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参数资料
| 型号： | SM320C6701GJCA16EP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 32-BIT, 166.67 MHz, OTHER DSP, PBGA352 |
| 封装： | 35 X 35 MM, PLASTIC, BGA-352 |
| 文件页数： | 39/62页 |
| 文件大小： | 894K |
| 代理商： | SM320C6701GJCA16EP |
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SM320C6701EP, SM320C6701MECHEP
FLOATINGPOINT DIGITAL SIGNAL PROCESSOR
SGUS042A MAY 1998 REVISED APRIL 2004
44
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
EXTERNAL INTERRUPT TIMING
timing requirements for interrupt response cycles (see Figure 26)
NO.
C6701-120
C6701-167
UNIT
NO.
MIN
MAX
UNIT
2
tw(ILOW)
Width of the interrupt pulse low
2P
ns
3
tw(IHIGH)
Width of the interrupt pulse high
2P
ns
Interrupt signals are synchronized internally and are potentially recognized one cycle later if setup and hold times are violated. Thus, they can
be connected to asynchronous inputs.
P = 1/CPU clock frequency in ns. For example, when running parts at 167 MHz, use P = 6 ns.
switching characteristics during interrupt response cycles§ (see Figure 26)
NO.
PARAMETER
C6701-120
C6701-167
UNIT
NO.
PARAMETER
MIN
MAX
UNIT
1
tR(EINTH-IACKH)
Response time, EXT_INTx high to IACK high
9P
ns
4
td(CKO2L-IACKV)
Delay time, CLKOUT2 low to IACK valid
0.5P
13 0.5P
ns
5
td(CKO2L-INUMV)
Delay time, CLKOUT2 low to INUMx valid
10 0.5P
ns
6
td(CKO2L-INUMIV) Delay time, CLKOUT2 low to INUMx invalid
0.5P
ns
§ P = 1/CPU clock frequency in ns. For example, when running parts at 167 MHz, use P = 6 ns.
When the PLL is used (CLKMODE x4), 0.5P = 1/(2
× CPU clock frequency).
For CLKMODE x1: 0.5P = PH, where PH is the high period of CLKIN.
Interrupt Number
6
5
4
3
2
CLKOUT2
EXT_INTx, NMI
1
Intr Flag
IACK
INUMx
Figure 26. Interrupt Timing
相关PDF资料 |
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| SM320C6701GLPW16 | 32-BIT, 167 MHz, OTHER DSP, CBGA429 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SM320C6701GLPS16 | 制造商:Texas Instruments 功能描述:DSP,1000 MFLOPS,167MHZ,-40C/+90C,C-BGA - Trays |
| SM320C6701GLPW14 | 制造商:Texas Instruments 功能描述:DSP Floating-Point 32-Bit 140MHz 1120MIPS 429-Pin CFCBGA Tray 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:TISSM320C6701GLPW14 FLOATING POINT DSP |
| SM320C6701S14 | 制造商:TI 制造商全称:Texas Instruments 功能描述:FLOATING-POINT DIGITAL SIGNAL PROCESSOR |
| SM320C6701S16 | 制造商:TI 制造商全称:Texas Instruments 功能描述:FLOATING-POINT DIGITAL SIGNAL PROCESSOR |
| SM320C6701W14 | 制造商:TI 制造商全称:Texas Instruments 功能描述:FLOATING-POINT DIGITAL SIGNAL PROCESSOR |
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