參數(shù)資料
型號(hào): ADSP-2185NBCA-320
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: LM2941/LM2941C 1A Low Dropout Adjustable Regulator; Package: TO-263; No of Pins: 5; Qty per Container: 45; Container: Rail
中文描述: 24-BIT, 40 MHz, OTHER DSP, PBGA144
封裝: MO-205AC, BGA-144
文件頁(yè)數(shù): 13/31頁(yè)
文件大?。?/td> 223K
代理商: ADSP-2185NBCA-320
ADSP-2185L
–13–
REV. A
Restriction:
All memory strobe signals on the ADSP-2185L
(
RD
,
WR
,
PMS
,
DMS
,
BMS
,
CMS
and
IOMS
) used in your
target system must have 10 k
pull-up resistors connected when
the EZ-ICE is being used. The pull-up resistors are necessary
because there are no internal pull-ups to guarantee their state
during prolonged three-state conditions resulting from typical
EZ-ICE debugging sessions. These resistors may be removed at
your option when the EZ-ICE is not being used.
Target System Interface Signals
When the EZ-ICE
board is installed, the performance on some
system signals changes. Design your system to be compatible
with the following system interface signal changes introduced by
the EZ-ICE
board:
EZ-ICE
emulation introduces an 8 ns propagation delay be-
tween your target circuitry and the DSP on the
RESET
signal.
EZ-ICE
emulation introduces an 8 ns propagation delay be-
tween your target circuitry and the DSP on the
BR
signal.
EZ-ICE
emulation ignores
RESET
and
BR
when single-
stepping.
EZ-ICE
emulation ignores
RESET
and
BR
when in Emulator
Space (DSP halted).
EZ-ICE
emulation ignores the state of target
BR
in certain
modes. As a result, the target system may take control of the
DSP’s external memory bus
only
if bus grant (
BG
) is asserted
by the EZ-ICE
board’s DSP.
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