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TMS320C6202
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS072B – AUGUST 1998 – REVISED AUGUST 1999
31
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443
INPUT AND OUTPUT CLOCKS (CONTINUED)
switching characteristics for CLKOUT1
†‡
(see Figure 10)
NO.
PARAMETER
’C6202-200
’C6202-233
’C6202-250
UNIT
NO
.
PARAMETER
CLKMODE = x4 CLKMODE = x1
UNIT
MIN MAX MIN MAX
1 t
c(CKO1)
Cycle time, CLKOUT1 P – 0.7 P + 0.7 P – 0.7 P + 0.7 ns
2 t
w(CKO1H)
Pulse duration, CLKOUT1 high (P/2) – 0.5 (P/2 ) + 0.5 PH – 0.5 PH + 0.5 ns
3 t
w(CKO1L)
Pulse duration, CLKOUT1 low (P/2) – 0.5 (P/2 ) + 0.5 PL – 0.5 PL + 0.5 ns
4 t
t(CKO1)
Transition time, CLKOUT1 0.6 0.6 ns
†
PH is the high period of CLKIN in ns and PL is the low period of CLKIN in ns.
‡
P = 1/CPU clock frequency in nanoseconds (ns).
CLKOUT1
1
3
4
4
2
Figure 10. CLKOUT1 Timings
switching characteristics for CLKOUT2
‡
(see Figure 11)
NO. PARAMETER
’C6202-200
’C6202-233
’C6202-250
UNIT
MIN MAX
1 t
c(CKO2)
Cycle time, CLKOUT2 2P – 0.7 2P + 0.7 ns
2 t
w(CKO2H)
Pulse duration, CLKOUT2 high P – 0.7 P + 0.7 ns
3 t
w(CKO2L)
Pulse duration, CLKOUT2 low P – 0.7 P + 0.7 ns
4 t
t(CKO2)
Transition time, CLKOUT2 0.6 ns
‡
P = 1/CPU clock frequency in nanoseconds (ns).
CLKOUT2
1
2
3
4
4
Figure 11. CLKOUT2 Timings
ADVANCE INFORMATION