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| | 芯片/核 | 定点/浮点 | 字长 bits | 指令长度 bits | 钟频 MHz | | Analog Devices | | ADSP-21xx | Both | Fixed | 16 | 24 | 75 | | ADSP-2106x | Chip | Floating | 40 | 48 | 60 | | ADSP-2116x | Chip | Floating | 40 | 48 | 100 | | TigerSHARC | Chip | Fixed/Float | 32 | 32 | 250 | | ARM | | Piccolo | Core | Fixed | 16 | 16/32 | 70 | | DSP Group | | PineDSPCore | Core | Fixed | 16 | 16 | 40 | | OakDSPCore | Core | Fixed | 16 | 16 | 80 | | TeakDSPCore | Core | Fixed | 16 | 16 | 130 | | PalmDSPCore | Core | Fixed | 16/20/24 | 16/32 | 150 | | Hitachi | | SH-DSP | Chip | Fixed | 16 | 16/32 | 66 | | IBM | | C54XDSP | Core | Fixed | 16 | 16 | 66 | | Lucent Technologies | | DSP16xx | Chip | Fixed | 16 | 16 | 120 | | DSP16xxx | Chip | Fixed | 16 | 16/32 | 100 | | Mentor Graphics | | M320C50 | Core | Fixed | 16 | 16 | | | Motorola | | DSP560xx | Chip | Fixed | 24 | 24 | 47.5 | | DSP563xx | Chip | Fixed | 24 | 24 | 100 | | DSP566xx | Chip | Fixed | 16 | 24 | 70 | | DSP568xx | Chip | Fixed | 16 | 16 | 35 | | Lucent + Motorola | | StarCore140 | Core | Fixed | 16 | 16 | 300 | | Siemens (Infineon) | | TriCore | Both | Fixed | 32 | 16/32 | 80 | | Carmel | Both | Fixed | 16 | 24/48 | 120 | | Texas Instruments | | TMS320C1x | Chip | Fixed | 16 | 16 | 8.8 | | TMS320C2x | Chip | Fixed | 16 | 16 | 12.5 | | TMS320C2xx | Both | Fixed | 16 | 16 | 40 | | TMS320C27xx | Core | Fixed | 16 | 16 | 50 | | TMS320C3x | Chip | Floating | 32 | 32 | 40 | | TMS320C4x | Chip | Floating | 32 | 32 | 30 | | TMS320C5x | Chip | Fixed | 16 | 16 | 50 | | TMS320C54x | Both | Fixed | 16 | 16 | 100 | | TMS320C62xx | Chip | Fixed | 16 | 32 | 200 | | TMS320C67xx | Chip | Floating | 32 | 32 | 167 | | Zoran | | ZR386xx | Chip | Fixed | 20 | 32 | 40 | | ZSP Corporation | | ZSP164xx | Chip | Fixed | 16 | 16 | 200 | | | 芯片/核 | 定点/浮点 | 字长 bits | 指令长度 bits | 钟频 MHz | 大致性能比较 16bit定点运算DSP | | TI TMS320C25 | Motorola DSP56000 | AD ADSP2100 | AT&T DSP16 | | 指令周期 | 100ns | 64,74ns | 80ns | 25ns | | 片内存储器 | P 4Kx16bROM P/D 544x16bRAM | P 512 x 24b P 32 x 24bROM D 2x256x24bRAM D 2x256x24bROM | P 2K x 24b D 1K x 16b | P 12K x16b D 2K x 16b | | 片外寻址 | P/D 128Kx16b | P 64Kx24b DX 64Kx24b DY 64Kx24b | P 16K x 24b D 16K x 24b | 64K x 16b | | 片上外设 | 2串 | 1串,1并 | 2串1定时 | 1串1并 | | 乘法器I/O | 16b/32b | 24b/48b | 16b/32b | 16b/32b | | 封装 | 68PGA/PLCC | 132 CQFP 88 PGA | 68 PGA | 84 PLCC 133 PGA | 32 bit 浮点运算DSP | | TI TMS320C30 | Motorola DSP96002 | AD ADSP21020 | AT&T DSP32 | | 指令周期 ns | 60 | 50, 60, 74 | 40, 50, 66 | 80, 100 | | 片内存储器 | 4Kx32bROM 1Kx32bRAM | P1Kx32bRAM P64x32bROM DRAM 2x512x32b DROM 2x512x32b | P32x48bCashe | 3x512x32b | | 片外寻址 | 16Mx32b | 3x4Gx32b | P 16Mx48b D 4Gx40b | 4M~4Gx32b | | 片上外设 | 2串口8/16/32 2定时器32b | 2x主机接口 | 1定时JTAG | 8/16/32串 | | 乘法器I/O | 40b/32b | 浮点 32b/44b 定点 32b/64b | 浮点 32b/32b 定点 32b/64b | 浮点32b/45b | | 封装 | 181PGA | 223PGA 256CQFP | 223PGA/PQFP | 164FQFP/133PGA /68PLCC | | 浮点除法(ns) | 360 | 300 | 300 | 660 | | 1024点FFT (ms) | 1.025 | 1.047 | 0.77 | 1.9 |
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