−1. CPU Register Summary
Register Size Description Value After Reset
ACC 32 bits Accumulator 0x00000000
AH 16 bits High half of ACC 0x0000
AL 16 bits Low half of ACC 0x0000
XAR0 16 bits Auxiliary register 0 0x00000000
XAR1 32 bits Auxiliary register 1 0x00000000
XAR2 32 bits Auxiliary register 2 0x00000000
XAR3 32 bits Auxiliary register 3 0x00000000
XAR4 32 bits Auxiliary register 4 0x00000000
XAR5 32 bits Auxiliary register 5 0x00000000
XAR6 32 bits Auxiliary register 6 0x00000000
XAR7 32 bits Auxiliary register 7 0x00000000
AR0 16 bits Low half of XAR0 0x0000
AR1 16 bits Low half of XAR1 0x0000
AR2 16 bits Low half of XAR2 0x0000
AR3 16 bits Low half of XAR3 0x0000
AR4 16 bits Low half of XAR4 0x0000
AR5 16 bits Low half of XAR5 0x0000
AR6 16 bits Low half of XAR6 0x0000
AR7
16 bits Low half of XAR7 0x0000

Texas Instruments TMS320C28x Specifications

General

Brand	Texas Instruments
Model	TMS320C28x
Category	Processor
Language	English