User`s guide

C for DSP56800E
Calling Conventions and Stack Frames
118
Targeting MC56F83xx/DSP5685x Controllers
Address Generation
Unit (AGU)
(continued)
SP 24 Volatile (non-SOC)
N3 16 Volatile (non-SOC)
M01 16 Volatile (non-SOC) Certain registers must keep
specific values for proper C
execution — set this register to
0xFFFF.
Program Controller PC 21 Volatile (non-SOC)
LA 24 Volatile (non-SOC)
LA2 24 Volatile (non-SOC)
HWS 24 Volatile (non-SOC)
FIRA 21 Volatile (non-SOC)
FISR 13 Volatile (non-SOC)
OMR 16 Volatile (non-SOC) Certain registers must keep
specific values for proper C
execution — in this register, set
the CM bit.
SR 16 Volatile (non-SOC)
LC 16 Volatile (non-SOC)
LC2 16 Volatile (non-SOC)
Table 6.3 Volatile and Non-Volatile Registers (continued)
Unit Register Size Type Comments