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TMS320DM642 Datasheet(PDF) 133 Page - Texas Instruments

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Part # TMS320DM642
Description  Video/Imaging Fixed-Point Digital Signal Processor
PDF  178 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS320DM642 Datasheet(HTML) 133 Page - Texas Instruments

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9
8
7
6
3
2
5
4
1
XSP_CS
XSP_CLK
XSP_DO
XSP_DI
TMS320DM642
Video/Imaging Fixed-Point Digital Signal Processor
SPRS200J – JULY 2002 – REVISED AUGUST 2005
Table 5-46. Timing Requirements for Serial EEPROM Interface (see Figure 5-50)
–500
–600
NO.
UNIT
–720
MIN
MAX
8
tsu(DIV-CLKH)
Setup time, XSP_DI valid before XSP_CLK high
50
ns
9
th(CLKH-DIV)
Hold time, XSP_DI valid after XSP_CLK high
0
ns
Table 5-47. Switching Characteristics Over Recommended Operating Conditions for Serial EEPROM
Interface
(1) (see Figure 5-50)
–500
–600
NO.
PARAMETER
UNIT
–720
MIN
TYP
MAX
1
tw(CSL)
Pulse duration, XSP_CS low
4092P
ns
2
td(CLKL-CSL)
Delay time, XSP_CLK low to XSP_CS low
0
ns
3
td(CSH-CLKH)
Delay time, XSP_CS high to XSP_CLK high
2046P
ns
4
tw(CLKH)
Pulse duration, XSP_CLK high
2046P
ns
5
tw(CLKL)
Pulse duration, XSP_CLK low
2046P
ns
6
tosu(DOV-CLKH)
Output setup time, XSP_DO valid before XSP_CLK high
2046P
ns
7
toh(CLKH-DOV)
Output hold time, XSP_DO valid after XSP_CLK high
2046P
ns
(1)
P = 1/CPU clock frequency in ns. For example, when running parts at 720 MHz, use P = 1.39 ns.
Figure 5-50. PCI Serial EEPROM Interface Timing
DM642 Peripheral Information and Electrical Specifications
133



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