參數(shù)資料
型號： TMS320LC2402AVFS
廠商： Texas Instruments, Inc.
元件分類： 數(shù)字信號處理
英文描述： DSP CONTROLLERS
中文描述： DSP控制器
文件頁數(shù)： 81/134頁
文件大?。?/td> 1759K
代理商： TMS320LC2402AVFS
TMS320LF2407A, TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145K
JULY 2000
REVISED AUGUST 2005
81
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
RS timing
timing requirements for a reset [H = 0.5t
c(CO)
] (see Figure 27 and Figure 28)
MIN
NOM
MAX
UNIT
t
w(RSL)
Pulse duration, stable CLKIN to RS high
8t
c(CI)
cycles
t
w(RSL2)
Pulse duration, RS low
8t
c(CI)
cycles
t
p
t
d(EX)
PLL lock-up time
4096t
c(CI)
cycles
Delay time, reset vector executed after PLL lock time
36H
ns
During power-on reset, the device can continue to hold the RS pin low for another 128 CLKIN cycles.
XTAL1
(See Note B)
Address/
Data/
Control
CLKOUT
RS
tw(RSL)
tp
td(EX)
V
DD
/V
DDO
CLKIN
BOOT_EN/XF
t
OSCST
(See Note C)
BOOT_EN
I/Os
XF
Code-Dependent
Address/Data/Control Valid
Hi-Z (See Note D)
NOTES: A. Be certain that the emulation logic is reset before de-asserting the device reset. That is, TRST of the device is not driven high before
the device reset is de-asserted. This is applicable to XDS510
, XDS510PP
, and XDS510PP+
class of emulators. New
generation emulators such as SPI515
and XDS510 USB
emulators have built-in protection mechanism to take care of this
requirement.
B. XTAL1 refers to the internal oscillator clock if on-chip oscillator is used.
C. t
OSCST
is the oscillator start-up time, which is dependent on crystal/resonator and board design.
D. All I/Os contain a clamp to V
DD
. Inputs of approximately 0.7 V above V
DD
will cause the I/O to sink current. I/Os containing pullups
or pulldowns will always sink/source a small amount of current once powered.
Figure 27. Power-on Reset (See Note A)
XDS510PP+, SP515, and XDS510 USB are trademarks of Spectrum Digital.
XDS510 and XDS510PP, are trademarks of Texas Instruments.
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