參數(shù)資料
型號： TMX320DM647ZUT720
廠商： Texas Instruments, Inc.
英文描述： Digital Media Processor
中文描述： 數(shù)字媒體處理器
文件頁數(shù)： 87/166頁
文件大小： 1341K
代理商： TMX320DM647ZUT720
www.ti.com
P
TMS320DM647/TMS320DM648
Digital Media Processor
SPRS372–MAY 2007
Table 6-23. Timing Requirements for Reset (see
Figure 6-10
and
Figure 6-11
) (continued)
-720
-900
NO.
UNIT
MIN
MAX
Setup time, boot mode and configuration pins valid before POR high or
RESET high
(4)
Hold time, boot mode and configuration pins valid after POR high or
RESET high
(4)
7
t
su(boot)
ns
8
t
h(boot)
ns
(4)
AEA[22:11], and UHPIEN are the boot configuration pins during device reset.
Table 6-24. Switching Characteristics Over Recommended Operating Conditions During Reset
(1)
(see
Figure 6-11
)
-720
-900
NO.
PARAMETER
UNIT
MIN
MAX
9
t
d(PORH-RSTATH)
Delay time, POR high AND RESET high to RESETSTAT high
ns
For
Figure 6-10
, note the following:
Z group consists of: all I/O/Z and O/Z pins, except for Low and High group pins. Pins become high
impedance as soon as their respective power supply has reached normal operating conditions. Pins
remain in high impedance until configured otherwise by their respective peripherals.
Low group consists of: Pins become low as soon as their respective power supply has reached normal
operating conditions. Pins remain low until configured otherwise by their respective peripheral.
High group consists of: . Pins become high as soon as their respective power supply has reached
normal operating conditions. Pins remain high until configured otherwise by their respective peripheral.
All peripherals must be enable through software following a power-on reset; for more details, see
Section 6.7.1
,
Power-on Reset
.
For power-supply sequence requirements, see
Section 6.3.1
.
C = 1/CLKIN1 clock frequency in ns.
(1)
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Peripheral Information and Electrical Specifications
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