參數(shù)資料
型號(hào): ADSP-2189NBSTZ-320
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Ind
中文描述: 24-BIT, 40 MHz, OTHER DSP, PQFP100
封裝: LEAD FREE, MS-026BED, LQFP-100
文件頁(yè)數(shù): 21/48頁(yè)
文件大?。?/td> 2334K
代理商: ADSP-2189NBSTZ-320
Rev. A
|
Page 28 of 48
|
August 2006
ADSP-218xN
Clock Signals and Reset
Table 15. Clock Signals and Reset
Parameter
Min
Max
Unit
Timing Requirements:
tCKI
CLKIN Period
25
40
ns
tCKIL
CLKIN Width Low
8
ns
tCKIH
CLKIN Width High
8
ns
Switching Characteristics:
tCKL
CLKOUT Width Low
0.5tCK – 3
ns
tCKH
CLKOUT Width High
0.5tCK – 3
ns
tCKOH
CLKIN High to CLKOUT High
0
8
ns
Control Signals Timing Requirements:
tRSP
RESET Width Low
5tCK
1
ns
tMS
Mode Setup before RESET High
7
ns
tMH
Mode Hold after RESET High
5
ns
1 Applies after power-up sequence is complete. Internal phase lock loop requires no more than 2000 CLKIN cycles, assuming stable CLKIN (not including crystal oscillator
start-up time).
Figure 26. Clock Signals and Reset
tCKOH
tCKI
tCKIH
tCKIL
tCKH
tCKL
tMH
tMS
CLKIN
CLKOUT
MODE A D
RESET
tRSP
相關(guān)PDF資料
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ADSP-2189NKCAZ-320 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: CHIP SCALE BGA; No of Pins: 144; Temperature Range: Comm.
ADSP-2189NKSTZ-320 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Comm.
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