Texas Instruments TMS320C6202 specifications Asynchronous Memory Timing, Awe

Models: TMS320C6202

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TMS320C6202

FIXED-POINT DIGITAL SIGNAL PROCESSOR

SPRS072B ± AUGUST 1998 ± REVISED AUGUST 1999

ASYNCHRONOUS MEMORY TIMING

timing requirements for asynchronous memory cycles² (see Figure 13 ± Figure 14)

 

 

 

'C6202-200

 

NO.

 

 

'C6202-233

UNIT

 

 

'C6202-250

 

 

 

 

 

 

 

 

 

 

 

 

 

MIN

MAX

 

 

 

 

 

 

 

6

tsu(EDV-CKO1H)

Setup time, read EDx valid before CLKOUT1 high

4.0

 

ns

7

th(CKO1H-EDV)

Hold time, read EDx valid after CLKOUT1 high

0

 

ns

10

tsu(ARDY-CKO1H)

Setup time, ARDY valid before CLKOUT1 high

4.0

 

ns

11

th(CKO1H-ARDY)

Hold time, ARDY valid after CLKOUT1 high

0

 

ns

²To ensure data setup time, simply program the strobe width wide enough. ARDY is internally synchronized. If ARDY does meet setup or hold time, it may be recognized in the current cycle or the next cycle. Thus, ARDY can be an asynchronous input.

switching characteristics for asynchronous memory cycles³ (see Figure 13 ± Figure 14)

 

 

 

 

 

 

 

 

 

 

'C6202-200

 

NO.

 

PARAMETER

'C6202-233

UNIT

 

'C6202-250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MIN

MAX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

td(CKO1H-CEV)

Delay time, CLKOUT1 high to

 

 

 

 

valid

0

4.0

ns

CEx

 

 

2

td(CKO1H-BEV)

Delay time, CLKOUT1 high to

 

 

 

valid

0

4.0

ns

BEx

 

3

td(CKO1H-BEIV)

Delay time, CLKOUT1 high to

 

 

 

invalid

0

4.0

ns

BEx

 

4

td(CKO1H-EAV)

Delay time, CLKOUT1 high to EAx valid

0

4.0

ns

5

td(CKO1H-EAIV)

Delay time, CLKOUT1 high to EAx invalid

0

4.0

ns

8

td(CKO1H-AOEV)

Delay time, CLKOUT1 high to

 

 

 

 

 

valid

0

4.0

ns

AOE

 

9

td(CKO1H-AREV)

Delay time, CLKOUT1 high to

 

 

 

 

 

valid

0

4.0

ns

ARE

 

12

td(CKO1H-EDV)

Delay time, CLKOUT1 high to EDx valid

 

4.0

ns

13

td(CKO1H-EDIV)

Delay time, CLKOUT1 high to EDx invalid

0

 

ns

14

td(CKO1H-AWEV)

Delay time, CLKOUT1 high to

 

 

 

 

 

 

valid

0

4.0

ns

AWE

³ The minimum delay is also the minimum output hold after CLKOUT1 high.

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Texas Instruments TMS320C6202 specifications Asynchronous Memory Timing, Awe