Texas Instruments SM320C6455-EP manual Uxclk UXDATA70, UXADDR40, Uxclav Uxenb Uxsoc

Models: SM320C6455-EP

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SM320C6455-EP

FIXED-POINT DIGITAL SIGNAL PROCESSOR

www.ti.com

SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008

Table 7-108. Timing Requirements for UTOPIA Slave Transmit (see Figure 7-76)

NO.

2tsu(UXAV-UXCH)

3th(UXCH-UXAV)

8tsu(UXENBL-UXCH)

9th(UXCH-UXENBL)

 

 

-720

 

 

 

-850

 

 

A-1000/-1000

UNIT

 

 

-1200

 

 

MIN

MAX

 

Setup time, UXADDR valid before UXCLK high

4

 

ns

Hold time, UXADDR valid after UXCLK high

1

 

ns

Setup time, UXENB low before UXCLK high

4

 

ns

Hold time, UXENB low after UXCLK high

1

 

ns

Table 7-109. Switching Characteristics Over Recommended Operating Conditions for UTOPIA Slave

Transmit Cycles (see Figure 7-76)

NO.

1

td(UXCH-UXDV)

4

td(UXCH-UXCLAV)

5

td(UXCH-UXCLAVL)

6

td(UXCH-UXCLAVHZ)

7

tw(UXCLAVL-UXCLAVHZ)

10

td(UXCH-UXSV)

 

UXCLK

 

 

 

UXDATA[7:0]

 

P45

 

UXADDR[4:0]

 

0 x1F

 

UXCLAV

 

 

 

UXENB

UXSOC

-720 -850

PARAMETERA-1000/-1000UNIT -1200

 

 

 

MIN

MAX

 

Delay time, UXCLK high to UXDATA valid

 

3

12

ns

Delay time, UXCLK high to UXCLAV driven active value

3

12

ns

Delay time, UXCLK high to UXCLAV driven inactive low

3

12

ns

Delay time, UXCLK high to UXCLAV going Hi-Z

9

18.5

ns

Pulse duration (low), UXCLAV low to UXCLAV Hi-Z

3

 

ns

Delay time, UXCLK high to UXSOC valid

 

3

12

ns

 

 

1

 

 

 

P46

P47

P48

 

H1

 

 

 

3

 

 

 

 

 

2

 

 

 

N

0x1F

N

0x1F

N + 1

0x1F

 

 

 

6

7

 

 

 

4

5

 

 

 

 

 

 

N

 

N

 

 

 

9

 

8

 

 

 

 

 

 

 

 

 

 

10

 

 

A. The UTOPIA Slave module has signals that are middle-level signals indicating a high-impedance state (i.e., the UXCLAV and UXSOC signals).

Figure 7-76. UTOPIA Slave Transmit Timing(A)

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C64x+ Peripheral Information and Electrical Specifications

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Texas Instruments SM320C6455-EP manual Uxclk UXDATA70, UXADDR40, Uxclav Uxenb Uxsoc