參數(shù)資料
型號(hào): TMS320LC542-50
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: Digital Signal Processor
中文描述: 數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 45/111頁(yè)
文件大小: 1426K
代理商: TMS320LC542-50
TMS320C54x, TMS320LC54x, TMS320VC54x
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS039C – FEBRUARY 1996 – REVISED DECEMBER 1999
45
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
processor-mode status register (PMST)
The processor-mode status register (PMST) controls memory configurations of the ’54x devices.
interrupts
Vector-relative locations and priorities for all internal and external interrupts are shown in Table 12.
Table 12. ’54x Interrupt Locations and Priorities
NAME
LOCATION
PRIORITY
FUNCTION
DECIMAL
0
HEX
00
RS, SINTR
1
Reset (Hardware and software reset)
NMI, SINT16
4
04
2
Nonmaskable interrupt
SINT17
8
08
Software interrupt #17
SINT18
12
0C
Software interrupt #18
SINT19
16
10
Software interrupt #19
SINT20
20
14
Software interrupt #20
SINT21
24
18
Software interrupt #21
SINT22
28
1C
Software interrupt #22
SINT23
32
20
Software interrupt #23
SINT24
36
24
Software interrupt #24
SINT25
40
28
Software interrupt #25
SINT26
44
2C
Software interrupt #26
SINT27
48
30
Software interrupt #27
SINT28
52
34
Software interrupt #28
SINT29
56
38
Software interrupt #29
SINT30
60
3C
Software interrupt #30
INT0, SINT0
64
40
3
External user interrupt #0
INT1, SINT1
68
44
4
External user interrupt #1
INT2, SINT2
72
48
5
External user interrupt #2
TINT, SINT3
76
4C
6
External timer interrupt
BSP #0 receive interrupt
BSP #0 transmit interrupt
TDM receive interrupt
TDM transmit interrupt
BRINT0, SINT4
80
50
7
BXINT0, SINT5
84
54
8
TRINT, SINT6
88
58
9
TRINT, SINT7
92
5C
10
INT3, SINT8
96
60
64§
68§
6C§
70§
74§
78–7F§
11
External user interrupt #3
HINT, SINT9
100
12
HPI interrupt (’542, ’545, ’548, ’549 only)
BRINT1, SINT10
104
13
BSP #1 receive interrupt (’548, ’549 only)
BXINT1, SINT11
108
14
BSP #1 transmit interrupt (’548, ’549 only)
BMINT0, SINT12
112
15
BSP #0 misalignment detection interrupt (’549 only)
BMINT1, SINT13
116
16
BSP #1 misalignment detection interrupt (’549 only)
On ’541 devices, these interrupt locations are serial port 0 interrupts (RINT0/XINT0).
On ’541, ’545, and ’546 devices, these interrupt locations are serial port 1 interrupts (RINT1/XINT1).
§On ’541, ’543, and ’546 devices, interrupt locations 64h – 7Fh are reserved. On ’542 and ’545 devices, interrupt locations 68h – 7Fh are reserved.
On ’548 devices, interrupt locations 70h – 7Fh are reserved.
120–127
Reserved
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