DSP的各路诸侯

	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