參數(shù)資料
型號(hào)： TMS320C6727BGDH275
廠商： Texas Instruments, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Floating-Point Digital Signal Processors
中文描述： 浮點(diǎn)數(shù)字信號(hào)處理器
文件頁(yè)數(shù)： 9/114頁(yè)
文件大?。?/td> 1030K
代理商： TMS320C6727BGDH275
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2.3 CPU Interrupt Assignments
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370–SEPTEMBER 2006
Table 2-2. New Floating-Point Instructions for C67x+ CPU
FLOATING-POINT
OPERATION
(1)
SP x DP
→
DP
INSTRUCTION
IMPROVES
MPYSPDP
Faster than MPYDP.
Improves high Q biquads (bass management) and FFT.
Faster than MPYDP.
Improves Long FIRs (EQ).
MPYSP2DP
SP x SP
→
DP
ADDSP (new to CPU “S” Unit)
ADDDP (new to CPU “S” Unit)
SUBSP (new to CPU “S” Unit)
SUBDP (new to CPU “S” Unit)
SP + SP
→
SP
DP + DP
→
DP
SP – SP
→
SP
DP – DP
→
DP
Now up to four floating-point add and subtract operations in parallel.
Improves FFT performance and symmetric FIR.
(1)
SP means IEEE Single-Precision (32-bit) operations and DP means IEEE Double-Precision (64-bit) operations.
Finally, two new registers, which are dedicated to communication with the dMAX unit, have been added to
the C67x+ CPU. These registers are the dMAX Event Trigger Register (DETR) and the dMAX Event
Status Register (DESR). They allow the CPU and dMAX to communicate without requiring any accesses
to the memory system.
Table 2-3
lists the interrupt channel assignments on the C672x device. If more than one source is listed,
the interrupt channel is shared and an interrupt on this channel could have come from any of the enabled
peripherals on that channel.
The dMAX peripheral has two CPU interrupts dedicated to reporting FIFO status (INT7) and transfer
completion (INT8). In addition, the dMAX can generate interrupts to the CPU on lines INT9–13 and INT15
in response to peripheral events. To enable this functionality, the associated Event Entry within the dMAX
can be programmed so that a CPU interrupt is generated when the peripheral event is received.
Table 2-3. CPU Interrupt Assignments
CPU INTERRUPT
INT0
INT1
INT2
INT3
INT4
INT5
INT6
INT7
INT8
INT9
INT10
INT11
INT12
INT13
INT14
INT15
INTERRUPT SOURCE
RESET
NMI (From dMAX or EMIF Interrupt)
Reserved
Reserved
RTI Interrupt 0
RTI Interrupts 1, 2, 3, and RTI Overflow Interrupts 0 and 1.
UHPI CPU Interrupt (from External Host MCU)
FIFO status notification from dMAX
Transfer completion notification from dMAX
dMAX event (0x2 specified in the dMAX interrupt event entry)
dMAX event (0x3 specified in the dMAX interrupt event entry)
dMAX event (0x4 specified in the dMAX interrupt event entry)
dMAX event (0x5 specified in the dMAX interrupt event entry)
dMAX event (0x6 specified in the dMAX interrupt event entry)
I2C0, I2C1, SPI0, SPI1 Interrupts
dMAX event (0x7 specified in the dMAX interrupt event entry)
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TMS320C6727BGDH300 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Floating-Point DSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
TMS320C6727BGDH350 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Floating-Point DSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
TMS320C6727BZDH250 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Floating-Pt Dig RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
TMS320C6727BZDH275 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Floating-Point DSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
TMS320C6727BZDH300 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Floating-Point DSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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