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Adv ance informa tion – Texas Instruments TMS320C6202 User Manual

Page 69

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TMS320C6202

FIXED-POINT DIGITAL SIGNAL PROCESSOR

SPRS072B – AUGUST 1998 – REVISED AUGUST 1999

69

POST OFFICE BOX 1443

HOUSTON, TEXAS 77251–1443

DMAC, TIMER, POWER-DOWN TIMING

switching characteristics for DMAC outputs

(see Figure 46)

NO.

PARAMETER

’C6202-200
’C6202-233
’C6202-250

UNIT

MIN

MAX

1

tw(DMACH)

Pulse duration, DMAC high

2P – 3

ns

† P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

DMAC[3:0]

1

Figure 46. DMAC Timing

timing requirements for timer inputs

(see Figure 47)

NO.

’C6202-200
’C6202-233
’C6202-250

UNIT

MIN

MAX

1

tw(TINPH)

Pulse duration, TINP high

2P

ns

2

tw(TINPL)

Pulse duration, TINP low

2P

ns

† P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

switching characteristics for timer outputs

(see Figure 47)

NO.

PARAMETER

’C6202-200
’C6202-233
’C6202-250

UNIT

MIN

MAX

3

tw(TOUTH)

Pulse duration, TOUT high

2P – 3

ns

4

tw(TOUTL)

Pulse duration, TOUT low

2P – 3

ns

† P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

TINPx

TOUTx

4

3

2

1

Figure 47. Timer Timing

ADV

ANCE INFORMA

TION