參數(shù)資料
型號: ADSP-2187NBCA-320
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: DSP Microcomputer
中文描述: 24-BIT, 40 MHz, OTHER DSP, PBGA144
封裝: MO-205AC, BGA-144
文件頁數(shù): 27/48頁
文件大小: 1571K
代理商: ADSP-2187NBCA-320
–27–
REV. 0
ADSP-218xN Series
Clock Signals and Reset
Table 15. Clock Signals and Reset
Parameter
Timing Requirements:
t
CKI
t
CKIL
t
CKIH
Switching Characteristics:
t
CKL
t
CKH
t
CKOH
Control Signals Timing Requirements:
t
RSP
RESET Width Low
t
MS
Mode Setup before RESET High
t
MH
Mode Hold after RESET High
Min
Max
Unit
CLKIN Period
CLKIN Width Low
CLKIN Width High
25
8
8
40
ns
ns
ns
CLKOUT Width Low
CLKOUT Width High
CLKIN High to CLKOUT High
0.5t
CK
– 3
0.5t
CK
– 3
0
ns
ns
ns
8
5t
CK
1
7
5
ns
ns
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 24. Clock Signals and Reset
t
CKOH
t
CKH
t
CKI
t
CKIH
t
CKIL
t
CKL
t
MH
t
MS
CLKIN
CLKOUT
MODE A D
RESET
t
RSP
相關(guān)PDF資料
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ADSP-2187NBST-320 RESISTOR, FILM, CHIP (CHIP SIZE: 0805)
ADSP-2187NKCA-320 DSP Microcomputer
ADSP-2187NKST-320 DSP Microcomputer
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