Adv ance informa tion – Texas Instruments TMS320C6202 User Manual
Page 69
TMS320C6202
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS072B – AUGUST 1998 – REVISED AUGUST 1999
69
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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