參數資料
型號: TMX320DM647ZUT720
廠商: Texas Instruments, Inc.
英文描述: Digital Media Processor
中文描述: 數字媒體處理器
文件頁數: 141/166頁
文件大?。?/td> 1341K
代理商: TMX320DM647ZUT720
www.ti.com
P
TMS320DM647/TMS320DM648
Digital Media Processor
SPRS372–MAY 2007
Table 6-62. Switching Characteristics Over Recommended Operating Conditions for McASP
(see
Figure 6-40
and
Figure 6-41
)
(1)
-720
-900
NO.
PARAMETER
UNIT
MIN
MAX
9
10
11
12
t
c(AHCKRX)
t
w(AHCKRX)
t
c(CKRX)
t
w(CKRX)
Cycle time, AHCLKR/X
Pulse duration, AHCLKR/X high or low
Cycle time, ACLKR/X
Pulse duration, ACLKR/X high or low
20
10
33
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ACLKR/X int
ACLKR/X int
ACLKR/X int
ACLKR/X ext
ACLKX int
ACLKX ext
ACLKR/X int
ACLKR/X ext
16.5
5
5
13
t
d(CKRX-FRX)
Delay time, ACLKR/X transmit edge to AFSX/R output valid
10
10
10
10
14
t
d(CKX-AXRV)
Delay time, ACLKX transmit edge to AXR output valid
Disable time, AXR high impedance following last data bit from
ACLKR/X transmit edge
15
t
dis(CKRX-AXRHZ)
(1)
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
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