SMJ320C80 Datasheet, PDF (38/157 Pages) Texas Instruments – DIGITAL SIGNAL PROCESSOR

SMJ320C80
DIGITAL SIGNAL PROCESSOR
SGUS025B – AUGUST 1998 – REVISED JUNE 2002
PP registers
The PP contains many general-purpose registers, status registers, and configuration registers. All PP registers
are 32-bit registers. Figure 23 shows the accessible registers of the PP blocks.
Data-Unit Registers
Data Registers
Multiple Flags
Status
d0/EALU Operation
mf
sr
d1
d2
d3
d4
d5
d6
d7
Address-Unit Registers
Global-Address Unit
Address Registers
Index Flags
a8
x8
a9
x9
a10
x10
a11
a12
a14/sp
a15 = 0
Stack Pointer
Same Physical
Register
Local-Address Unit
Address Registers
Index Flags
a0
x0
a1
x1
a2
x2
a3
a4
a6/sp
a7 = 0
Program Flow Control (PFC) Unit Registers
PC-Related Registers
Loop Addresses
pc (br, call)
ls0
iprs
ls1
ipa (read only)
ls2
ipe (read only)
le0
Cache Tags
le1
tag0 (read only)
le2
tag1 (read only)
tag2 (read only)
Loop Control
tag3 (read only)
lctl
Loop Counts
lr0
lr1
lr2
lc0
lc1
lc2
Communications
comm
Interrupts
lntflg
inten
Figure 23. PP Registers
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