TMS320VC5509A_14 Datasheet, PDF (54/145 Pages) Texas Instruments – Fixed-Point Digital Signal Processor

Functional Overview
3.9 Memory-Mapped Registers
The 5509A has 78 memory-mapped CPU registers that are mapped in data memory space address 0h to 4Fh.
Table 3−21 provides a list of the CPU memory-mapped registers (MMRs) available. The corresponding
TMS320C54x (C54x) CPU registers are also indicated where applicable.
C55x
REGISTER
IER0
IFR0
ST0_55
ST1_55
ST3_55
−
ST0
ST1
AC0L
AC0H
AC0G
AC1L
AC1H
AC1G
T3
TRN0
AR0
AR1
AR2
AR3
AR4
AR5
AR6
AR7
SP
BK03
BRC0
RSA0L
REA0L
PMST
XPC
−
T0
T1
T2
T3
AC2L
AC2H
AC2G
C54x
REGISTER
IMR
IFR
−
−
−
−
ST0
ST1
AL
AH
AG
BL
BH
BG
TREG
TRN
AR0
AR1
AR2
AR3
AR4
AR5
AR6
AR7
SP
BK
BRC
RSA
REA
PMST
XPC
−
−
−
−
−
−
−
−
Table 3−21. CPU Memory-Mapped Registers
WORD ADDRESS
(HEX)
00
01
02
03
04
05
06
07
08
09
0A
OB
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
26
DESCRIPTION
Interrupt Enable Register 0
Interrupt Flag Register 0
Status Register 0 for C55x
Status Register 1 for C55x
Status Register 3 for C55x
Reserved
Status Register ST0
Status Register ST1
Accumulator 0
Accumulator 1
Temporary Register
Transition Register
Auxiliary Register 0
Auxiliary Register 1
Auxiliary Register 2
Auxiliary Register 3
Auxiliary Register 4
Auxiliary Register 5
Auxiliary Register 6
Auxiliary Register 7
Stack Pointer Register
Circular Buffer Size Register
Block Repeat Counter
Block Repeat Start Address
Block Repeat End Address
Processor Mode Status Register
Program Counter Extension Register
Reserved
Temporary Data Register 0
Temporary Data Register 1
Temporary Data Register 2
Temporary Data Register 3
Accumulator 2
BIT FIELD
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[31−16]
[39−32]
[15−0]
[31−16]
[39−32]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[7−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[15−0]
[31−16]
[39−32]
TMS320C54x and C54x are trademarks of Texas Instruments.
54 SPRS205K
November 2002 − Revised January 2008