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| TMS320DM6433_17 Datasheet, PDF (233/271 Pages) Texas Instruments – Digital Media Processor | |||
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www.ti.com
TMS320DM6433
Digital Media Processor
SPRS343C â NOVEMBER 2006 â REVISED JUNE 2008
Table 6-64. Switching Characteristics Over Recommended Operating Conditions for McASP(1)(2)
(see Figure 6-37 and Figure 6-38)(3)
-7/-6/-5/-4
NO.
PARAMETER
-L/-Q6/-Q5/-Q4
MIN
MAX
9 tc(AHCKRX)
10 tw(AHCKRX)
11 tc(CKRX)
Cycle time, AHCLKR/X
Pulse duration, AHCLKR/X high or low
Cycle time, ACLKR/X
ACLKR/X
int
25
AH - 2.5
25
12 tw(CKRX)
Pulse duration, ACLKR/X high or low
ACLKR/X
int
A - 2.5
ACLKR/X
int
-2.25 5.5
13 td(CKRX-FRX)
Delay time, ACLKR/X transmit edge to AFSX/R output valid
ACLKR/X
ext input
0 12.5
ACLKR/X
ext output
0 14
ACLKX int
-2.25 5.5
14 td(CKX-AXRV)
Delay time, ACLKX transmit edge to AXR output valid
ACLKX
ext input
ACLKX
ext output
0 12.5
0 14
15 tdis(CKRX-AXRHZ)
Disable time, AXR high impedance following last data bit from
ACLKR/X transmit edge
ACLKR/X
int
ACLKR/X
ext
-4.5
8
-4.5 12.5
(1) A = (ACLKR/X period)/2 in ns. For example, when ACLKR/X period is 25 ns, use A = 12.5 ns.
(2) AH = (AHCLKR/X period)/2 in ns. For example, when AHCLKR/X period is 25 ns, use AH = 12.5 ns.
(3) ACLKX internal: ACLKXCTL.CLKXM=1, PDIR.ACLKX = 1
ACLKX external input: ACLKXCTL.CLKXM=0, PDIR.ACLKX=0
ACLKX external output: ACLKXCTL.CLKXM=0, PDIR.ACLKX=1
ACLKR internal: ACLKRCTL.CLKRM=1, PDIR.ACLKR = 1
ACLKR external input: ACLKRCTL.CLKRM=0, PDIR.ACLKR=0
ACLKR external output: ACLKRCTL.CLKRM=0, PDIR.ACLKR=1
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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Peripheral Information and Electrical Specifications 233
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